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Tytuł:
A study on the lip print pattern of Naga tribes
Autorzy:
Kiewhuo, Magdalene
Nandakumar, R.
Powiązania:
https://bibliotekanauki.pl/articles/1031852.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Cheiloscopy
Lip prints
Nagas
identification
Opis:
Cheiloscopy is a forensic investigation technique that deals with the identification based on lip traces. Based upon the research, it was established that the arrangement of lines on the red part of human lips is unique for each human being. The present study is an attempt to determine the pattern of lip prints and evaluate its uniqueness in a sample of Naga population and also their association with print in the four quadrants of the lip. A total of 100 (15-40) years individuals were randomly selected. With the help of brush a layer of lipstick was applied on the lips of the subject. Following the basis of Tsuchihashi’s classification the lip prints collected were studied. It was found that Type I’ pattern was predominant among the studied subjects followed by Type I and Type III pattern while Type V pattern was the least frequent Lip pattern distribution in (all four quadrants) in both males and females of Nagas. It is found that no two or more persons had similar features of lip grooves. The frequency of repetition of the lip print pattern in successive quadrant is found to be high. Lip print pattern can be used as an additional tool for personal identification.
Źródło:
World News of Natural Sciences; 2020, 30, 2; 117-124
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Prevalence of Cleft Lip and/or Palate in Children from Łódź in Years 2001-2010
Autorzy:
Antoszewski, Bogusław
Fijałkowska, Marta
Powiązania:
https://bibliotekanauki.pl/articles/1396265.pdf
Data publikacji:
2013-06-01
Wydawca:
Index Copernicus International
Tematy:
cleft lip
cleft palate
incidence
Opis:
One of the most frequent congenital malformations is cleft lip and/or palate. The above-mentioned defect is a serious medical and social problem, and knowledge concerning its incidence pictures the scale of this phenomenon. The aim of the study was to determine the prevalence of cleft lip and/or palate in children in Łódź during the period between 2001 and 2010. Material and methods. We were able to obtain data from The Polish Registry of Congenital Malformations concerning the number of live born infants, and birth of children with cleft malformations in Łódź during the period between 2001 and 2010. Results. The mean incidence of cleft malformations amounted to 1.16/1000 live born infants in Łódź during the period between 2001 and 2010. Conclusions. During the period between 2001 and 2010, a significant decrease in the prevalence of cleft lip and/or palate was observed in Łódź. The most common type of defect was isolated cleft palate, while the most rare - cleft lip. Considering boys the most frequent defect was cleft lip and palate, while in girls - isolated cleft palate. Attention should be drawn to the fact of the decreased number of deliveries in Łódź, observed in the past decade
Źródło:
Polish Journal of Surgery; 2013, 85, 6; 329-332
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morbidity trend of lip cancer in Podkarpacie and in Poland in the years 1963–2013
Autorzy:
Gawełko, Jan
Cierpiał-Wolan, Marek
Podgórska-Bednarz, Justyna
Kawecki, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/455003.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
lip cancer
incidence
morbidity trend
Opis:
Introduction. The dramatic decline in the incidence of lip cancer, which until the 80s of the twentieth century was the cause of significant morbidity, is an example of changes in the structure and trends of cancer incidence both in Poland and in the regions. Aim. Therefore, the aim of this paper is to analyze the changes in the morbidity trend of the lip cancer during the last 50 years, both in Poland and in Podkarpacie. Material and methods. A retrospective analysis of the lip cancer morbidity in the Podkarpackie region and in Poland in the years 1963–2013 was carried out based on data from the literature and our own research. Results and conclusion. A steady decline in the incidence of lip cancer in Podkarpacie has been observed since 1982 for men and 1983 for women. In Poland these trends have been observed since 1972 for men and 1993 for women. In the analyzed period significant changes in the incidence structure in terms of sex are observed – from approximately 1:10 (women / men) in 1963 similarly in Podkarpackie and Poland – to 1:4.6 in Podkarpacie and 1: 2.6 in Poland in 2013.
Źródło:
European Journal of Clinical and Experimental Medicine; 2017, 1; 32-38
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The clinical and epidemiological analysis of lip carcinoma in Holy Cross District in Poland
Autorzy:
Sylwia, Postuła
Bień, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/1401759.pdf
Data publikacji:
2016
Wydawca:
Index Copernicus International
Tematy:
lip carcinoma
epidemiology
clinical characteristics
Opis:
Objective: Lip carcinoma, as classified according to TNM system, is one of localizations of oral carcinoma. However it differs in numerous factors from other head and neck cancer. Material: 342 patients with diagnosed lip carcinoma, collected from 2001 to 2012, who in majority came from one of Poland’s region – Holy Cross District. Among them 312 were treated primarily with surgery or with surgery + Rtg. Therapy. Methods:In retrospective survey the factors of age, sex and localization of lip carcinoma were taken into analysis. Apart of that in the subgroup who underwent surgery, the local and clinical staging, histopathology and selected patho-morphological factors were also presented. Results: In the analyzed group (n=342) the sex ratio was 6 : 1 in favor of men, with average age of 69,5 years, and the most common location (93,4%) of tumor was the lower lip. The majority of treated patients (n=312) have started therapy at the lover (T1+T2) local stage (93,9%), and in 97,4% squamous cell carcinoma was finally diagnosed. Discussion: Clinico-epidemiological characteristics of presented material is similar to data found in the literature. It must be stressed out that presented results might be comparable only with the data where TNM criteria of the lip are followed.
Źródło:
Polski Przegląd Otorynolaryngologiczny; 2016, 5, 1; 47-53
2084-5308
2300-7338
Pojawia się w:
Polski Przegląd Otorynolaryngologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution of lip and/or palate clefts types among children form Lodz during years 1981-2015
Autorzy:
Antoszewski, Bogusław
Fijałkowska, Marta
Powiązania:
https://bibliotekanauki.pl/articles/1392644.pdf
Data publikacji:
2018
Wydawca:
Index Copernicus International
Tematy:
cleft
lip
palate
type of anomaly
Opis:
Introduction: Cleft lip and/or palate are the most common face malformations. The clinical picture of these anomalies is very variable. Cleft can include only the lip and/or alveolus, palate or all of these structures can be clefted. Aim: The aim of this paper is to present all particular types of clefts, their relationship to gender and body side in the group of children born in Lodz during the years 1981-2015. Material and method: The study group included 434 patients with facial clefts (218 males and 216 females) in the age between 4 weeks to 18 years who were born in Lodz during years 1981-2015. Results: In the analyzed group, there were 181 palate clefts (41.7%), 156 lip and palate clefts (36%) and 97 lip clefts (22.3%). A detailed analysis of clefts types showed that isolated palate clefts are definitely more frequent in females than males (112 vs. 69), while lip and palate clefts in boys than girls (96 vs. 60), furthermore left-sided clefts are more common than right-sided. Conclusions: During 35 years, the most common type of anomaly in children born in Lodz were palate clefts, followed by lip and palate clefts and the less frequent lip clefts. Palate clefts are more common in girls, while lip and palate clefts in boys. Left-sided clefts are two times more common than right-sided clefts.
Źródło:
Polish Journal of Surgery; 2018, 90, 3; 1-6
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Próby klasyfikacji wzorów linii czerwieni wargowej
An attempt to classify the patterns of vermillion border lines
Autorzy:
Jurczyk- Romanowska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/460415.pdf
Data publikacji:
2011
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
cheiloskopia
czerwień wargowa
ślady ust
registratura cheiloskopijna
klasyfikacja wzorów czerwieni wargowej
Lip print identification
vermillion border
lip print
lip prints database
classification of vermillion border patterns
Opis:
Prezentowany artykuł opisuje próby klasyfikacji wzorów czerwieni wargowej, których celem było stworzenie możliwej do wykorzystania w praktyce registratury cheiloskopijnej. Zarówno przełomowe badania japońskie, jak i następujące po nich brazylijskie, francuskie czy czeskie, mimo wysokiego stopnia dokładności w kwalifikowaniu poszczególnych wzorów – nie przyniosły oczekiwanego rezultatu. Dopiero klasyfikacja polska, przedstawiona przez J. Kasprzaka, który zrezygnował z opisu wszystkich wzorów występujących na czerwieni wargowej człowieka na rzecz precyzyjnego określenia ilościowej przewagi cech na środkowym fragmencie wargi dolnej okazała się możliwa w zastosowaniu. W wyniku przeprowadzonej przez autorkę analizy akt spraw okazuje się, iż jest to jedyna kasyfikacja możliwa do wykorzystania w praktyce, zatem może stać się podstawą do stworzenia skomputeryzowanej registratury cheiloskopijnej.
The presented article describes the attempts to classify patterns of vermillion border, the aim of which was to create usable lip prints database. Revolutionary Japanese research, as well as succeeding Brazilian, French or Czech investigations on the discussed topic, in spite of high accuracy level in classifying particular types of patterns did not bring the desired result. However, Polish classification proposed by J. Kasprzak who resigned to describe all of human vermillion border patterns in order to precisely define quantitative predominance of features in the middle fragment of lower lip appeared to be applicable. In fact, after analysis of cases data conducted by the author of the article it turns out that Kasprzak’s classification is the only one that can be applied in practice. Therefore, it may become a basis to create computerized lip print database.
Źródło:
Ogrody Nauk i Sztuk; 2011, 1
2084-1426
Pojawia się w:
Ogrody Nauk i Sztuk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of reliability of perioral muscle pressure measurements using a newly developed device with a lip piece
Autorzy:
Takahashi, M.
Koide, K.
Suzuki, H.
Satoh, Y.
Iwasaki, S.-I.
Powiązania:
https://bibliotekanauki.pl/articles/306575.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
nacisk
wiarygodność
mięśnie
jama ustna
tongue pressure
upper lip pressure
lower lip pressure
absolute reliability
relative reliabilit
Opis:
Purpose: We examined the reliability of measurements using a newly developed perioral muscle pressure measuring device with a lip piece in healthy adults. Methods: Subjects were 40 healthy men (25.8 years) with normal stomatognathic function. Perioral muscle pressure measuring device with a lip piece was used to measure upper lip, lower lip and tongue pressure, and a balloon-based measurement device was used to measure tongue and cheek pressure. Each measurement was taken twice with a 1-min interval between the two measurements. We determined intra-rater reliability by using the intra-class correlation coefficient as a test of relative reliability. As a test of absolute reliability, Bland–Altman analysis was used to assess systematic bias and the 95% confidence interval of the minimal detectable change was calculated. Additionally, the coefficient of variation was calculated. The Spearman–Brown formula was calculated the number of measurements needed to achieve a confidence coefficient ≥0.9. Each set of measurements was followed by a second set that were taken 1 week later. Results: All measurements showed high values of intra-class correlation coefficient. Upper lip, tongue, and cheek pressure can be determined based on a single measurement, while lower lip pressure requires averaging twice. No systematic bias was observed. The coefficients of variation of measurements were almost the same between the two devices. Conclusion: Measurements were highly reliable regardless of the type of perioral muscles. Our findings suggest that the method described in this study is useful as a quantitative chair side method for examining perioral muscle pressure.
Źródło:
Acta of Bioengineering and Biomechanics; 2016, 18, 1; 145-153
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lip traces recognition based on lines pattern
Autorzy:
Smacki, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/333930.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
ślad warg
wydruk wargi
cheiloskopia
identyfikacja kryminalna
rejestracja obrazu
lip trace
lip print
heiloscopy
criminal identification
image recognition
Opis:
This paper presents a method for automatic lip traces recognition based on lip furrows arrangement. First, lip trace is scanned and subjected to image processing and feature extraction. Then, identification is performed by comparing lip trace characteristics with a collection of comparative lip prints characteristics stored in a database. The proposed solution gives a satisfactory level of identification accuracy. After further improvement, it can be used as part of a system performing analysis of traces recovered from crime scenes.
Źródło:
Journal of Medical Informatics & Technologies; 2010, 15; 53-60
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mucocele – A benign lesion of accessory salivary gland
Autorzy:
Chengappa, Dewan
Vijayendranath, Nayak S.
Raghavendra, Kini
Prasanna, Kumar Rao J.
Boricha, Vishal Kumar
Manjunath, Rai
Powiązania:
https://bibliotekanauki.pl/articles/1157168.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Diagnosis
excision
lower lip
minor salivary glands
mucocele
Opis:
Mucoceles are the most common soft tissue lesions seen in the oral cavity. They usually occur due to injury to the minor salivary glands. Spontaneous regression of mucocele can happen if its superficial or else surgical excision is recommended. Herein we report a case of oral mucocele of lower labial mucosa.
Źródło:
World Scientific News; 2018, 94, 2; 305-307
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Presurgical techniques for the treatment of cleft lip and palate in infants – a review of the literature
Autorzy:
Górska, Joanna
Kalinowska, Jolanta
Racka-Pilszak, Bogna
Powiązania:
https://bibliotekanauki.pl/articles/25721355.pdf
Data publikacji:
2022-07-12
Wydawca:
Gdański Uniwersytet Medyczny
Tematy:
nasoalveolar molding
infant
cleft lip
cleft palate
presurgical orthopaedics
Opis:
Patients with cleft lip and palate require long-term, multistage and multidisciplinary treatment whose first step is presurgical orthopaedic treatment (PSO). The reconstruction of the lip, alveolar process and nose in these patients are major plastic surgery challenges. Various presurgical procedures are undertaken to achieve optimal surgical outcomes. The aim of this article is to present selected techniques for the presurgical cleft lip and palate treatment in infants and critically evaluate the benefits, limitations and drawbacks of the methods used. The research was based on the literature review using keywords: presurgical treatment of cleft lip and palate in infants, presurgical orthopaedics in the treatment of cleft lip and palate in infants in PubMed, Google Scholar databases, and publications in orthodontics and infant orthopaedics out of these databases. PSO is a minimally invasive therapy performed between birth and first surgery. Anatomical and functional cleft palate disorders constitute indications for PSO. There are positive reports on PSO techniques and some of them can be implemented by the child’s caregivers at home. The authors of studies disagree on the PSO effectiveness. The lack of long-term research results, high costs of therapy and few therapy centres negatively influence the decision to undertake the therapy.
Źródło:
European Journal of Translational and Clinical Medicine; 2022, 5, 2; 67-74
2657-3148
2657-3156
Pojawia się w:
European Journal of Translational and Clinical Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Treatment results of lip carcinoma in Holy Cross District in Poland and treatment failures analysis
Autorzy:
Postuła, Sylwia
Okła, Sławomir
Bień, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/1401685.pdf
Data publikacji:
2016
Wydawca:
Index Copernicus International
Tematy:
lip carcinoma
treatment results
treatment failures
second primary cancer
Opis:
Objective: The assessment of cancer surgical treatment results, measured with oncological standards, linked with oncological treatment failures analysis, including also the occurrence of second primary cancer, create the basis for verification of applied treatment strategy. Material: 312 patients with lip carcinoma were treated primarily with surgery or in combination with post-surgical Rtg-therapy. Depending on local staging, in the most of cases the “V” or “W” resection with or without the vermilionectomy was performed. When resection required the reconstruction of lip defect, the Bernard-Burov method was the most commonly used. In cases where the regional I + II + III lymph node resection was performed it was followed by Rtg-therapy. Methods: Using the Kaplan-Meier method, the calculation of overall survival (OS), disease free survival (DFS) and disease specific survival (DSS) was done. The descriptive characteristic of oncologic treatment failures, including occurrence of second primary cancer was also presented.Results: The results of 3-years and 5-years overall, disease free and disease specific survivals have located within the limits presented in literature, what may be recognized as a support of applied treatment policy. In oncological treatment failures which have been recorded in 20,2%, the metastases to regional lymph nodes have dominated. In 76,2% treatment failures were observed in the first 3 years of follow up.
Źródło:
Polski Przegląd Otorynolaryngologiczny; 2016, 5, 3; 7-14
2084-5308
2300-7338
Pojawia się w:
Polski Przegląd Otorynolaryngologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of the use of coupled hidden Markov models for audio-visual Polish speech recognition
Autorzy:
Kubanek, M.
Bobulski, J.
Adrjanowicz, L.
Powiązania:
https://bibliotekanauki.pl/articles/201266.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
coupled hidden Markov models
audiovisual speech recognition
lip reading
Opis:
This paper focuses on combining audio-visual signals for Polish speech recognition in conditions of the highly disturbed audio speech signal. Recognition of audio-visual speech was based on combined hidden Markov models (CHMM). The described methods were developed for a single isolated command, nevertheless their effectiveness indicated that they would also work similarly in continuous audiovisual speech recognition. The problem of a visual speech analysis is very difficult and computationally demanding, mostly because of an extreme amount of data that needs to be processed. Therefore, the method of audio-video speech recognition is used only while the audiospeech signal is exposed to a considerable level of distortion. There are proposed the authors’ own methods of the lip edges detection and a visual characteristic extraction in this paper. Moreover, the method of fusing speech characteristics for an audio-video signal was proposed and tested. A significant increase of recognition effectiveness and processing speed were noted during tests – for properly selected CHMM parameters and an adequate codebook size, besides the use of the appropriate fusion of audio-visual characteristics. The experimental results were very promising and close to those achieved by leading scientists in the field of audio-visual speech recognition.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 2; 307-316
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dental abnormalities in children with cleft lip with or without cleft palate
Autorzy:
Lasota, A.
Powiązania:
https://bibliotekanauki.pl/articles/2098234.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
dental abnormality
cleft lip
cleft palate
supernumerary tooth
hypodontia
child
Opis:
Introduction. Cleft lip with or without cleft palate (CLP) is associated with hypodontia, supernumerary teeth, dysmorphology of the crown or root shape, teeth impaction and malposition. The prevalence of anomalies is higher than in general population. Objective. The aim of the review is description of dental anomalies affecting children with cleft lip or without cleft palate. Abbreviated description of the state of knowledge. The most common anomaly is teeth agenesis with prevalence of 28% – 66% of patients with CLP. Permanent dentition is more often affected (52.7%) than primary (16.2%), the cleft-side lateral incisor is most often missing. Hypodontia increases with severity of the cleft. Supernumeraries were found in 17.7% of the subjects with cleft lip and/or palate for primary maxillary dentition, and in 5.7% for permanent maxillary dentition. Supernumerary teeth are mostly maxillary laterals, both inside and outside the cleft, and have different variations in morphology and size. The anterior maxilla is a main area for supernumeraries occurrence. Lateral incisor in the cleft area is often peg-shaped, its microdontia was revealed in 5.6%; they can also have enamel hypoplasia – 8.9% of cases. Macrodontia was found in 12.5% and taurodontism in 15.2%. Canine impaction prevalence is different in studies from various cleft centres and ranged from 0% – 58%. Rotations of central incisors was found in the area of cleft in 86.7%. Transposition of maxillary canine and first premolars was found in 5.5% of bilateral, 8% of right, and 3.3% of left unilateral clefts in the study. Summary. Multiple teeth anomalies affect the population of children with cleft lip with or without palate. The most common problem is hypodontia. Treatment process of these patients demands experienced specialists in different fields of dentistry and complex, rigorous dental care.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2021, 15, 1; 46-49
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Personal identity verification method based on lips photographs
Autorzy:
Wrobel, K.
Doroz, R.
Porwik, P.
Naruniec, J.
Kowalski, M.
Powiązania:
https://bibliotekanauki.pl/articles/333548.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
biometrics
lip features
data classification
biometria
cechy wargi
klasyfikacja danych
Opis:
The paper presents a personal identification method based on lips photographs. This method uses a new approach to the extraction and classification of characteristic features of the mouth from photographs. It eliminates the drawbacks that occur during the acquisition of lip print images with the use of the forensic method that requires special tools. Geometrical dimensions of the entire mouth as well as of the upper and lower lips were adopted as the features, on the basis of which the verification is performed. An ensemble classifier was used for the classification of the features obtained. The effectiveness of the classifier has been verified experimentally.
Źródło:
Journal of Medical Informatics & Technologies; 2015, 24; 59-65
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Acoustic Study of the Emphatic Occlusive [ṭ] in School-Going Children with Cleft Palate or Cleft Lip
Autorzy:
Baazi, Khaled
Guerti, Mhania
Powiązania:
https://bibliotekanauki.pl/articles/2141635.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cleft palate
cleft lip and cleft palate
acoustic analysis
school children
Opis:
The aim of this acoustic study is to analyse the phoneme [ṭ] produced by school children surgically operated on for the cleft palate or cleft lip, in order to examine their vocal characteristics, to provide speech therapists with numerous concrete analyses of voice and speech, to effectively support them and to prevent some serious outcomes on their psychological and academic development. The motivation for this study was mainly stemming from the difficulties that Algerian schoolchildren with clefts encounter in the pronunciation of this phoneme. To carry out the study, several acoustic parameters were investigated in terms of the fundamental frequency F0, the first three formants F1, F2, and F3, the energy E0, the Voice Onset Time (VOT), the durations [CV] and [V] of the subsequent vowel [a]. For the analysis, further important parameters in the field of pathological speech were deployed, namely the degree of disturbance of F0 (jitter), the degree of disturbance of intensity (shimmer) and the HNR (Harmonics to Noise Ratio). Results revealed disturbance in the values of F1, F2, and F3 and stability in the values of F0. Another important reported aspect is the increase in the value of the VOT due to the difficulties in controlling the plosives’ successive closure and release.
Źródło:
Archives of Acoustics; 2022, 47, 2; 141-149
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
$B^q$ for parabolic measures
Autorzy:
Sweezy, Caroline
Powiązania:
https://bibliotekanauki.pl/articles/1217889.pdf
Data publikacji:
1998
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
parabolic-type measures
Lip (1,1/2) domain
good-λ inequalities
Opis:
If Ω is a Lip(1,1//2) domain, μ a doubling measure on $∂_{p}Ω, ∂//∂t - L_{i}$, i = 0,1, are two parabolic-type operators with coefficients bounded and measurable, 2 ≤ q < ∞, then the associated measures $ω_{0}$, $ω_{1}$ have the property that $ω_{0} ∈ B^{q}(μ)$ implies $ω_{1}$ is absolutely continuous with respect to $ω_{0}$ whenever a certain Carleson-type condition holds on the difference function of the coefficients of $L_{1}$ and $L_{0}$. Also $ω_{0} ∈ B^{q}(μ) $ implies $ω_{1} ∈ B^{q}(μ)$ whenever both measures are center-doubling measures. This is B. Dahlberg's result for elliptic measures extended to parabolic-type measures on time-varying domains. The method of proof is that of Fefferman, Kenig and Pipher.
Źródło:
Studia Mathematica; 1998, 131, 2; 115-135
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The $L^p$ solvability of the Dirichlet problems for parabolic equations
Autorzy:
Tao, Xiang Xing
Powiązania:
https://bibliotekanauki.pl/articles/1206127.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
parabolic equation
$L^p$ solvability
Dirichlet problems
Lip(1,1/2) cylinder
Opis:
For two general second order parabolic equations in divergence form in Lip(1,1/2) cylinders, we give a criterion for the preservation of $L^p$ solvability of the Dirichlet problems.
Źródło:
Studia Mathematica; 2000, 139, 1; 69-80
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verify the plasma parameters generated from the Tin material using the laser-induced plasma technique
Autorzy:
Ahmed, Baida M.
Aadim, Kadhim A.
Khalaf, Madyan A.
Powiązania:
https://bibliotekanauki.pl/articles/1030607.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Laser-Induced Plasma (LIP)
Nd:YAG laser
Optical Emission Spectroscopic (OES)
Tin (Sn)
Opis:
In this work, A spectroscopic research on laser-produced tin plasma using optical emission spectroscopy (OES) technology is provided. Laser-induced Sn plasma produced at various laser energy has also been defined by visible emission spectroscopy. Plasma is created by a solid tin object radiated by a pulsed laser in a room environment. A Nd:YAG laser pulse 9 ns in duration with wavelength of 1064 nm and a focal length of 10 cm in the range of energy 500-800 mJ is used to generate plasma from a planar Sn sample. The electron temperature (Te) was calculated in ratio line intensities method, while the electron density (ne) was calculated using Saha-Boltzmann equation, also another plasma parameters was calculated such as plasma (fp), Debye length (λD) and Debye number (ND). The increase in electron temperature and density was observed as a function of laser energies. Measurement of the production of the electron temperature in the rang 0.926-0.952 eV, While the electron density is in the rang (1.9×1015-2.5×1015) cm-3.
Źródło:
World Scientific News; 2020, 144; 326-337
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Method for identification of fragments of lip prints images on the basis of the generalized hough transform
Autorzy:
Wrobel, K.
Doroz, R.
Powiązania:
https://bibliotekanauki.pl/articles/333845.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
lip print recognition
Generalized Hough Transform
similarity measure
ozpoznawanie wydruku warg
podobieństwo miary
Opis:
The paper presents a new method for identification of fragments of lip print images on the basis of the Generalized Hough Transform (GHT). The effectiveness of this method was verified in practice. The maximum value obtained from the accumulator array after the Hough transform has been assumed as the measure of similarity between a lip print image and a reference object. The advantage of this method is the possibility of use in forensic science to identify persons who left lip prints at crime scenes.
Źródło:
Journal of Medical Informatics & Technologies; 2013, 22; 189-193
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pulsed laser induced potassium oxide plasma analyzed by optical emission spectrum technique
Autorzy:
Khalaf, Madyan A.
Powiązania:
https://bibliotekanauki.pl/articles/1193329.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Laser - Induced Plasma (LIP)
Nd:YAG laser
Optical Emission Spectroscopic
potassium oxide plasma
Opis:
In this work, a spectroscopic research on laser-produced potassium oxide plasma using optical emission spectroscopy (OES) technology is provided. Laser-induced K2O plasma produced at various laser energy has also been defined by visible emission spectroscopy. Plasma is created by a solid potassium oxide object radiated by a pulsed laser in a room environment. A Nd:YAG laser pulse 9 ns in duration with wavelength of (532) nm and a focal length of (10) cm in the range of energy (300-700) mJ is used to generate plasma from a planar K2O sample. The electron temperature (Te) was calculated in ratio line intensities method, while the electron density (ne) was calculated using Saha-Boltzmann equation, also another plasma parameters was calculated such as plasma (fp), Debye length (λD) and Debye number (ND). The increase in electron temperature and density was observed as a function of laser energies. Measurement of the production of the electron temperature in the rang (0.996-1.202) eV, While the electron density is in the rang (1.8×1016-8.8×1016) cm-3.
Źródło:
World Scientific News; 2021, 153, 2; 192-204
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Opieka nad noworodkiem z rozszczepem wargi i podniebienia
Nursing care of an infant with cleft lip and palate
Autorzy:
Dobrakowska, Sandra
Powiązania:
https://bibliotekanauki.pl/articles/2109203.pdf
Data publikacji:
2021-04-14
Wydawca:
Europejskie Centrum Kształcenia Podyplomowego
Tematy:
rozszczep wargi i podniebienia
wada rozwojowa
leczenie specjalistyczne
cleft lip and palate
developmental defect
specialist treatment
Opis:
Wstęp. Rozszczep wargi i podniebienia to jedna z najczęstszych wad rozwojowych, pojawiająca się na skutek nieprawidłowego rozwoju struktur wchodzących w skład twarzoczaszki. Jest ona przyczyną wielu problemów występujących w okresie niemowlęcym, jak i w całym okresie wzrastania. Konieczne jest wieloetapowe i specjalistyczne leczenie tej wady w celu przywrócenia właściwych warunków anatomicznych i uzyskania estetycznego wyglądu twarzy. Cel pracy. Zwrócenie uwagi na problemy pielęgnacyjne występujące u noworodka z obustronnym rozszczepem wargi i podniebienia oraz zaproponowanie sposobów ich rozwiązania. Materiał i metody. Wykorzystaną metodą badawczą jest studium indywidualnego przypadku noworodka z obustronnym rozszczepem wargi i podniebienia. Zastosowane techniki badawcze to: wywiad, obserwacja i analiza dokumentacji medycznej pacjenta. Wnioski. Rozszczep wargi i podniebienia to wada rozwojowa będąca przyczyną problemów występujących od narodzin, aż do zakończenia okresu wzrastania. Każdy pacjent, w tym również noworodek, bez względu na sytuację kliniczną wymaga indywidualnego i holistycznego podejścia.
Background. Cleft lip and palate is one of the most common malformations resulting from abnormal development of the facial structures of the cranium. It is the cause of many problems occurring in infancy and throughout child’s development period. Therefore, a multistage and specialist treatment is required to restore proper anatomical conditions and obtain an aesthetic appearance of the face. Objectives. The aim of the study is to draw attention to nursing problems that occur during the care of a newborn with bilateral cleft lip and cleft palate, but also to suggest methods to solve these problems. Material and methods. The paper presents an individual case study of a newborn with a bilateral cleft lip and palate. The research techniques are: interview, observation and analysis of the patient’s medical records. Conclusions. A cleft lip and palate is a developmental defect that causes problems from birth until the end of child’s development period. Therefore, each patient, including a newborn baby, requires an individual and holistic approach, regardless of the clinical situation.
Źródło:
Współczesne Pielęgniarstwo i Ochrona Zdrowia; 2021, 10, 1-4; 13-17
2084-4212
Pojawia się w:
Współczesne Pielęgniarstwo i Ochrona Zdrowia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recognition of lip prints using Fuzzy c-Means clustering
Autorzy:
Wrobel, K.
Froelich, W.
Powiązania:
https://bibliotekanauki.pl/articles/333981.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
lip print
image processing
clustering techniques
data classification
grafika wargowa
przetwarzanie obrazu
metody grupowania
klasyfikacja danych
Opis:
In this paper a new method for lip print recognition is proposed. The proposed approach is based on Fuzzy c-Means clustering of the characteristics features of lip prints. First, the Hough transform is applied for the recognition of the characteristic features within lip prints, then Fuzzy c-Means clustering is performed to cluster those features. The proposed algorithm applies the results of clustering to find an unknown image withing the collected repository of lip prints. Instead of comparing all pairs of individual characteristic features, the proposed algorithm uses the representatives of clusters for the comparison of images. The advantage of using the proposed method is its increased tolerance to the noise in data and thus the increased efficiency of the recognition. The effectiveness of presented method has been verified experimentally using real-world images. The results are satisfactory and suggest the possibility of using the method in forensic identification systems
Źródło:
Journal of Medical Informatics & Technologies; 2015, 24; 67-73
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigating the effect of lip froth washing on coal yield during flotation of a high ash South African coal
Autorzy:
du Plessis, Cherryl
Sibanda, Vusumuzi
Dworzanowski, Marek
Danha, Gwiranai
Mamvura, Tirivaviri A.
Powiązania:
https://bibliotekanauki.pl/articles/2146887.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
flotation
mechanical flotation cell
flotation reagents
lip froth washing
coal yield
primary wash cells
secondary wash cells
Opis:
An investigation was conducted to evaluate the effect of lip washing on coal flotation at Anglo American’s Goedehoop South (GHS) fine coal plant in South Africa. In the test-work, performance of cells with lip washing system were compared with baseline cells without lip washing in terms of coal yield and coal quality. Yields observed with lip washing were significantly higher than those of baseline cells. Improvements of up to 15% were recorded. The product obtained at low flotation reagent dosages (1.30–1.45 kg/t) on lip wash cells had ~16.85% ash content against ~17.65% with baseline cells, suggesting that higher yields could be achieved at superior qualities to those achieved with baseline cells. At higher reagent dosages (1.60–1.75 kg/t), coal yields further improved but quality reduced on lip wash cells. Calorific Values (CV) of coal products obtained by lip washing and baseline flotation were similar. When different coal particle size fractions were floated separately, the yield increased as particle size increased from 75 to 300 μm and then decreased from 300 to 500 μm for both baseline and lip washing flotation. Lip washing caused a marked increase in the yield for finer particles (< 300 μm) with optimum size class of between 212 – 300 μm. In addition, a much bigger increase in the yield was achievable with lip washing of lower quality coal. The ash content after lip washing of poor-quality coal were also comparable to the ash content after lip washing of good quality coal.
Źródło:
Physicochemical Problems of Mineral Processing; 2021, 57, 6; 169--181
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quasi-elektroreologiczne właściwości wybranych silnikowych olejów bazowych
Quasi-electrorheological properties of selected base engine oils
Autorzy:
Gajewski, J. B.
Głogowski, M. J.
Paszkowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/190580.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
właściwości elektroreologiczne
uszczelnienie wargowe
stałe pole elektryczne
olej bazowy
electrorheological properties
lip seal
DC electric field
base oil
Opis:
W artykule przedstawiono wyniki badań wpływu zewnętrznego stałego pola elektrycznego na moment hamujący w układzie: wirujący wał–olej–uszczelnienie wargowe. W badaniach używano bazowych olejów silnikowych syntetycznych: glikol polialkilenowy (polyalkylene glycol = PAG) i polialfaolefina (polyalphaolefin = PAO) oraz dodatków uszlachetniających: przeciwzużyciowy (AW) i modyfikator tarcia (FM). Doświadczenia te prowadzono dla różnych temperatur czystych olejów bazowych i ich mieszanin z dodatkami AW i FM. Właściwości elektroreologiczne bazowych olejów i ich mieszanin z ww. dodatkami AW i FM wyznaczono na stanowisku składającym się z reometru pracującego w układzie obracająca się tarcza–płyta i z przystawki umożliwiającej wytworzenie stałego pola elektrycznego między tarczą i płytą.
The paper presents the experimental results of research on the effect of an external DC electric field on the braking torque in a rotating shaft–oil– –rotary lip seal system. In the research, polyalkylene glycol (PAG) and polyalphaolefin (PAO) base oils and two additives antiwear (AW) and friction modifier (FM) were used. These experiments were performed for different temperatures of pure base oils and their blends with the AW and FM agents. Electrorheological properties of base oils and blends with AW and FM additives were performed using a rotating rheometer, which worked in the plate-plate system. A DC voltage across the upper and lower plates was generated by a current/voltage power pack. In both experiments, it was found that the DC electric field in both interfacial systems caused the braking torque and the complex viscosity modulus to be changed.
Źródło:
Tribologia; 2015, 4; 67-76
0208-7774
Pojawia się w:
Tribologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The lip print recognition using Hough transform
Autorzy:
Smacki, Ł.
Porwik, P.
Tomaszycki, K.
Kwarcińska, S.
Powiązania:
https://bibliotekanauki.pl/articles/333892.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
rozpoznawanie ludzkich ust
cheiloskopia
dane biometryczne
przekształcanie Hougha
wydruk wargi
human lips recognition
cheiloskopy
biometrics
Hough transform
lip print
Opis:
This paper presents the new method of lip print recognition. Lip print analysis is based on sulcus-topology features manifested on human lips. The structure of the characteristic lip lines is transformed to a digital image and classified using the Hough transformation. The proposed algorithm gives good level of recognition accuracy and can be used in biometric applications and applied in forensic services.
Źródło:
Journal of Medical Informatics & Technologies; 2010, 14; 31-38
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-25 z 36

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