Temat: contour analysis - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Research the possibilities of different filters and their application to image recognition problems
Autorzy:: Brytik, V.
Grebinnik, O.
Kobziev, V.
Powiązania:: https://bibliotekanauki.pl/articles/410672.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:: image analysis
contour points
filter
convolution mask
Opis:: This article is devoted to the analysis from the viewpoint of accuracy allocation of contour points, and maintaining information about the distribution of non-derivative elements. In this article is researched the edge enhancement algorithms such as Prewitt, Sobel, Laplacian, Kirsch and evaluated their work, using some well-known performance measures. Also compared the efficacy of the researched algorithms, which was determined on the selected images with superimposed noise.
Źródło:: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 4; 21-27
2084-5715
Pojawia się w:: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Graph models of automobile gears - kinematics
Autorzy:: Drewniak, J.
Kopeć, J.
Zawiślak, S.
Powiązania:: https://bibliotekanauki.pl/articles/955206.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: analiza kinematyczna
wskaźniki
przekładnia zębata
mechatronika samochodowa
kinematical analysis
ratios
mixed graphs
contour graphs
bond graphs
Opis:: In the present paper, kinematical analysis of an automotive gear is described. Versatile graph based methods have been utilized for this purpose. An application of mixed, contour and bond graphs gives the same results. It allows the detection of possible mistakes as well as a deeper insight into the designed artifact. The graphs can also be used for further analyses which will be published in a separate document.
Źródło:: International Journal of Applied Mechanics and Engineering; 2014, 19, 3; 563-573
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Statistical estimation of the dynamics of watershed dams
Autorzy:: Tabor, Z.
Powiązania:: https://bibliotekanauki.pl/articles/907666.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: segmentacja hierarchiczna
dynamika konturowa
morfologia matematyczna
analiza statystyczna
hierarchical segmentation
contour dynamics
mathematical morphology
statistical analysis
Opis:: In the present study the notion of watershed contour dynamics, defined within the framework of mathematical morphology, is examined. It is shown that the dynamics are a direct measure of the 'sharpness' of transition between neighboring watershed basins. The expressions for the expected value and the statistical error of the estimation of contour dynamics are derived in the presence of noise, based on extreme value theory. The sensitivity of contour dynamics to noise is studied. A statistical approach to the notion of contour dynamics is developed and a definition of statistical dynamics is proposed.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2009, 19, 2; 349-360
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Bacilli bacterial cell image analysis using active contour segmentation with SVM classifier
Autorzy:: Bannigidad, Parashuram
Powiązania:: https://bibliotekanauki.pl/articles/1062913.pdf
Data publikacji:: 2019
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Active contour method
Bacillus
Bacillus subtilis
Bacterial cell image analysis
Cell classification
Cocobacilli
Diplobacilli
Palisades
SVM
Segmentation
Streptobacilli
Opis:: The main aim of the present study is to develop an automatic method to identify and classify the different cell types of bacilli bacterial cells in digital microscopic cell images using active contour method. Snakes, or active contours, are used widely in computer vision and machine learning applications, particularly to locate object boundaries. GLCM, HOG and LBP features are used to identify the arrangement of bacilli bacterial cells, namely, bacillus, cocobacilli, diplobacilli, palisades and streptobacilli using SVM classifier. The current methods rely on the subjective reading of profiles by a human expert based on the various manual staining methods. In this paper, it is proposed a method for bacilli bacterial cell classification by segmenting digital bacterial cell images using active contour model and extracting GLCM, HOG and LBP features. The experimental results proves that, the SVM classifier has yielded an overall accuracy of 97.2% with GLCM features, HOG features has yielded an accuracy of 74.8% and LBP features yielded 91.2% accuracy. The GLCM features with SVM classifier has got good classification results compared to HOG and LBP feature sets for bacilli bacteria cell types.
Źródło:: World Scientific News; 2019, 127, 3; 369-376
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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