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Flat zones filtering, connected operators and filters by reconstruction. Image Algebra and Mathematical Morphology IV, San Diego, CA., USA, 65≧6. Dougerty, (ed.), Mathematical Morphology in Image Processing (483≥24), New York: Marcel Dekker. Fontainebleaiu, France: Centre de morphologie mathematique, ENSMP. Toggle mapings (Technical report N≡8/88/MM). Image Analysis and Mathematical Morphology vol.2. Image analysis and Mathematical Morphology. Boncelet, editors, Nonlinear image processing III vol.1658 (139≡50). 4th European Conference on Colour in Graphics, Imaging, and Vision, and 10th International Symposium on Multispectral Colour Science (CGIV 2008/MCS'08), Terrassa, Spain, 249≢52. A modified algorithm for perceived contrast measure in digital images. CGIV 2004–Second European Conference on Color in Graphics, Imaging and Vision, Aachen, Germany, 187≡92. A proposal for contrast measure in digital images. Rizzi, A., Algeri, T., Medeghini, G., & Marini, D. Journal of the Optical Society of America A, 7(10), 2032≢040. IEEE Transactions on Medical Imaging, 11(3), 392≤06. Region–based contrast enhancement of mammograms. Morrow, W.M., Paranjape, R.B., Rangayyan, R.M., & Desautels, J.E.L. Morphological contrast measure and contrast enhancement: one application to the segmentation of brain MRI.

Mendiola–Santibáñez, J.D., Terol–Villalobos, I.R., Herrera–Ruíz, G., & Fernández≫ouzas, A. Mapeos de contraste morfológicos sobre particiones basados en la noción de zona plana.

IEEE Transactions on Acoustics Speech and Signal Processing, 35(8), 1170≡184. Morphological filters–Part II: their relations to median, order–statistic, and stack filters. IEEE Transactions on Medical Imaging, 16(5), 495≥02. Adaptive mammographic image enhancement using first derivative and local statistics. IEEE Transactions on Image Processing, 18(3), 613≦23. Morphological background detection and enhancement of images with poor lighting. Jiménez–Sánchez, A.R., Mendiola–Santibáñez, J.D., Terol–Villalobos, I.R., Herrera–Ruíz, G., Vargas–Vázquez, D., García≮scalante, J.J., & Lara–Guevara, A. Fundamentals of digital images processing. Feature enhancement of film mammograms using fixed and adaptive neighborhoods. Computer Vision, Graphics, and Image Processing, 46(2), 162≡74. Contrast enhancement technique based on local detection of edges. IEEE Transactions on Image Processing, 10(3), 367≣82. Transform–based image enhancement algorithms with performance measure. Agaian, S.S., Panetta, K., & Grigoryan, A.M. Keywords: Morphological contrast, opening by reconstruction, contrast index, Weber's law.ġ. The performance of our proposal is illustrated with a set of images processed by contrast mapping and compared with two contrast measures given in the literature. The index is based on Weber's law and takes into account background estimation through the erosion of opening by reconstruction. In this work, a contrast index for quantifying the perceived contrast in an image is proposed. Palabras clave: Contraste morfológico, apertura por reconstrucción, índice de contraste, ley de Weber. El desempeño de la propuesta se ilustra con un conjunto de imágenes procesadas por un mapeo de contraste y se compara con dos medidas de contraste dadas en la literatura.

El índice está basado en la ley de Weber y toma en consideración una estimación del fondo de la imagen mediante la erosión de la apertura por reconstrucción. 76240, Querétaro, México.Įn este artículo se presenta un índice para cuantificar el contraste que se percibe en una imagen. Correo: Universidad Politécnica de Querétaro, Carretera Estatal 420 S/N, El Rosario, El Marqués, C.P. Mendiola Santibañez 1,2, Gilberto Herrera Ruíz 1 e Israel Santillan 1,2ġ División de Investigación y Posgrado de la Facultad de Ingeniería, Universidad Autónoma de Querétaro, Centro Universitario S/N. Morphological Contrast Index based on an Analysis of Contours and Image BackgroundĪngélica R. Índice de contraste morfológico basado en el análisis de los contornos y el fondo de la imagen