Search results for " Processing"

showing 10 items of 7549 documents

A Watermarking of Medical Image: Method Based "LSB"

2011

International audience; In this paper, we present a new approach for watermarking of medical image that we are trying to adapt to telemedicine. This approach is intended to insert a set of data in a medical image. These data should be imperceptible and robust to various attacks. It's containing the signature of the original image, the data specific to the patient and his diagnostic. The purpose of the watermarking method is to check the integrity and preservation of the confidentiality of patient data in a network sharing. This approach is based on the use the LSB (least significant bits) of the image and tools borrowed from cryptography.

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image Processing
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Méthode de "Multicouches" Pour le Tatouage des Images Médicales

2012

International audience; Dans le but de contribuer á la sécurité du partage, au transfert et á l'indexation des images médicales, on a mis en œuvre une nouvelle approche de tatouage. Cette approche se base sur l'utilisation de diverses techniques tels que la technique du Code Division Multiple Access (CDMA), de la Transformation en Ondelette Discrète (TOD), des Codes Correcteurs d'Erreurs (CCE) et de la fonction de hachage (MD5),... Le but de notre contribution étant d'augmenter le taux d'intégration tout en conservant l'aspect visuel de l'image d'une part et de détecter et même corriger les différentes altérations qui peuvent avoir lieu de l'autre part. Cette approche sera testé sur des ima…

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image Processing
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A Machine Learning Approach for Computer-Aided Detection of Cerebral Microbleed Using High-order Shape Features

2014

International audience; This paper presents a novel machine learning approach for computer-aided detection of microbleeds in SWI. The major contributions are: identifying microbleed extent in order to extract proper cubic regions-of-interest (ROI) containing the structure, (2) extracting a set of robust 3- dimensional (3D) Radon- and Hessian-based shape descriptors within the ROIs as well as 2D Radon features computed on intensity-projection images of the corresponding ROIs, and (3) incorporating a cascade of random forests (RF) classifiers to iteratively reduce false detection rates while maintaining a high sensitivity.

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image Processing
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Traitement linéaire du signal numérique

1998

International audience; Le signal numérique et son traitement sont devenus des thématiques majeures des Sciences pour l'Ingénieur depuis que les progrès de l'électronique numérique programmée ont rejeté de plus en plus loin les contraintes de bande passante et de période d'échantillonnage.Cet ouvrage propose de considérer le signal numérique et son traitement comme un ensemble cohérent indépendant de l'analyse du signal continu. Ce point de vue a l'avantage pédagogique de la simplicité de l'approche. Les mathématiques nécessaires restent élémentaires et la présentation des principaux concepts et techniques de traitement ne requiert qu'un niveau Bac scientifique ou technologique. De nombreux…

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image Processing
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Sampling CIELAB color space with perceptual metrics

2016

International audience

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image ProcessingComputingMilieux_MISCELLANEOUS
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Apport du variogramme dans la classification d'images satellitaires radar RSO,

2012

International audience

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image ProcessingComputingMilieux_MISCELLANEOUS
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An inverse tone mapping method for displaying images on HDR monitor

2013

International audience

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image ProcessingComputingMilieux_MISCELLANEOUS
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Multispectral endoscopy to identify precancerous lesions in gastric mucosa (Orale)

2014

International audience

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image ProcessingComputingMilieux_MISCELLANEOUS
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Texture-less Macula Swelling Detection with Multiple Retinal Fundus Images

2011

International audience

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image ProcessingComputingMilieux_MISCELLANEOUS
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Methods and Technologies - Augmented Reality

2017

International audience

[INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV][INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV][ INFO.INFO-TI ] Computer Science [cs]/Image Processing[INFO.INFO-GR] Computer Science [cs]/Graphics [cs.GR][ INFO.INFO-GR ] Computer Science [cs]/Graphics [cs.GR]ComputingMilieux_MISCELLANEOUS[INFO.INFO-GR]Computer Science [cs]/Graphics [cs.GR]
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