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This paper presents an efficient color image enhancement method for endoscopic images. The enhancement is achieved in two parts: image enhancement at gray level followed by a color reproduction. The captured RGB endoscopic images are first converted into three 2-D spectral images using a well-known method called FICE (Fuji Intelligent Color Enhancement). Then the image with the maximum entropy is...
This paper presents a simple and efficient color image enhancement method for endoscopic images. The proposed image enhancement method works by two interrelated steps: image enhancement at gray level and color reproduction. At, first, the captured RGB endoscopic image is converted into 2 dimensional gray level spectral images using a well-known method called FICE (Fuji Intelligent Color Enhancement)...
Medical images, such as magnetic resonance (MR) images are crucial in clinical diagnosis. However, MR images always suffer from poor contrast due to imaging techniques. Therefore, an image enhancement approach based on multi-scale Retinex is presented in this paper. A set of MR images which show coronal slices are employed as testing samples. The experiments results demonstrated that the approach...
This paper presents a new impulse noise detection and removal technique based on applying dynamic optimal partitioning (OP) to a set of neighborhoods of a pixel whose noise identity is in question. Using the nature of the impulse noise, and by gathering collaborating information from different directions around it, a pixel is deemed either noisy or normal. If the pixel is classified as noise, then...
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