In the image processing apparatus, an image pick-up part obtains an image, an image compensation part stretches gray values of. selected pixels from a main object of the obtained image (the selected pixels lie in a narrower gray value range) to a wider gray value range, and an image ...
The histogram equalization process is a simple yet efficient image contrast enhancement technique that generally produces satisfactory results. However, due to its design limitations, output images often experience a loss of fine details or contain unwanted viewing artefacts. One reason for such ...
Wanhyun Cho, Seongchae Seo, Jinho You, Soonja Kang "Enhancement Technique of Image Contrast using New Histogram Transformation" (Journal of Computer and Communications, 2014, 2, 52-56 Published Online January 2014) (http://www.scirp.org/journal/jcc) http://dx.doi.org/10.4236/jcc.2014.22010...
The proposed retinal fundus image enhancement method consists of two stages. Figure 1 presents the flow of each stage- Stage 1 and Stage 2. Stage 1 focuses on selecting the color channel for image enhancement, and Stage 2 focuses on noise removal, brightness, and contrast optimization. ...
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The present invention discloses a method and a device for image contrast enhancement by taking the contribution of image chroma into account so as to define the luminance signal with the chroma weighted value. The new defined luminance signal can be applied towards expressing the image's ...
across varioussignal processing applicationssuch as medical image processing,wireless communications,natural language processing. Cloud computing for online retinal image analysis has a recognized potential[55]. The recent evolution towards decentralization of computing facilities across computer communication ...
Image contrast was enhanced for better display. For evaluation, we chose 20 smaller images with different dimensions in the adjacent area for each of the experiments. The time difference between the two time points was about two years. Significant temporal changes can be observed between the ...
Binarization of degraded document images based on contrast enhancement. Int. J. Doc. Anal. Recognit. 2018, 21, 123–135. [Google Scholar] [CrossRef] Liu, W.; Anguelov, D.; Erhan, D.; Szegedy, C.; Reed, S.; Fu, C.-Y.; Berg, A.C. Ssd: Single shot multibox detector. In ...
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