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DCT Coefficients Weighting (DCTCW)-Based Gray Wolf Optimization (GWO) for Brightness Preserving Image Contrast Enhancement.
Saorabh Kumar Mondal
Arpitam Chatterjee
Bipan Tudu
Published in:
Int. J. Image Graph. (2023)
Keyphrases
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dct coefficients
image contrast enhancement
discrete cosine transform
gray level
dct domain
image enhancement
transform domain
compressed domain
jpeg images
feature vectors
histogram equalization
image compression
similarity measure
pattern recognition
multiresolution
low frequency