34 search results - page 4 / 7 » Blind forensics of contrast enhancement in digital images |
CGF
2010
13 years 7 months ago
2010
We propose to enhance the capabilities of the human visual system by performing optical image processing directly on an observed scene. Unlike previous work which additively super...
ISCAS
2005
IEEE
14 years 1 months ago
2005
IEEE
— Controlled electrical stimulation of the retina can result in visual percepts in blind patients. In contrast to the over 100,000,000 photoreceptors in a healthy retina, even hu...
ICIP
1995
IEEE
14 years 9 months ago
1995
IEEE
In this paper enhancement of a digital image is done by detecting the noisy and noiseless region of the image. The noisy regions are smoothed and the noiseless regions are sharpen...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Non-uniform light distribution problems often arise in the text images taken by digital camera. In this paper, we propose a novel technique for text image uneven lighting removal ...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
Bit-depth reduction in digital displays results in false contours in the image. Moreover some of video enhancement processing in the digital TV display, such as histogram equaliza...