Online adaptive histogram equalization

It is well known that quantization degrades information. Therefore, it is much better to enhance the contrast based on the original analog signal at the image sensor. For combining quantization and histogram equalization, we propose a fully adaptive online technique and its analog switched-capacitor...

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Bibliographic Details
Published inNeural Networks for Signal Processing VIII. Proceedings of the 1998 IEEE Signal Processing Society Workshop (Cat. No.98TH8378) pp. 531 - 538
Main Author Martinez, D.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1998
Subjects
Adaptive equalizers
Concurrent computing
Data compression
Degradation
Digital images
Helium
Histograms
Image sensors
Quantization
Signal processing
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Summary:It is well known that quantization degrades information. Therefore, it is much better to enhance the contrast based on the original analog signal at the image sensor. For combining quantization and histogram equalization, we propose a fully adaptive online technique and its analog switched-capacitor implementation. As a result, the equalized image is constructed sequentially during image scanning.
ISBN:078035060X
9780780350601
ISSN:1089-3555
2379-2329
DOI:10.1109/NNSP.1998.710684