jrmsmith

Image specific quantization tables

44

I would like to call your attention that this patent for optimizing quantization tables [image specific] have expired: https://www.google.com/patents/US5724453 The paper can be found here: http://www.minds.wisconsin.edu/bitstream/handle/1793/59942/TR1257.pdf?sequence=1 The source code can...

Image specific optimal thresholding strategy for the DCT coefficients

2

I would like to call your attention that this patented algorithm yielding the optimal thresholding strategy for the DCT coefficients [image specific] have expired: https://patents.google.com/patent/US5734755A/en The paper can be found...