Apparatus and methods for recompression of digital images
S Carmel, D Gill, T Shoham - US Patent 8,908,984, 2014 - Google Patents
A system and method for generating a second reduced size digital image from a first digital
image, the method including iteratively compressing the first digital image to an extent …
image, the method including iteratively compressing the first digital image to an extent …
Classifying an image's compression level
S Carmel, D Gill, T Shoham - US Patent 8,452,110, 2013 - Google Patents
A method of classifying a compressed input image's compression level, comprising applying
inverse quantization to DCT coefficients extracted from the compressed input image, giving …
inverse quantization to DCT coefficients extracted from the compressed input image, giving …
Apparatus and methods for recompression of digital images
S Carmel, D Gill, T Shoham - US Patent 9,503,738, 2016 - Google Patents
US9503738B2 - Apparatus and methods for recompression of digital images - Google Patents
US9503738B2 - Apparatus and methods for recompression of digital images - Google Patents …
US9503738B2 - Apparatus and methods for recompression of digital images - Google Patents …
Apparatus and methods for re-compression having a monotonic relationship between extent of compression and quality of compressed image
S Carmel, D Gill, T Shoham - US Patent 8,805,109, 2014 - Google Patents
PLC (57) ABSTRACT A computerized method for independent disjoint block-level
recompression of a first image generated by independent coding of disjoint blocks in a …
recompression of a first image generated by independent coding of disjoint blocks in a …
A comparative study of JPEG2000, AVC/H. 264, and HD photo
F De Simone, M Ouaret, F Dufaux… - … of Digital Image …, 2007 - spiedigitallibrary.org
In this paper, we report a study evaluating rate-distortion performance between JPEG 2000,
AVC/H. 264 High 4: 4: 4 Intra and HD Photo. A set of ten high definition color images with …
AVC/H. 264 High 4: 4: 4 Intra and HD Photo. A set of ten high definition color images with …
[PDF][PDF] Transmission error and compression robustness of 2D chaotic map image encryption schemes
M Gschwandtner, A Uhl, P Wild - EURASIP Journal on Information Security, 2007 - Springer
This paper analyzes the robustness properties of 2D chaotic map image encryption
schemes. We investigate the behavior of such block ciphers under different channel error …
schemes. We investigate the behavior of such block ciphers under different channel error …
Fast H. 264/AVC FRExt intra coding using belief propagation
S Milani - IEEE transactions on image processing, 2010 - ieeexplore.ieee.org
In the H. 264/AVC FRExt coder, the coding performance of Intra coding significantly
overcomes the previous still image coding standards, like JPEG2000, thanks to a massive …
overcomes the previous still image coding standards, like JPEG2000, thanks to a massive …
[PDF][PDF] Comparison between discrete wavelet transform and dual-tree complex wavelet transform in video sequences using wavelet-domain
There has been a lot of research work dedicated towards image denoising compared to
those of video denoising due its complexity. However, with the wide spread of video usage …
those of video denoising due its complexity. However, with the wide spread of video usage …
Apparatus and methods for recompression of digital images
S Carmel, D Gill, T Shoham - US Patent 10,362,309, 2019 - Google Patents
A system and method for generating a second reduced size digital image from a first digital
image, the method including iteratively compressing the first digital image to an extent …
image, the method including iteratively compressing the first digital image to an extent …
Error resilience performance evaluation of H. 264 I-frame and JPWL for wireless image transmission
The visual quality obtained in wireless transmission strongly depends on the characteristics
of the wireless channel and on the error resilience of the source coding. The wireless …
of the wireless channel and on the error resilience of the source coding. The wireless …