Tone-mapping using perceptual-quantizer and image histogram
A new tone-mapping algorithm is presented for visualization of high dynamic range (HDR)
images on low dynamic range (LDR) displays. In the first step, the real-world pixel intensities …
images on low dynamic range (LDR) displays. In the first step, the real-world pixel intensities …
Encoding, decoding, and representing high dynamic range images
GJ Ward, W Jia, A Ninan, A Ten, G Wang - US Patent 8,248,486, 2012 - Google Patents
Techniques are provided to encode and decode image data comprising a tone mapped
(TM) image with HDR reconstruction data in the form of luminance ratios and color residual …
(TM) image with HDR reconstruction data in the form of luminance ratios and color residual …
Two layer lossless coding of HDR images
M Iwahashi, H Kiya - 2013 IEEE International Conference on …, 2013 - ieeexplore.ieee.org
This report proposes a two layer lossless coding system for high dynamic range (HDR)
images expressed in a floating point data format. Its encoder outputs compressed image …
images expressed in a floating point data format. Its encoder outputs compressed image …
Local inverse tone mapping for scalable high dynamic range image coding
Tone mapping operators (TMOs) and inverse TMOs (iTMOs) are important for scalable
coding of high dynamic range (HDR) images. Because of the high nonlinearity of local …
coding of high dynamic range (HDR) images. Because of the high nonlinearity of local …
Efficient lossless bit depth scalable coding for HDR images
M Iwahashi, H Kiya - Proceedings of The 2012 Asia Pacific …, 2012 - ieeexplore.ieee.org
This report proposes two layered bit depth scalable coding methods for high dynamic range
(HDR) images expressed in floating point data format. From the base layer bit stream, low …
(HDR) images expressed in floating point data format. From the base layer bit stream, low …
Encoding, decoding, and representing high dynamic range images
W Jia, A Ninan, A Ten, GJ Ward - US Patent 9,036,042, 2015 - Google Patents
Techniques are provided to encode and decode image data comprising a tone mapped
(TM) image with HDR recon struction data in the form of luminance ratios and color residual …
(TM) image with HDR recon struction data in the form of luminance ratios and color residual …
Encoding, decoding, and representing high dynamic range images
W Jia, A Ninan, A Ten, GJ Ward - US Patent 10,264,259, 2019 - Google Patents
Techniques are provided to encode and decode image data comprising a tone mapped
(TM) image with HDR recon struction data in the form of luminance ratios and color residual …
(TM) image with HDR recon struction data in the form of luminance ratios and color residual …
Encoding, decoding, and representing high dynamic range images
W Jia, A Ninan, A Ten, GJ Ward - US Patent 8,334,911, 2012 - Google Patents
Techniques are provided to encode and decode image data comprising a tone mapped
(TM) image with HDR reconstruction data in the form of luminance ratios and color residual …
(TM) image with HDR reconstruction data in the form of luminance ratios and color residual …
Two-layer lossless coding for high dynamic range images based on range compression and adaptive inverse tone-mapping
In this paper, we propose a 2-layer lossless coding method for high dynamic range (HDR)
images based on range compression and adaptive inverse tone-mapping. Recently, HDR …
images based on range compression and adaptive inverse tone-mapping. Recently, HDR …
Encoding, decoding, and representing high dynamic range images
W Jia, A Ninan, A Ten, GJ Ward - US Patent 9,819,938, 2017 - Google Patents
Techniques are provided to encode and decode image data comprising a tone mapped
(TM) image with HDR recon struction data in the form of luminance ratios and color residual …
(TM) image with HDR recon struction data in the form of luminance ratios and color residual …