Dr. Chengjie Tu Profile

Dr. Chengjie Tu

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Publications (8)

Proceedings Article | 15 September 2008 Paper

Image coding design considerations for cascaded encoding-decoding cycles and image editing: analysis of JPEG 1, JPEG 2000, and JPEG XR / HD Photo

Gary Sullivan, Shijun Sun, Shankar Regunathan, Daniel Schonberg, Chengjie Tu, Sridhar Srinivasan

Proceedings Volume 7073, 707312 (2008) https://doi.org/10.1117/12.797086

KEYWORDS: Distortion, Computer programming, Image compression, Quantization, Image processing, RGB color model, Standards development, Wavelets, Image analysis, Image quality standards

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Proceedings Article | 15 September 2008 Paper

Coding of high dynamic range images in JPEG XR / HD Photo

Sridhar Srinivasan, Zhi Zhou, Gary Sullivan, Robert Rossi, Shankar Regunathan, Chengjie Tu, Anirban Roy

Proceedings Volume 7073, 707315 (2008) https://doi.org/10.1117/12.797096

KEYWORDS: High dynamic range imaging, Computer programming, Image compression, Data conversion, RGB color model, Standards development, Image processing, Erbium, Range imaging, Signal processing

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Proceedings Article | 13 September 2008 Paper

Low-complexity hierarchical lapped transform for lossy-to-lossless image coding in JPEG XR / HD Photo

Chengjie Tu, Sridhar Srinivasan, Gary Sullivan, Shankar Regunathan, Henrique Malvar

Proceedings Volume 7073, 70730C (2008) https://doi.org/10.1117/12.797097

KEYWORDS: Image compression, Computer programming, Standards development, Image quality standards, Technetium, Image processing, Visualization, Control systems, Image quality, Quantization

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Proceedings Article | 24 September 2007 Paper

HD Photo: a new image coding technology for digital photography

Sridhar Srinivasan, Chengjie Tu, Shankar Regunathan, Gary Sullivan

Proceedings Volume 6696, 66960A (2007) https://doi.org/10.1117/12.767840

KEYWORDS: Image compression, Quantization, Image quality, Computer programming, High dynamic range imaging, RGB color model, Digital photography, Digital imaging, Raster graphics, Image resolution

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Proceedings Article | 24 June 2005 Paper

Error resilient DCT image coding with pre/post-filtering and Wiener filtering

Jie Liang, Chengjie Tu, Trac Tran, Lu Gan

Proceedings Volume 5960, 59603L (2005) https://doi.org/10.1117/12.632651

KEYWORDS: Error analysis, Visualization, Filtering (signal processing), Image compression, Image filtering, Electronic filtering, Image quality, Quantization, Error control coding, Image transmission

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Proceedings Article | 7 December 2001 Paper

Lapped-transform-based video coding

Trac Tran, Chengjie Tu

Proceedings Volume 4472, (2001) https://doi.org/10.1117/12.449795

KEYWORDS: Video coding, Video compression, Motion estimation, Video, Video processing, Computer programming, Signal processing, Multimedia, Quantization, Internet

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Proceedings Article | 7 December 2001 Paper

Context-based entropy coding of block transform coefficients for image compression

Chengjie Tu, Trac Tran

Proceedings Volume 4472, (2001) https://doi.org/10.1117/12.449796

KEYWORDS: Wavelets, Image compression, Binary data, Quantization, JPEG2000, Computer programming, Standards development, Wavelet transforms, Performance modeling, Image processing

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Proceedings Article | 28 December 2000 Paper

Projection-based block-matching motion estimation

Chengjie Tu, Trac Tran, Jerry Prince, Pankaj Topiwala

Proceedings Volume 4115, (2000) https://doi.org/10.1117/12.411605

KEYWORDS: Motion estimation, Video, Video coding, Algorithm development, Lawrencium, Electrochemical etching, Motion models, Image resolution, Spatial resolution, Temporal resolution

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Showing 5 of 8 publications

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