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Dive into the research topics where Troy Chinen is active.

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Featured researches published by Troy Chinen.


international conference on image processing | 2003

Visual comparison of JPEG 2000 versus conventional JPEG

Troy Chinen

One difficulty in image compression research is designing meaningful performance metrics. Purely numerical measures such as PSNR are unsatisfactory because they do not correlate well with human assessment. We introduce a method of subjective image evaluation for image compression called calibrated rank ordering (CRO). CRO is attractive because it produces substantial numerical results without excessive burden on the observers. Using CRO we compare traditional JPEG with JPEG 2000 in a variety of modes. We also consider the effect of differing images sources, i.e., digital still camera vs. film scan. Finally, we compare and contrast the artifacts of both JPEG and JPEG 2000.


Archive | 2005

Segmenting images and simulating motion blur using an image sequence

Troy Chinen; Sergey Ioffe; Thomas K. Leung; Yang Song


Archive | 2003

Method and apparatus for red-eye detection

Sergey Ioffe; Troy Chinen


Archive | 2006

Method and apparatus for diffusion based illumination normalization

Troy Chinen; Thomas K. Leung


computer vision and pattern recognition | 2018

Improved Lossy Image Compression With Priming and Spatially Adaptive Bit Rates for Recurrent Networks

Nick Johnston; Damien Vincent; David Minnen; Michele Covell; Saurabh Singh; Troy Chinen; Sung Jin Hwang; Joel Shor; George Toderici


Archive | 2015

Image denoising system and method

Sergey Ioffe; Troy Chinen; Vivek Kwatra; Hui Fang; Yichang Shih


Archive | 2006

Method and apparatus for model based anisotropic diffusion

Troy Chinen; Thomas K. Leung


Archive | 2006

Method and apparatus for diffusion based image relighting

Troy Chinen; Thomas K. Leung


Archive | 2015

PROVIDING IMAGE SEARCH TEMPLATES

Troy Chinen; Teresa Ko; Corinna Cortes; Nemanja Petrovic; Ameesh Makadia; Sebastian Pueblas; Hartwig Adam


international conference on computer vision | 2013

Joint Noise Level Estimation from Personal Photo Collections

YiChang Shih; Vivek Kwatra; Troy Chinen; Hui Fang; Sergey Ioffe

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Sergey Ioffe

University of California

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David Minnen

Georgia Institute of Technology

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