A real-time encoding and decoding system for nonlinear HDTV editor

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A real-time encoding and decoding system (REDS) for HDTV that can be used for nonlinear HDTV editing in studio has been developed. The intrapicture coding of motion JPEG is implemented and optimized in the REDS so that a high-quality image can be recovered for the nonlinear editing. The REDS has a parallel architecture with multiple programmable digital signal processors (DSP) and reconfigurable field programmable logic devices (FPLD). The HDTV image is spatially partitioned and concurrently processed by the multiple processors. The programmable DSPs perform the discrete cosine transform and quantization to reduce the spatial redundancy of the HDTV image, whereas the FPLDs perform the variable length coding to reduce the statistical redundancy. In addition, field-based quantization matrices are developed for HDTV images. The REDS has the programmability and the random accessibility of image frames, the two most important features for a nonlinear HDTV editing system.
Publisher
John Wiley & Sons
Issue Date
2000-07
Keywords

A real-time encoding and decoding system (REDS); HDTV

Citation

International Journal of Imaging Systems and Technology Volume 11, Issue 2 , Pages 152 - 157

ISSN
1098-1098
DOI
10.1002/1098-1098(2000)11:2<152::AID-IMA7>3.0.CO;2-U
URI
http://hdl.handle.net/10203/2909
Appears in Collection
EE-Conference Papers(학술회의논문)

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