System and method for a direct computation of cubic spline...

Details System and method for a direct computation of cubic spline... System and method for a direct computation of cubic spline...

2006-09-19

2006-09-19

Ishrat, Sherali (Department: 2624)

Image analysis

Image compression or coding

Including details of decompression

Reexamination Certificate

active

07110606

ABSTRACT:
A cubic spline interpolation (CSI) method and apparatus for image compression by direct computation. Such a CSI method is used along with the JPEG standard to obtain a new CSI-JPEG encoder-decoder (Codec). In one embodiment, the present invention is a method and apparatus for a new CSI-JPEG codec enabling a pipelined compression method that is naturally suitable for hardware or firmware implementations.

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patent: 5892847 (1999-04-01), Johnson
patent: 6768817 (2004-07-01), Cheng et al.
Hou, Hsieh S and Andrews, Harry C., “Cubic Splines for Image Interpolation and Digital Filtering”, IEEE Transactions on Acoustics, Speech, and Signal Processing, Dec. 1978, 508-517, vol. ASSP-26, No. 6.
Kolba, Dean P. and Parks, Thomas W., “A Prime Factor FFT Algorithm Using High-Speed Convolution”, IEEE Transactions on Acoustics, Speech, and Signal Processing, Aug. 1977, 281-294, vol. ASSP-25, No. 4.
Truong, T.K., Wang, L.J., Reed, I.S., and Hsieh, W.S., “Image Data Compression Using Cubic Convolution Spline Interpolation”, IEEE Transactions on Image Processing, Nov. 2000, 1988-1995, vol. 9, No. 11.
Wang, Lung-Jen, Hsieh, Wen-Shyong, Truong, Trieu-Kien, Reed, Irving, S., and Cheng, T.C., “A Fast Efficient Computation of Cubic-Spline Interpolation in Image Codec”, Jun. 2001, 1189-1197, vol. 49, No. 6.

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