Fast algorithm for discrete cosine transform (DCT)-domain image downsampling using Winograd DCTs

Donyeon Kim; Yoonsik Choe

doi:10.1117/1.1599842

Fast algorithm for discrete cosine transform (DCT)-domain image downsampling using Winograd DCTs

Donyeon Kim, Yoonsik Choe

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

A fast algorithm for discrete cosine transform (DCT)-domain image resizing is presented. To reduce computations, fast Winograd DCTs are applied to a recently reported image resizing scheme that uses DCT low-pass truncated approximation. Our fast algorithm yields significant improvement in computational complexity over the fast algorithm of the reported method.

Original language	English
Pages (from-to)	2485-2486
Number of pages	2
Journal	Optical Engineering
Volume	42
Issue number	9
DOIs	https://doi.org/10.1117/1.1599842
Publication status	Published - 2003 Sept

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering(all)

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title = "Fast algorithm for discrete cosine transform (DCT)-domain image downsampling using Winograd DCTs",

abstract = "A fast algorithm for discrete cosine transform (DCT)-domain image resizing is presented. To reduce computations, fast Winograd DCTs are applied to a recently reported image resizing scheme that uses DCT low-pass truncated approximation. Our fast algorithm yields significant improvement in computational complexity over the fast algorithm of the reported method.",

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AB - A fast algorithm for discrete cosine transform (DCT)-domain image resizing is presented. To reduce computations, fast Winograd DCTs are applied to a recently reported image resizing scheme that uses DCT low-pass truncated approximation. Our fast algorithm yields significant improvement in computational complexity over the fast algorithm of the reported method.

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JO - Optical Engineering

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Fast algorithm for discrete cosine transform (DCT)-domain image downsampling using Winograd DCTs

Abstract

All Science Journal Classification (ASJC) codes

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