专利名称:Wavelet transform method and apparatus发明人:Wu, Zhixiong申请号:EP97304589.1申请日:19970626公开号:EP0817098A3公开日:19981223
专利附图:
摘要:An N-level wavelet transform is executed on an image signal representing animage having a first dimension and a second dimension. First, an N-level one-dimensionalwavelet transform is executed in the first dimension, generating an intermediate signalwhich is temporarily stored in a memory device; then an N-level one-dimensional wavelet
transform is executed on the intermediate signal in the second dimension. The imagesignal may be accompanied by shape information describing the shape of the image, inwhich case each N-level one-dimensional wavelet transform is executed by a series of None-level wavelet transforms, with alteration of the shape information when each one-level wavelet transform is performed.
申请人:Oki Electric Industry Co., Ltd.
地址:7-12, Toranomon 1-chome Minato-ku Tokyo JP
国籍:JP
代理机构:Read, Matthew Charles
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