Image analysis – Image compression or coding – Pyramid – hierarchy – or tree structure
Reexamination Certificate
2007-11-27
2007-11-27
Tran, Phuoc (Department: 2624)
Image analysis
Image compression or coding
Pyramid, hierarchy, or tree structure
C382S233000, C382S248000
Reexamination Certificate
active
10620604
ABSTRACT:
There are provided a moving image coding apparatus and moving image decoding apparatus which allow efficient decoding of an interlaced image from the coded data of a progressive image, and methods for the apparatuses. Noninterlaced moving image data is input from a moving image data input unit (101). Two consecutive frames are discriminated by a switch (102). A line interleaving unit (103) then generates new image data by alternately arranging the line data of the respective frames upon changing the order. A discrete wavelet transform unit (104) performs two-dimensional discrete wavelet transform for this image data to decompose it into seven subbands. Each subband is then coded.
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Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Tran Phuoc
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