发明名称 |
Schaltungsanordnung für ein Fernsehsystem, das transformationskodierte digitale Bilddaten verwendet |
摘要 |
Proposed is a circuit for a television system using transform-coded digital image data. Transform coding in television systems (for live transmission or for recording and temporally and/or specially shifted transmission) significantly reduces the required band width and is meant to be applied contour-adaptively with high coding efficiency and low processing capacity in relation to adaptation to local image contents/object-related motion compensation. With the proposed subdivision of the two-dimensional transform into two one-dimensional orthogonal transforms using rigidly defined orthogonal base functions in the form of transformational matrices, the circuit comprises two sections (100, 200) each of which has a sorter (110, 210), a substituter (120, 220) and a position shifter (130, 230), as well as a branched path with a counter (24), a correlator (26) and a multiplier (28) at the branch point. Both sections (100, 200) can access the components (24, 26, 28) and the second section (200) can have a transposer (205, 235) at either end. |
申请公布号 |
DE4437827(A1) |
申请公布日期 |
1996.04.18 |
申请号 |
DE19944437827 |
申请日期 |
1994.10.14 |
申请人 |
HEINRICH-HERTZ-INSTITUT FUER NACHRICHTENTECHNIK BERLIN GMBH, 10587 BERLIN, DE |
发明人 |
SIKORA, THOMAS, DR.-ING., 10823 BERLIN, DE;MAKAI, BELA, DIPL.-ING., 13403 BERLIN, DE |
分类号 |
G06F17/14;H04N19/60;(IPC1-7):H04N7/30 |
主分类号 |
G06F17/14 |
代理机构 |
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代理人 |
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