System and method for parallel computation of an array transform
US7634159B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Dec 8, 2004 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Aug 7, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/48
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An array transform system for parallel computation of a plurality of elements of an array transform includes a memory for storing an array of data elements. Each column of data elements from the memory is copied to a shifter that shifts the column of data elements in accordance with a shift value to produce a shifted column of data elements. The shifted columns of data elements are accumulated in a plurality of accumulators, with each accumulator producing an element of the array transform. A controller controls the shift value dependent upon the position of the column of data elements in the array of data elements.
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