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IMAGE PROCESSING APPARATUS AND METHOD FOR PERFORMING A DISCRETE COSINE TRANSFORM

  • US 20120195516A1
  • Filed: 01/30/2012
  • Published: 08/02/2012
  • Est. Priority Date: 02/01/2011
  • Status: Active Grant
First Claim
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1. An image processing apparatus comprising:

  • a memory configured to store a plurality of data in a plurality of memory locations, wherein an ordinally specified data is in a corresponding ordinal memory location; and

    an arithmetic operation unit configured to receive data from the memory, and updating the memory with results of arithmetic operations performed on the at least one of the plurality of data,wherein in a first stage the arithmetic operation unit is configured to update for use in a second stage;

    a first memory location with a sum of first and eighth data, a second memory location with a sum of second and seventh data, a seventh memory location with a difference between the second and the seventh data, and an eighth memory location with a difference between the first and the eighth data.

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