IMAGE PROCESSING APPARATUS AND METHOD FOR PERFORMING A DISCRETE COSINE TRANSFORM
First Claim
Patent Images
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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Abstract
An image processing apparatus and method providing a high speed pipeline structure having a low level of complexity is described. The image processing apparatus includes a memory configured to store a plurality of data in a plurality of memory locations, where an ordinally specified data is in a corresponding ordinal memory location.
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Citations
19 Claims
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1. An image processing apparatus comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An image processing method comprising:
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initializing first to eighth data, wherein each of the first to eighth data comprises a plurality of bits; and updating in a first stage for use in a second stage;
the first data with a sum of the first and the eighth data, a second data with a sum of second and seventh data, a seventh data with a difference between the second and the seventh data, and an eighth data with a difference between the first and the eighth data. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification