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Image data processing system and image data reading and writing method

A technology of image data and processing system, applied in the direction of electrical digital data processing, image communication, memory system, etc., can solve the problems of performance degradation and achieve the effect of improving speed

Inactive Publication Date: 2004-11-03
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, with the advancement of image data processing technology, attempts have been made to minimize the increase in size of image data to be processed and more frequent reading / writing of image data from / to memory. performance drop

Method used

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  • Image data processing system and image data reading and writing method
  • Image data processing system and image data reading and writing method
  • Image data processing system and image data reading and writing method

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Embodiment Construction

[0034] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. However, the present invention is not limited to the embodiments described hereafter, but the embodiments herein are introduced to provide an easy and comprehensive understanding of the scope and spirit of the present invention.

[0035] figure 1 is a block diagram of an image data processing system according to one embodiment of the present invention. refer to figure 1, the image data processing system 100 includes a Moving Picture Experts Group Standards (MPEG)-2 encoder 110 , an MPEG-2 decoder 120 , a de-interleaver 130 and a video post-processor 140 . The MPEG-2 encoder 110, the MPEG-2 decoder 120, and the deinterleaver 130 include direct memory access (DMA) controllers 111, 121, and 131, respectively, and are connected to a system bus 170. In addition, the image data processing system 100 further includes a synchrono...

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Abstract

An image data processing system with a memory performing burst read / write operations. The memory includes a memory cell array provided with memory cells arranged in a plurality of rows and a plurality of columns. The image data processing system further includes a controller for controlling an operation of reading / writing the image data from / to the memory. The controller divides the image data into a plurality of segments when a horizontal size of the image data is larger than a column width of the memory. An (I+1)-th (where I is a positive integer) segment includes a last burst data of an I-th segment, or the I-th segment includes a first burst data of the (I+1)-th segment. The respective segments correspond to the plurality of rows of the memory.

Description

technical field [0001] The invention relates to an image data processing system, in particular to a method for reading / writing image data from / to a memory in the image data processing system. Background technique [0002] Image data processing techniques are developing rapidly, and research in moving images and stationary images has reached a remarkable level. In the processing of image data, operations of accessing (reading / writing) image data from / to memory are frequently performed, so the performance of an image data processing system depends on its ability to quickly access a large amount of image data. Therefore, with the advancement of image data processing technology, attempts have been made to minimize the increase in size of image data to be processed and more frequent reading / writing of image data from / to memory. A drop in performance. Contents of the invention [0003] An image data processing system according to one embodiment of the invention includes a memo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02G06F12/00G06F12/06G06F13/16G06F13/20G09G5/36G09G5/39G11C7/22H04N5/76H04N5/91H04N7/24
CPCG09G2360/128G09G2340/02G09G5/363G09G5/39H04N7/24
Inventor 李钟源林庆默
Owner SAMSUNG ELECTRONICS CO LTD