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Image load balancing processing method and device

A load balancing and processing method technology, applied in machine execution devices, concurrent instruction execution, etc., can solve problems such as unbalanced load of parallel processing units, and achieve the effects of real-time image parallel processing, reducing power consumption, and optimizing parallel efficiency.

Active Publication Date: 2017-11-07
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology

The current chunking method is prone to load imbalance among different parallel processing units

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  • Image load balancing processing method and device
  • Image load balancing processing method and device
  • Image load balancing processing method and device

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Embodiment Construction

[0061] The preferred embodiments of the invention will be further described in detail below.

[0062] Such as figure 1 and 2 As shown, an image load balancing processing method of an embodiment includes the following steps:

[0063] S1: Input the original image. The original image can be collected by a video camera, a camera, or a video image obtained by a computer tool, and the data format is not limited.

[0064] S2: convert the original image f 0 Evenly divided into M×N rectangular initial blocks, the number of vertical and horizontal image blocks are M and N respectively, the number of pixels of the basic unit of each block is n×n pixel blocks, and the number of the vertical boundary i of the divided blocks starts from 1 To M-1, the number of horizontal boundary j is from 1 to N-1, and the initial value is 1 respectively;

[0065] S3: Determine the position of the vertical boundary i, and calculate the texture feature difference |X(i)-X(i+1)| between the left and right...

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Abstract

The invention discloses an image load balancing processing method and device. The method includes the following steps: dividing an original image f(x, y) into multiple image blocks along the vertical and horizontal directions; Features, move the vertical boundary to maximize the texture feature similarity between the left and right image blocks of the vertical boundary; calculate the texture features of the upper and lower two image blocks of the horizontal boundary, and move the horizontal boundary to make the texture between the upper and lower image blocks of the vertical boundary The feature similarity is the largest; the final image blocks corresponding to the determined final horizontal boundary and vertical boundary are assigned to different computing units for parallel processing; the texture feature X(i) of the image block is calculated by the following algorithm: μcol(i)= ∑xm,n(i) / (Wp×Hp), X(i)=∑|xm,n(i)-μcol(i)|. The method can realize load balancing among different parallel processing units and reduce power consumption.

Description

【Technical field】 [0001] The invention relates to an image load balancing processing method and device. 【Background technique】 [0002] The development of computing technology and visual technology and the introduction of a new generation of video coding technology allow us to enjoy the visual feast brought by high-resolution and ultra-high-resolution images and videos, but this also makes the computational complexity of image processing and video coding Substantial growth has brought great challenges to real-time parallel ultra-high-resolution image / video processing. At the same time, parallel processing architecture may also bring problems of load imbalance and increased power loss. How to combine real-time and efficient parallel processing strategies with load balancing The perfect combination of technologies has become the current development trend in the field of computer vision and digital image processing. [0003] Whether it is image processing or video coding, an i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/38
Inventor 金欣韩海旭戴琼海
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV