Image data transmitting method

A technology of image data and data, applied in the field of computer image processing, can solve the problem of low transmission efficiency, and achieve the effect of improving the overall transmission efficiency

Inactive Publication Date: 2009-10-14
徐州永威木业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the existing technology 2 is adopted, the total data volume S sum2 =S(X 1 +X 2 +X 3 +X 4 +X 5 ), the number of transmissions is 5 times; if the existing technology 3 is adopted, the total data volume S sum3 =S(P), the number of transmissions is 1, by S(X 1 +X 2 +X 3 +X 4 +X 5 ) is much smaller than S(P) Knowing that the prior art 3 transmits a large amount of useless data, the transmission efficiency of the prior art 3 is obviously lower than that of the prior art 2 at this time, but due to the rigid setting of the transmission method by the transmission system, it can only use Existing technology 3, resulting in low transmission efficiency of the system as a whole

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0086] Embodiment one: Figure 7 It is a flowchart of the image data transmission method in Embodiment 1 of the present invention, and the image data transmission method in Embodiment 1 of the present invention includes the following steps:

[0087] Step 701: Update M subdomains X 1 ...X m ...X M ;

[0088] Step 702: Fetch subdomain X 1 ...X m ...X M The smallest envelope domain P;

[0089] Step 703: Calculate the total time T required to sequentially transmit the subfields sum2 and the total time T required to transmit the minimum envelope field sum3 , and compare if T sum2 - Tsum3 ≤0 go to steps 704 and 705, otherwise go to step 706;

[0090] Step 704: select a subdomain to transmit to the receiving domain;

[0091] Step 705: Judging whether there are subfields that have not been transmitted, if yes, go to step 704, otherwise, end this process.

[0092] Step 706: Send Subdomain X 1 ...X m ...X M The minimum envelope domain P of P reaches the receiving domain,...

Embodiment 2

[0103] Embodiment two: Figure 9 It is a flow chart of the image data transmission method in Embodiment 2 of the present invention, and the image data transmission method in Embodiment 2 of the present invention includes the following steps:

[0104] Step 901: Update M subdomains X 1 ...X m ...X M ;

[0105] Step 902: Get the subdomain X in the sending domain X 1 ...X m ...X M The smallest envelope domain P;

[0106] Step 903: compare the number M of subfields with the lower threshold a and the upper threshold b, if the number of subfields is less than or equal to the lower threshold a, proceed to steps 905 and 906, if the number of subfields is greater than or equal to the upper threshold b, proceed to step 907, In other cases, proceed to step 904;

[0107] Step 904: Calculate the total time T required to transmit the subfields sequentially sum2 and the total time T required to transmit the minimum envelope field sum3 , and compare if T sum2 -T sum3 ≤0 go to steps...

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Abstract

The invention discloses an image data transmission method, which is applied in an image data transmission system. Before executing the image data transmission task, the image data transmission system first determines the transmission strategy for the next step through calculation, and if the transmission efficiency of sequentially transmitting subfields is high, then The subfields are transmitted sequentially, and the minimum envelope field is transmitted if the transmission efficiency of the minimum envelope field is high, so as to realize the dynamic decision to sequentially transmit the subfields or the minimum envelope field, and achieve the purpose of improving the overall transmission efficiency of the image data transmission system.

Description

technical field [0001] The invention relates to computer image processing technology, in particular to an image data transmission method. Background technique [0002] Usually, the storage space of the image information on the computer is called the storage domain of the image, which means a logically continuous section of storage space, in which each storage unit stores the characteristic data of a corresponding pixel, hereinafter referred to as The storage domain of an image is simply called a domain. Commonly, a collection of some connected pixels in an image is called an image sub-block, and the sub-block has various shapes, the most common being a rectangle. The storage domain of the image sub-block is located in a logically continuous space of the image domain. Hereinafter, the storage domain of the image sub-block is referred to as sub-domain for short. The set of connected pixels that can envelop a certain or several image sub-blocks is called the envelope block of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/91
Inventor 李发君丁送星
Owner 徐州永威木业有限公司
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