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Image magnification method, terminal and computer readable memory medium

An image and terminal technology, applied in the terminal field, can solve the problems of long time consumption, heavy terminal load, and large amount of image enlargement calculation, and achieve the effect of reducing resource consumption and saving time.

Inactive Publication Date: 2017-12-22
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is how to solve the problem in the prior art that image enlargement has a large amount of calculation, heavy terminal load and long time consumption; in view of this technical problem, an image enlargement method is provided, including:

Method used

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  • Image magnification method, terminal and computer readable memory medium
  • Image magnification method, terminal and computer readable memory medium
  • Image magnification method, terminal and computer readable memory medium

Examples

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Comparison scheme
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no. 1 example

[0058] refer to figure 2 , figure 2 It is a flow chart of the image enlargement method provided by the first embodiment of the present invention.

[0059] The image enlargement method in this embodiment includes:

[0060] S201. Determine the corresponding original position of each target pixel in the target image in the original image according to the magnification of the original image;

[0061] S202. Determine the complexity in the neighborhood of the original location according to the pixel values ​​of the adjacent pixels in the neighborhood of the original location;

[0062] S203. When the complexity is less than or equal to the preset value, take the average value of the pixel values ​​of adjacent pixel points in the neighborhood of the original position as the pixel value of the target pixel point.

[0063] For the enlargement process of an image of a certain size, a certain degree of distortion will inevitably occur, because the number of pixels and the correspondi...

no. 2 example

[0076] Please refer to Figure 4 , Figure 4 It is a schematic diagram of a terminal composition provided in the second embodiment of the present invention.

[0077] The terminal in this embodiment includes a processor 110, a memory 109, and a communication bus 401; wherein:

[0078] The communication bus 401 is used to realize connection and communication between the processor 110 and the memory 109;

[0079] The processor 110 is used to execute the image enlargement program stored in the memory 109, to realize:

[0080] Determine the corresponding original position of each target pixel in the target image in the original image according to the magnification of the original image;

[0081] According to the pixel value of each adjacent pixel in the neighborhood of the original position, determine the complexity in the neighborhood of the original position;

[0082] When the complexity is less than or equal to the preset value, the average value of the pixel values ​​of adj...

no. 3 example

[0096] Please refer to Figure 5 , Figure 5 It is a flow chart of the image magnification method provided in the third embodiment of the present invention, including:

[0097] S501. Determine the target pixel of the pixel value to be determined in the enlarged target image;

[0098] S502. Determine the corresponding original position of the target pixel in the original image according to the magnification of the original image;

[0099] In the process of image enlargement, the size of the original image is determined, and the size of the enlarged image is also determined. According to the size of the original image and the size of the enlarged image, the magnification factor of the original image can be known. The corresponding original position of the pixels in the enlarged target image in the original image can be determined by this magnification. The positions of the pixels in the enlarged target image are determined. After determining the pixel value of each pixel, the...

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Abstract

The invention provides an image magnification method, a terminal and a computer readable memory medium. The method comprises the steps of determining corresponding original positions of target pixels of a target image in an original image according to magnification times for the original image; determining the complexity in original position neighborhoods according to pixel values of neighbor pixels in neighborhoods of the original positions; and taking an average value of the pixel values of neighbor pixels in the neighborhoods of the original positions as a pixel value of the target pixel values when the complexity is smaller than or equal to a preset value. Through application of the method, the complexity of the original positions in the original image is taken as an image magnification reference index, the image magnification processing does not need to be carried out on the whole image through adoption of a bicubic interpolation algorithm, the resource consumption required by image magnification is effectively reduced, and the image magnification time is reduced.

Description

[0001] technology neighborhood [0002] The present invention relates to the technical field of terminals, and more specifically, relates to an image enlargement method, a terminal and a computer-readable storage medium. Background technique [0003] With the popularity of mobile terminals such as mobile phones, social networking sites are becoming more and more popular among users, and users are also more and more fond of uploading pictures to these social networking applications. This type of application will provide a picture preview function. The image enlargement process basically adopts the bicubic interpolation algorithm as a whole. This algorithm performs the same large-scale interpolation on the pixels of the entire image. Undistorted effect, but its large amount of budget increases the operating cost of the terminal and the waiting time of the user, and the user experience is poor. Contents of the invention [0004] The technical problem to be solved by the presen...

Claims

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Application Information

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IPC IPC(8): H04M1/725G06T3/40
CPCG06T3/4007H04M1/72439
Inventor 胡丽娜
Owner NUBIA TECHNOLOGY CO LTD
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