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Image scaling implementation method, processing device and computing equipment

A technology for computing equipment and implementation methods, applied in the fields of image zooming implementation methods, processing devices, and computing equipment, can solve problems such as wasting time, increasing calculation amount, and slow calculation speed, so as to improve processing efficiency, increase calculation efficiency, and reduce calculation speed. volume effect

Pending Publication Date: 2022-04-29
UNIONTECH SOFTWARE TECH CO LTD
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Problems solved by technology

[0005] However, in actual calculation, different input pixel coordinates in the target image are mapped to the same four output pixel coordinates in the original image. At this time, each pixel coordinate in the target image is mapped and interpolated , it is redundant, not only wastes time, but also increases the amount of calculation, and the calculation speed is slow, which affects the performance of image scaling

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  • Image scaling implementation method, processing device and computing equipment
  • Image scaling implementation method, processing device and computing equipment
  • Image scaling implementation method, processing device and computing equipment

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Embodiment Construction

[0030] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0031] figure 1 is a schematic block diagram of an example computing device 100 .

[0032] Such as figure 1 As shown, in a basic configuration 102 , computing device 100 typically includes system memory 106 and one or more processors 104 . A memory bus 108 may be used for communication between the processor 104 and the system memory 106 .

[0033] Depending on the desired configuration, processor 104 may be any type of processin...

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Abstract

The invention discloses an image scaling implementation method, a processing device and computing equipment. The method comprises the following steps: acquiring an original image and determining the size of the original image; receiving a transformation operation on the original image, forming a target image based on the transformation operation, and determining the size of the target image; calculating a scaling ratio based on the sizes of the original image and the target image; calculating corresponding output coordinates of four vertexes of a target quadrangle in the target image in the original image based on the scaling; calculating corresponding output pixel point coordinates of each target pixel point in the target quadrangle in the original image based on the corresponding output coordinates of the four vertexes of the target quadrangle in the original image; and determining the pixel value corresponding to each output pixel point coordinate as the output pixel value of the corresponding target pixel point so as to output a final target image. According to the technical scheme provided by the invention, the calculation amount of interpolation operation can be reduced on the basis of ensuring the image quality, and the calculation efficiency when the image is zoomed is improved.

Description

technical field [0001] The invention relates to the technical field of computers and the Internet, in particular to an image zooming realization method, processing device and computing equipment. Background technique [0002] The bitmap is scaled based on the nearest neighbor interpolation method. After a certain magnification, a large number of pixel blocks with the same gray value will appear, that is, a mosaic, and it will be distorted after a certain magnification. In contrast, the bilinear interpolation algorithm is a better image scaling algorithm, which makes full use of the four real pixel values ​​around the virtual point in the original image to jointly determine a pixel value in the target image, and the scaling effect is Relatively good, the quality of the enlarged image is relatively high, and there will be no discontinuous pixel values. [0003] However, the shortcomings of the bilinear interpolation algorithm are also obvious. On the one hand, because of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40
CPCG06T3/4007
Inventor 甘靖
Owner UNIONTECH SOFTWARE TECH CO LTD
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