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Image processing method, system and terminal

A technology of image processing and image block, applied in the computer field, achieves the effect of simple implementation and convenient hardware implementation

Active Publication Date: 2013-02-13
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] However, when the above-mentioned Gaussian elimination method is used to analyze the 8-element equation system, due to the lack of hardware in floating-point operations, the existing image processing technology such as special effect transformation is not suitable for hardware implementation.

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  • Image processing method, system and terminal
  • Image processing method, system and terminal
  • Image processing method, system and terminal

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Embodiment Construction

[0067] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention.

[0068] It should be noted that, if there is no conflict, the embodiments of the present invention and various features in the embodiments can be combined with each other, and all are within the protection scope of the present invention. In addition, the steps shown in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, the sequence may be different. The steps shown or described are performed in the order herein.

[0069] The core idea of ​​the present invention is to divide the original image into several image blocks of th...

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Abstract

The invention discloses an image processing method, system and terminal, which are used for improving image-processing precision and belong to the technical field of computers. The method mainly comprises the following steps of: receiving an original image; setting a first direct and a second direction for the original image; processing the original image in the first direction into a plurality of first image blocks; respectively setting scaling for the plurality of first image blocks; respectively carrying out scaling processing on each first image block in the second direction according to the scaling of each first image block to obtain a plurality of second image blocks; and recombining the plurality of second image blocks to obtain a target image. Compared with the prior art, one embodiment of the invention can realize the condition that a rectangular image of any size is converted into a trapezoidal image so as to achieve three-dimensional image effects, therefore, the embodiment is easily realized, facilitates hardware realization and improves the image processing precision.

Description

technical field [0001] The present invention relates to computer technology, in particular to an image processing method, system and terminal. Background technique [0002] In image processing, there is a demand for 3D special effect transformation from rectangle to trapezoid. The transformation method usually used is matrix transformation, and the following coordinate transformation expression is used for coordinate transformation: [0003] u=(Ax+By+C) / (Gx+Hy+1) [0004] v=(Dx+Ey+F) / (Gx+Hy+1) (1) [0005] The conversion from plane coordinates (x, y) to texture coordinates (u, v) can be realized through the above expression (1). This conversion from plane coordinates to texture coordinates requires the determination of 8 parameters A--H. [0006] Transforming the above expression (1) can be transformed into the following expression (2): [0007] Ax+By+C-uxG-uyH=u [0008] Dx+Ey+F-vxG-vyH=v (2) [0009] If it is known that the four pairs of points from the original imag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00G06T3/40
Inventor 杨安荣谢巍毛兴中严小平
Owner LENOVO (BEIJING) LTD