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Method for generating image transformation matrix as well as image transformation method and device

A technology of image conversion and conversion matrix, which is applied in the field of two-dimensional image conversion technology, and can solve the problems of excluding three-dimensional image conversion and low cost

Inactive Publication Date: 2011-11-09
ALICORP
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although the current image processing device is relatively simple and low in cost, it can only perform image processing such as two-dimensional plane rotation and zooming, and does not include the function of three-dimensional image conversion.

Method used

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  • Method for generating image transformation matrix as well as image transformation method and device
  • Method for generating image transformation matrix as well as image transformation method and device
  • Method for generating image transformation matrix as well as image transformation method and device

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Embodiment Construction

[0041] In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail together with the accompanying drawings.

[0042] Please refer to figure 1 and figure 2 , figure 1 is a block diagram of an image conversion device 100 according to the first embodiment of the present invention, figure 2 is a schematic diagram of converting the source image SI to the target image DI according to the first embodiment of the present invention. The image conversion device 100 includes an image conversion unit 110 and an output unit 120 . The image conversion unit 110 generates a 3D rotation matrix according to the 3D rotation angle, and projects the 3D rotation matrix onto a 2D plane to generate a 2D rotation matrix. Moreover, the image conversion unit 110 calculates and generates a source position SP corresponding to the target position DP from the target position DP in the target image...

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Abstract

The invention provides a method for generating an image transformation matrix as well as an image transformation method and device. The image transformation device can generate one three-dimensional rotation matrix in accordance with a three-dimensional rotation angle; the three-dimensional rotation matrix is projected to a two-dimensional plane to generate a two-dimensional rotation matrix; and according to the two-dimensional rotation matrix and an affine transformation matrix, a target position in a target image is calculated to generate a source position corresponding to the target position, wherein the source position is located in a source image, and the affine transformation matrix is used for carrying out displacement, zoom and rigid body deformation on the target image. The source position and a source pixel nearest to the source position are utilized to generate pixel data. The pixel data are received to be taken as a target pixel value of the target position so as to generate the target image.

Description

technical field [0001] The present invention relates to an image conversion technology, and in particular relates to a two-dimensional image conversion technology which converts images in real time and makes the converted images have a three-dimensional effect. Background technique [0002] Electronic products often use icons in user interfaces or display two-dimensional (2D) images such as photos and videos. Some electronic products perform three-dimensional (3D) transformations such as rotation, movement, and zooming on images, so that users can appreciate and browse images more conveniently, or add a sense of novelty. [0003] Existing 3D image conversion technologies mainly use commercial software to process images, such as Open Graphics Library (OpenGL), etc., which allow images to have 3D images such as depth of field, solid body rotation, and stereo scaling. Effect. However, when images are processed by complex software such as open graphics libraries, many componen...

Claims

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Application Information

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IPC IPC(8): H04N5/14H04N13/02
Inventor 纪富中高世璋方建翔
Owner ALICORP
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