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Image interpolator combining plane interpolation and spherical surface interpolation and method

An interpolation method and combined technology, applied in image enhancement, image data processing, instruments, etc.

Inactive Publication Date: 2013-03-27
LUOYANG NORMAL UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the image interpolation problem of using a basis function or interpolation kernel to approximate and describe the source image existing in the existing image interpolation method

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  • Image interpolator combining plane interpolation and spherical surface interpolation and method
  • Image interpolator combining plane interpolation and spherical surface interpolation and method
  • Image interpolator combining plane interpolation and spherical surface interpolation and method

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Embodiment Construction

[0083] Here, the implementation examples of the present invention will be described in detail with reference to the accompanying drawings.

[0084] In the following description, for brevity, a detailed description including the known functions and configurations herein will be omitted.

[0085] In the following description in conjunction with the implementation examples of the present invention, specific details of image interpolation are shown. The description of these details is exemplary. Those skilled in the art should understand that it can be implemented without using the above specific details. this invention.

[0086] An image interpolation method combining plane interpolation and spherical interpolation, the steps are as follows:

[0087] (1). A digital image is equivalent to a point set in the spatial coordinate system, and the spatial relationship of 4 points around the point to be inserted is established to make the row coordinate of a pixel in a digital image , Column co...

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Abstract

The invention belongs to the technical field of image processing, which discloses an image interpolator combining a plane interpolation and a spherical surface interpolation and a method, wherein the image interpolator consists of a plane interpolation module and a spherical surface interpolation module; an input end of the plane interpolation module and the input end of the spherical surface interpolation module are respectively connected with an output end of an image local arbiter; and high resolution ratio image signal output ends of the plane interpolation module and the spherical surface interpolation module after image interpolation processing are connected with an image display or a storage. The method comprises the following steps: a digital image is equivalent to a point set in a space coordinate system; the space relation of four points around a point to be interpolated is built; the four points are on the same plane or on the same spherical surface; and the pixel value of the point to be interpolated is determined. The defects that the same primary function or interpolation kernel is adopted for approaching an original image in the traditional image interpolation method are avoided through the image interpolator and the method; and the invention has the advantages of the best image effects, clear images, high resolution ratio and zero distortion after the interpolation processing.

Description

technical field [0001] The invention belongs to the technical field of image processing, relates to an image interpolation method, and is widely used in image processing fields such as image display, image transmission, image analysis, image coding, image scaling, image rotation, and image target recognition, and more specifically for The invention relates to an image interpolator and method combining plane interpolation and spherical interpolation for obtaining the best image quality in digital cameras, digital video cameras, video players and LCD TVs. Background technique [0002] In digital image processing, image interpolation is the most basic and commonly used geometric operation. It is a regeneration process of image data, that is, image data with higher resolution is reproduced from original image data with lower resolution. , is the first important part of the resampling process in image processing, it can convert a discrete matrix into a continuous image, widely us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
Inventor 康牧张果郭岗于素萍毛伟伟陈向奎田斌李永亮宁宁王丹
Owner LUOYANG NORMAL UNIV
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