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Processing device and method for image interpolating

An image and image value technology, which is applied in the field of image interpolation processing devices, can solve the problems that users cannot predict the resolution of image data, and cannot decide the adjustment of resolution before display.

Inactive Publication Date: 2007-07-04
BEYOND INNOVATION TECH
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Problems solved by technology

[0002] In today's display devices, electronic screen systems are widely used in various products, such as digital cameras, LCD TVs, and LCD monitors, etc., and the image presentation and image sources usually have different resolutions, which users cannot predict Whether the resolution of the next image data conforms to the resolution set on the current system, so it is impossible to decide whether to adjust the resolution before displaying

Method used

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  • Processing device and method for image interpolating
  • Processing device and method for image interpolating
  • Processing device and method for image interpolating

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Embodiment Construction

[0014] In order for those skilled in the art to easily understand the technical content of the present application, please also refer to FIG. 1 , which shows a schematic diagram of interpolation according to a preferred embodiment of the present invention. Fig. 1 includes: P1 and P2 are the pixels 100 of the source image end, T is the slope vector 101 from P1 to P2, Pi is the image interpolation point 102 calculated by the present invention, and t is the interval gain factor 103 of the interpolation point.

[0015] The unary cubic equations are defined as:

[0016] v1(t)=2t^33t^2+1; Equation 1

[0017] v2(t)=-2t^3+3t^2; Equation 2

[0018] v3(t)=2t^3-3t^2+t; Equation 3

[0019] Define the slope factor:

[0020] T=P1-P2 Equation 4

[0021] t is the interval gain factor of the interpolation point

[0022] For example, 640 points need to be interpolated to 1280 points, then t=0.5, which is known from 640 / 1280

[0023] Pi is the calculated interpolation point:

[0024] It i...

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Abstract

An image distinguishability interpolating method uses two reference points, and calculates the interpolating point with two specific weight equations and a correcting equation. The specific weight of the two reference points can be determined by said two specific weight equations, and adjusted by product of correcting equation and difference of two reference points. The invention can achieve the image interpolating mode of any size, and protect sharp degree; the image can not be blurry for interpolation.

Description

technical field [0001] The present invention relates to an image interpolation processing device and its method, especially a zooming processing device and its method used in image resolution, which uses the cubic equation processing method and reduces the reference point of the slope to achieve good image quality and Reduce hardware resource design. Background technique [0002] In today's display devices, electronic screen systems are widely used in various products, such as digital cameras, LCD TVs, and LCD monitors, etc., and the image presentation and image sources usually have different resolutions, which users cannot predict Whether the resolution of the next image data conforms to the resolution set on the current system, so it is impossible to decide whether to adjust the resolution before displaying. [0003] For example: if the input image resolution is VGA mode (640×480), and the output terminal needs to be XGA mode (1024×768), the image resolution needs to be i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40
Inventor 钟贞健
Owner BEYOND INNOVATION TECH
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