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Image processing apparatus and method, program, and recording medium

An image processing device and image technology, which is applied in image data processing, image enhancement, image analysis, etc., can solve the problem of unrecoverable motion blur or out-of-focus blur images, etc., and achieve the effect of small circuit scale and suppression of artifacts

Inactive Publication Date: 2012-12-12
SONY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Although motion blur or defocus blur can be corrected to some extent according to a technique using a Wiener filter, which is one of conventional deconvolution methods, it may not be possible to restore the occurrence of motion blur or defocus even when the PSF is accurately known Blurs previous images and causes artifacts called ringing or ghosting

Method used

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  • Image processing apparatus and method, program, and recording medium
  • Image processing apparatus and method, program, and recording medium
  • Image processing apparatus and method, program, and recording medium

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Embodiment Construction

[0044] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Description will be made in the following order.

[0045] 1. Structure of image processing equipment

[0046] 2. Motion blur correction processing

[0047] 3. Addition of noise reduction function

[0048] 4. Addition of super-resolution processing function

[0049] 5. Example of Estimation Method of PSF

[0050] 6. Structure of image processing device that performs motion-blur correction only on motion-blurred subjects

[0051]

[0052] figure 1 is a block diagram showing an example of a functional configuration of an embodiment of an image processing apparatus to which the present technology is applied.

[0053] figure 1 The image processing device 11 executes a motion blur correction process of correcting motion blur of, for example, temporally continuous images received from an imaging device (not shown), and supplies the motion ...

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PUM

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Abstract

The invention relates to an image processing apparatus and an image processing method, an image processing program, and a recording medium. Provided is an image processing apparatus for correcting a motion blur or an out-of-focus blur of images continuous in time, including an extraction unit for extracting a frequency component not included in an image of interest using a predetermined filter from a corrected image in which the motion blur or the out-of-focus blur is corrected as an image temporally previous to the image of interest aligned with the image of interest, and a synthesis unit for synthesizing the frequency component extracted by the extraction unit with the image of interest.

Description

Background technique [0001] The present technology relates to an image processing apparatus and method, a program, and a recording medium, and more particularly, to an image processing system capable of correcting motion blur while suppressing artifacts such as ringing or ghosts. or out-of-focus image processing apparatus and method, program and recording medium. [0002] Modeling occurs in the captured image by convolving a two-dimensional impulse response (point spread function (PSF)) determined from the optical axis or the trajectory of the subject with the original image, based on camera or subject movement during exposure. Motion blur or out-of-focus blur in the image. Recently, techniques of deconvolution have been studied as a way of inverse convolution operations (that is, correcting motion blur or defocus blur). [0003] Although motion blur or defocus blur can be corrected to some extent according to a technique using a Wiener filter, which is one of conventional d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T2207/20201G06T2207/10016G06T5/00G06T5/50G06T5/003G06T5/73
Inventor 玉山研名云武文江山碧辉半田正树近藤雄飞
Owner SONY CORP
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