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Image processing apparatus, image processing method, and computer program

An image processing device and image processing technology, applied in the direction of a picture signal generator, a signal generator with a single pickup device, etc., can solve problems such as difficulty in obtaining correct results

Inactive Publication Date: 2006-07-19
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There was a problem that it was difficult to obtain correct results when hand movement or subject movement occurred between two shooting operations

Method used

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  • Image processing apparatus, image processing method, and computer program
  • Image processing apparatus, image processing method, and computer program
  • Image processing apparatus, image processing method, and computer program

Examples

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no. 1 example

[0077] First, an example of the configuration of an image processing apparatus will be explained with reference to FIG. 1 . The image processing device shown in FIG. 1 has an image capturing unit, and is illustrated as an example of a device for performing correction processing on data of an image captured by the image capturing unit. However, for example, the image processing apparatus of the present invention may receive image data stored in a storage unit such as a hard disk, and correct the input image. The image processing apparatus can perform correction processing not only on image data input via an image capturing unit but also on various types of input image data such as image data input via a storage device or a network. FIG. 1 shows one example of the configuration of the image processing apparatus of the present invention.

[0078] A detailed configuration of the image processing apparatus shown in Fig. 1 will be explained. As shown in Figure 1, the image process...

no. 2 example

[0168] Next, the configuration of the second embodiment of the present invention will be explained. As described in detail with reference to the flow in FIG. 5 of the first embodiment, in the false color pixel detection area setting process in step S103 in the flow in FIG. 2 , when the pixel position (x, y ) indicates a white-saturation pixel, in step S305, a false color pixel detection area (x 0 , x 1 ,y 0 ,y 1 ), and perform region detection from false-color pixels (x 0 , x 1 ,y 0 ,y 1 ) processing of detecting false color pixels (step S104 in FIG. 2 and the flow in FIG. 7 ).

[0169] In the processing of the first embodiment as described above, processing using preset false color image detection area determination information is used to set the false color image detection area (x 0 , x 1 ,y 0 ,y 1 ), the preset false color image detection area determination information such as a look-up table (LUT) in which a false color pixel detection area corresponding to an i...

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Abstract

An apparatus and method for efficiently executing a correction of false colors, such as purple fringe or the like, caused by chromatic aberration to produce and output high quality image data. White non-gradation pixels are detected from image data, and a false color pixel detected area is established around the detected white non-gradation pixels. In the established area, pixels having a color corresponding to the false color such as purple fringe or the like are detected, and the detected pixels are specified as false color pixels. The specified false color pixels are corrected based on a periphery pixel value. This arrangement allows an efficient detection of false color area of the purple fringe or the like occurring in the vicinity of the white non-gradation pixels, and also allows a partial pixel value correction, thereby allowing the production and output of high quality image data without affecting the whole image.

Description

technical field [0001] The present invention relates to an image processing device, an image processing method, and a computer program. Specifically, the present invention relates to an image processing apparatus, an image processing method, and a computer program for generating high-quality image data by correcting image data in which false colors are generated due to lens aberration, for example. Background technique [0002] For shooting with a video camera, various problems arise due to lens aberrations. Examples of typical chromatic aberrations include Seidel's 5 aberrations, which are monochromatic aberrations. This is 5 aberrations analyzed by Seidel in Germany and based on the spherical surface of the lens, and is a generic term for spherical aberration, coma aberration, astigmatic aberration, distortion aberration, and field curvature. In addition to those aberrations, known chromatic aberrations can cause serious problems. Chromatic aberration arises from the fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/07H04N23/12
Inventor 山田类大木光晴
Owner SONY CORP
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