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Image process apparatus and image pickup apparatus

一种图像处理装置、彩色图像的技术，应用在图像通信、彩色信号处理电路、图片信号发生器等方向，能够解决增加制造成本或尺寸等问题

Inactive Publication Date: 2006-11-22
SONY GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, increasing the manufacturing cost or size of the device

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  • Image process apparatus and image pickup apparatus
  • Image process apparatus and image pickup apparatus
  • Image process apparatus and image pickup apparatus

Examples

Experimental program
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Embodiment Construction

[0023] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0024]

[0025] figure 1 is a block diagram showing a main part of an image pickup device according to an embodiment of the present invention.

[0026] figure 1 The image pickup device shown in includes an optical block 11, a driver 11a, a CMOS image sensor (hereinafter, referred to as a CMOS sensor) 12, a timing generator (TG) 12a, an analog front end (AFE) circuit 13, a camera processing circuit 14, and a system controller 15.

[0027] The optical block 11 includes: a lens for focusing light from an object to the CMOS sensor 12; a driving mechanism for moving the lens to perform focusing or zooming; a shutter mechanism; and an iris mechanism. The driver 11 a controls the driving of mechanisms in the optical block 11 based on a control signal from the system controller 15 .

[0028] In the CMOS sensor 12, a photodiode (photogate circuit),...

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Abstract

Provided is an image process apparatus for processing a color image signal, including: an integration unit integrating at least one of each of color signals of the color image signal or a brightness signal obtained from the color image signal over at least one horizontal period; a normalization unit normalizing an integration value obtained by the integration unit and a difference between the integration values of adjacent fields or frames obtained by the integration unit; a frequency analysis unit extracting spectrum of output values of the normalization unit; a flicker component estimating unit estimating a flicker component from the spectrum extracted by the frequency analysis unit; an index generating unit calculating an index representing a degree that a photographing light source is estimated to a fluorescent lamp, based on an estimated result of the flicker component estimating unit; and a color balance control unit calculating a color balance control value of the color image signal according to the index from the index generating unit.

Description

technical field [0001] The present invention relates to an image processing device for processing color image signals and an image pickup device having an image processing function, in particular to an image processing device suitable for processing color image signals picked up by an XY address scanning type solid-state image pickup device device and image pickup device. Background technique [0002] In recent years, image pickup devices for picking up and storing images using a solid-state image pickup device such as a digital still camera or a digital video camera are widely used. As an image pickup device used for an image pickup apparatus, a charge-coupled device (CCD) image sensor is most commonly used. Recently, as the number of pixels of an image pickup device has increased, a complementary metal oxide semiconductor (CMOS) image sensor has attracted much attention. CMOS image sensors have the function of freely accessing image signals, and compared with CCD image s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/73H04N9/04H04N9/64
CPCH04N23/70H04N23/745H04N23/88
Inventor 石神光一朗野村博文木下雅也
Owner SONY GRP CORP