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Electronic unit controlled by a photographing system including a pattern detection system

A shooting system and pattern technology, applied in the field of shooting systems, can solve the problem of increasing processing time and achieve the effect of reducing processing time

Inactive Publication Date: 2013-03-13
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This may result in increased processing time

Method used

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  • Electronic unit controlled by a photographing system including a pattern detection system
  • Electronic unit controlled by a photographing system including a pattern detection system
  • Electronic unit controlled by a photographing system including a pattern detection system

Examples

Experimental program
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no. 2 example

[0042] [1. First embodiment]

[0043] [Configuration example]

[0044] (Overall configuration example)

[0045]figure 1 An exemplary configuration of the display 1 according to the first implementation is illustrated. The display 1 detects a viewer looking at the screen, and controls the backlight based on the detection result. It is to be noted that the photographing system, the pattern detection system, and the electronic unit according to the embodiment of the present disclosure are implemented by the first embodiment, and thus will be described together.

[0046] The display 1 includes a control section 11 , a display drive section 20 , a liquid crystal display section 13 , a photographing section 14 , a face detection section 30 , a backlight drive section 16 and a backlight 17 .

[0047] The control section 11 is configured with a circuit that controls the display driving section 20 and the backlight driving section 16 based on the image signal Sdisp. In detail, the ...

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Abstract

A photographing system includes: a photographing section photographing a subject to acquire a frame image including a subject image; and a matching section repeats image search through pattern matching between a template image and a subject image while sequentially changing a size ratio of the template image to the subject image, and obtains one or more size ratios at which patterns match each other, in a certain order of image search, and holds a size ratio having a largest value among such obtained size ratios as a first size ratio, and thereafter performs image search in a manner that pattern matching is performed at a first frequency in a range of a size ratio equal to or larger than the first size ratio, and is performed at a frequency lower than the first frequency in a range of a size ratio smaller than the first size ratio. The photographing system may be used to control the backlight of a display, e.g. to switch on when a viewer or viewers is / are detected in the frame image.

Description

technical field [0001] The present disclosure relates to a photographing system having a pattern detection function, a pattern detection system used for the photographing system, and an electronic unit including the photographing system. Background technique [0002] In recent years, photographing systems such as cameras have been installed in various electronic units. As typified by a CMOS image sensor, an image pickup device configuring a photographing system has been gradually reduced in size. Such camera systems are used not only for stationary electronic units, but also for portable electronic units. [0003] In the electronics unit, the photographing system captures images not only for photographs but also for various applications. Examples of applications include a system for recognizing a user's face based on an image captured by a camera system. For example, Japanese Unexamined Patent Application Publication No. 2006-208558 discloses a camera that reduces the sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232G06F17/30G06T7/00H04N23/40
CPCH04N21/44218G09G3/3406G09G2330/021G09G2320/0626H04N21/4223H04N21/44008G06F1/3231H04N21/4415G06K9/6202H04N5/23219H04N1/00904H04N13/047H04N2201/0089G06F1/3265G06K9/00228Y02D10/00G06V40/165G06V10/751H04N23/611
Inventor 立石和也香月和也早矢仕真一阪井佑介鹤见辰吾
Owner SONY CORP
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