Image Processing Apparatus And Method, And Program

An image processing device and image technology, applied in image data processing, image enhancement, image analysis, etc., can solve the problems of noise superposition, increase the background noise of composite images, etc., and achieve the effect of shadow balance and low noise

Active Publication Date: 2014-05-21
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, with the technique of Patent Document 2, the superimposition of multiple images captured by long-exposure photography results in the superimposition of the noise floor
Thus, during long-exposure photography, an increase in the number of images per unit of time increases the noise floor in the resulting composite image

Method used

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  • Image Processing Apparatus And Method, And Program
  • Image Processing Apparatus And Method, And Program
  • Image Processing Apparatus And Method, And Program

Examples

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Embodiment Construction

[0061] Embodiments of the present technology will be described below with reference to the drawings.

[0062] figure 1 is a diagram showing an exemplary structure of an imaging system according to an embodiment of the present technology. exist figure 1 In this example, an imaging system 10 is configured to include an active lighting device 11 , a subject 12 , a camera 13 , a tripod 15 and an ambient light source 16 . The camera 13 includes a display 14 .

[0063] figure 1 The imaging system 10 of the present invention is configured so that even an amateur user can easily capture a high-quality, aesthetically pleasing image like an image captured using a multi-light source lighting system.

[0064] The active lighting device 11 is easily moved by the user to any desired location. In this example, the stick-shaped active lighting device 11 is held by the user and moves in an arc, as shown by the dotted arrow in the figure. In this way, just by holding the active lighting d...

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Abstract

There is provided an image processing apparatus that includes an ambient-light image obtaining section, a cumulative image generation section, and a high-quality image generation section. The ambient-light image obtaining section obtains an ambient-light image in a first time range, the ambient-light image being an image of an object captured with a predetermined exposure time. The cumulative image generation section generates a cumulative image in a second time range, the cumulative image being obtained by cumulative addition of each pixel value in a plurality of images, the plurality of images being of the object sequentially captured with the predetermined exposure time. The high-quality image generation section generates a high-quality image, the high-quality image being obtained by subtracting a pixel value in the ambient-light image from a corresponding pixel value in a normalized image, the normalized image being the cumulative image normalized based on a total sum of the exposure time.

Description

[0001] References to related applications [0002] This application claims priority from Japanese Patent Application JP2012-246537 filed on November 8, 2012, the entire contents of which are incorporated herein by reference. technical field [0003] The present technology relates to an image processing apparatus, method, and program, and more particularly, to an image processing apparatus, method, and program that facilitate capturing an image of a subject with low noise, balanced shading, and enhanced texture without using a plurality of lighting devices . Background technique [0004] Professional photography studios use multi-light source lighting systems for imaging objects. With a multi-light source lighting system, by utilizing multiple lighting devices, the subject is imaged with desired shadows produced by light from various directions. The use of multi-light source lighting system enhances the texture of the subject and produces images with high viewing value. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/235H04N5/238G03B15/02G06T5/00
CPCG06T5/008G06T5/50G06T2207/20224G06T2207/10144H04N23/56H04N23/62H04N23/631H04N23/72H04N23/743
Inventor 塩谷浩之
Owner SONY CORP
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