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Image capturing apparatus, image processing method and recording medium

A camera device and image technology, applied in image communication, photography, television, etc., can solve problems such as complicated operations

Inactive Publication Date: 2013-01-23
CASIO COMPUTER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, as described above, in the case of generating a subject-cut image in which only the subject is extracted, since the subject-existing image and the background image are captured twice, it is necessary to press the shutter twice and the other complicated homework

Method used

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  • Image capturing apparatus, image processing method and recording medium
  • Image capturing apparatus, image processing method and recording medium
  • Image capturing apparatus, image processing method and recording medium

Examples

Experimental program
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Embodiment approach 1

[0019] figure 1 It is a block diagram showing a schematic configuration of the imaging device 100 according to Embodiment 1 of the present invention.

[0020] The imaging device 100 according to the first embodiment is based on a plurality of image frames f0 to fn ( Figure 4 A) to determine whether there is an object S in the background. Then, the imaging device 100 acquires a background image (a background image) P1 (a background image) P1 (refer to Figure 4 B) and subject-background images (subject-background images) P2 (refer to Figure 4 A). Further, the image pickup device 100 extracts the image including the subject S from the background image P2 including the subject based on the difference information of each pixel corresponding between the background image P1 and the background image P2 including the subject. area of ​​the subject within.

[0021] Specifically, as figure 1 As shown, the imaging device 100 includes: a lens unit 1, an electronic imaging unit 2, ...

Embodiment approach 2

[0107] Hereinafter, specific forms of Embodiment 2 of the present invention will be described with reference to the drawings. In addition, the imaging device according to Embodiment 2 has substantially the same configuration as the imaging device 100 according to Embodiment 1, and the different parts will be mainly described below.

[0108] Like Embodiment 1, the image processing unit 8 includes a judging unit 8 a for judging whether or not the subject S exists in the background based on a plurality of image frames cyclically stored in the image memory 5 . Specifically, based on a plurality of image frames sequentially photographed by the electronic imaging unit 2 and stored in the image memory 5, and according to a prescribed dynamic object analysis technique, the judgment unit 8a compares the relationship between the image frames before and after the time series. Each of them performs dynamic object detection. Furthermore, the determination unit 8 a determines that the subj...

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Abstract

An image capturing apparatus 100 comprises an electronic image capture subunit 2, a determiner 8a, an image acquisition control unit 8b and a subject image extractor 8c. The determiner 8a sequentially determines whether a subject image is present in each of the images captured sequentially by the image capture subunit 2. The image acquisition control unit 8b acquires a subject-present background image and a subject-absent background image based on the result of the determination by the determiner 8a. The subject image extractor 8c extracts the subject image from the subject-background image based on difference information between each pair of corresponding pixels of the subject-background image and the background image each acquired by the image acquisition control unit 8b.

Description

technical field [0001] The present invention relates to an imaging device, an image processing method, and a recording medium for photographing an object. Background technique [0002] Conventionally, a technique is known in which an image pickup device captures an image with a subject in the background and a background image without a subject, generates difference information from the background image and an image with a subject, and extracts only the subject. Technology of the object (for example, Japanese Patent Application Laid-Open No. 1998-21408). [0003] However, as described above, in the case of generating a subject-cut image in which only the subject is extracted, since the subject-existing image and the background image are captured twice, it is necessary to press the shutter twice and the other The homework is complicated. Contents of the invention [0004] Therefore, an object of the present invention is to provide an imaging device, an image processing met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225H04N5/14G03B7/08G03B15/00H04N5/232
CPCH04N5/232H04N23/80H04N23/951
Inventor 星野博之清水博村木淳市川英里奈
Owner CASIO COMPUTER CO LTD