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Image processing apparatus and segmentation method

一种图像处理装置、区域分割的技术，应用在从图像提取期望的区域领域，能够解决处理成本高、提取到错误区域等问题，达到高精度区域分割处理、高速且区域分割处理的效果

Active Publication Date: 2015-09-16
OMRON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Since the above-mentioned existing technologies all take the whole image as the processing object to perform segmentation processing, the processing cost is high, and there is also the possibility of extracting the wrong area.

Method used

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  • Image processing apparatus and segmentation method

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Embodiment Construction

[0034] The image processing device 100 according to this embodiment acquires an image via a network or a storage medium, and performs various image processing including region division processing on the acquired image. In this embodiment, in particular, an image processing device 100 dedicated to region segmentation processing for extracting a region of a human body from an image will be described.

[0035] (structure)

[0036] figure 2 It is a schematic configuration diagram of the image processing device 100 according to the embodiment of the present invention. refer to figure 2 The image processing device 100 includes a CPU (Central Processing Unit, Central Processing Unit) 101 as an arithmetic processing unit, a main memory 102 as a memory unit, a hard disk drive (HDD) 103, an input interface 105, a display controller 106, and a communication interface 108 , Data reader 109. These respective parts are connected via the bus B so as to enable data communication with ea...

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Abstract

An image processing apparatus for extracting an area of a detection target from an image, the apparatus including: an image input section configured to acquire an image; an image generation section configured to generate a plurality of images with different resolutions from the image; and a segmentation section configured to perform segmentation using the plurality of images with the different resolutions, the segmentation section segmenting an image with a low resolution and then segmenting an image with a high resolution, using, as a processing target area, an area in the image with the high resolution corresponding to an area near a boundary resulting from processing of the segmentation of the image with the low resolution. This enables segmentation that is quicker and more accurate than in conventional techniques.

Description

technical field [0001] The present invention relates to techniques for extracting desired regions from images. Background technique [0002] It is known that a provided image is separated into a foreground (part to be extracted) and a background (other part) by computer-based digital image processing, which is called region segmentation (segmentation). technology. [0003] In region segmentation processing, high-speed and accurate segmentation is desired. In Patent Document 1, first, the resolution of the image is roughly set, and the resolution is increased while increasing the number of updates of the contour line. Here, when the contour line is updated, a new contour point is determined for a rectangular region having a predetermined width centered on a line segment connecting the reference point and the contour point within the region. [0004] In Non-Patent Document 1, images of a plurality of resolutions are prepared, and segmentation is performed sequentially from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/34H04N1/387G06V10/26
CPCG06K9/00362G06T2207/30201G06T7/0079G06K9/34G06T2207/10016G06K9/00228G06T2207/20144G06T7/11G06T7/174G06T7/194G06V40/10G06V10/26G06T7/12G06V40/161
Inventor 入江淳青木博松佐藤贵浩
Owner OMRON CORP