Title:
IMAGE SEGMENTATION METHOD, APPARATUS AND DEVICE, AND A MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/212913
Kind Code:
A1
Abstract:
An image segmentation method, apparatus and device, and a medium. Said method comprises: performing first segmentation on a target grayscale image to obtain a first sub-image set, the target grayscale image being a grayscale image of a target color image (S11); using a grayscale histogram of each first sub-image in the first sub-image set to determine that corresponding target grayscale data comprises a grayscale mean value, the maximum grayscale value and the minimum grayscale value (S12); using the target grayscale data to determine whether the first sub-image satisfies a preset segmentation condition (S13); if so, performing second segmentation on the first sub-image to obtain a second sub-image set (S14); using a maximum inter-class variance method of OTSU to respectively perform binarization processing on a second sub-image in the second sub-image set and the first sub-image, which is not subjected to the second segmentation, to obtain a corresponding first binarized image (S15); and using the first binarized image to perform watershed segmentation to obtain a segmented image (S16). The present invention is able to avoid target missing during image segmentation and improve the effectiveness of image segmentation.
Inventors:
HUA JING (CN)
Application Number:
PCT/CN2020/141617
Publication Date:
October 28, 2021
Filing Date:
December 30, 2020
Export Citation:
Assignee:
HANGZHOU TUYA INFORMATION TECH CO LTD (CN)
International Classes:
G06T7/136; G06T7/11; G06T7/187; G06T7/194
Foreign References:
| CN111223115A | 2020-06-02 | |||
| CN109816681A | 2019-05-28 | |||
| CN109559318A | 2019-04-02 | |||
| CN106157323A | 2016-11-23 | |||
| US20140294318A1 | 2014-10-02 |
Other References:
T. ROMEN SINGH, SUDIPTA ROY, O. IMOCHA SINGH, TEJMANI SINAM, KH. MANGLEM SINGH: "A New Local Adaptive Thresholding Technique in Binarization", IJCSI INTERNATIONAL JOURNAL OF COMPUTER SCIENCE, vol. 8, no. 6, 30 November 2011 (2011-11-30), pages 271 - 277, XP055860873, ISSN: 1694-0814
WU WENYI;CUI CHANGCAI;YE RUIFANG;ZHANG YONGZHEN;YU QING: "Image Segmentation Method Using Second Time Gray Level Histogram of Connected Component Labeling of Grinding Wheel Abrasives Grains", JOURNAL OF HUAQIAO UNIVERSITY (NATURAL SCIENCE), vol. 37, no. 4, 20 July 2016 (2016-07-20), pages 422 - 426, XP055860876, ISSN: 1000-5013, DOI: 10.11830/issn.1000-5013.201604006
WU WENYI;CUI CHANGCAI;YE RUIFANG;ZHANG YONGZHEN;YU QING: "Image Segmentation Method Using Second Time Gray Level Histogram of Connected Component Labeling of Grinding Wheel Abrasives Grains", JOURNAL OF HUAQIAO UNIVERSITY (NATURAL SCIENCE), vol. 37, no. 4, 20 July 2016 (2016-07-20), pages 422 - 426, XP055860876, ISSN: 1000-5013, DOI: 10.11830/issn.1000-5013.201604006
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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