Title:
IMAGE EDGE DETECTION METHOD, IMAGE PROCESSING DEVICE, AND COMPUTER STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2020/051746
Kind Code:
A1
Abstract:
Disclosed in the present application are an image edge detection method and device, and a computer storage medium. The method comprises: acquiring an adjacent area difference degree of each pixel point in a first detection area of an image, and extracting first edge points on the basis of the adjacent area difference degrees; determining a second detection area according to the first edge points, wherein the second detection area is smaller than the first detection area; performing an enlargement process on the adjacent area difference degree of each pixel point in the second detection area and extracting second edge points on the basis of the adjacent area difference degrees that have undergone the enlargement process; and determining edges of the image according to the first edge points and the second edge points. The method of the present application can accurately detect weak edges in an image.
Inventors:
YANG GUANG (CN)
Application Number:
PCT/CN2018/104892
Publication Date:
March 19, 2020
Filing Date:
September 10, 2018
Export Citation:
Assignee:
SHENZHEN A & E INTELLIGENT TECH INSTITUTE CO LTD (CN)
International Classes:
G06T7/00
Foreign References:
| CN107292897A | 2017-10-24 | |||
| CN104700421A | 2015-06-10 | |||
| CN104809800A | 2015-07-29 | |||
| US9014265B1 | 2015-04-21 |
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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