APPARATUS AND METHOD FOR INSPECTING EXTERNAL APPEARANCE OF PRODUCT

Title:

APPARATUS AND METHOD FOR INSPECTING EXTERNAL APPEARANCE OF PRODUCT

Document Type and Number:

WIPO Patent Application WO/2024/063471

Kind Code:

A1

Abstract:

A method for inspecting the external appearance of a product, according to an embodiment of the present invention, may comprise the steps of: acquiring and preprocessing an image by capturing the external appearance of a target object; extracting, within the preprocessed image, a region to be inspected and performing brightness correction on the extracted region to be inspected; extracting a defective candidate group from the image of which brightness has been corrected; performing image post-processing on the extracted defective candidate group; and determining, from the post-processed image, whether or not the target object is defective.

Inventors:

JEON HYOSEUNG (KR)
KIM TAE YOUNG (KR)

Application Number:

PCT/KR2023/014038

Publication Date:

March 28, 2024

Filing Date:

September 18, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

G01N21/88; G06T3/40; G06T5/00; G06T7/00; G06T7/11; G06T7/90; G06V10/25

Foreign References:

JP2021131359A	2021-09-09
KR20220060080A	2022-05-11
JP2010066126A	2010-03-25
JP2009294087A	2009-12-17
JPH09264728A	1997-10-07