US 11,948,323 B2
Measurement method and measurement apparatus
Weilin Zhuang, Ningde (CN); Guannan Jiang, Ningde (CN); and Annan Shu, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed on Apr. 5, 2023, as Appl. No. 18/131,282.
Application 18/131,282 is a continuation of application No. PCT/CN2022/108941, filed on Jul. 29, 2022.
Prior Publication US 2024/0037770 A1, Feb. 1, 2024
Int. Cl. G06K 9/36 (2006.01); G06T 7/194 (2017.01); G06T 7/62 (2017.01); G06T 9/00 (2006.01)
CPC G06T 7/62 (2017.01) [G06T 7/194 (2017.01); G06T 9/00 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A measurement method, comprising:
acquiring a first image and a second image of a target object, wherein the first image is acquired by a camera located on a non-backlight side of the target object, and the second image is acquired by a camera located on a backlight side of the target object; and
measuring the target object for size information according to the first image and the second image,
wherein the target object is an electrode plate, wherein the electrode plate comprises an electrode plate body and a tab, the tab comprises a body portion and a connecting portion, the electrode plate body extends along a first direction, the tab protrudes from the electrode plate body along a second direction, the body portion of the tab is connected to the electrode plate body via the connecting portion, the electrode plate body and the connecting portion are coated with an active substance, and the body portion is not coated with the active substance, the first direction is a conveying direction of the electrode plate, and the second direction is perpendicular to the first direction.