Patent ID: 11948323
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 12:
13. The measurement method according to claim 12, wherein the determining the number of the tabs in the first direction according to the third foreground segmentation image comprises:
under the condition that a difference between ordinates of adjacent non-zero elements in a second column vector is greater than a first specified value, determining that the number of the tabs is 2, wherein the second column vector is composed of averages or sums of pixel values of respective rows of pixel points in the first direction in the third foreground segmentation image; or,
under the condition that a difference between ordinates of adjacent non-zero elements in the second column vector is less than or equal to the first specified value, determining that the number of the tabs is 1.