Computer Vision Measurement of Pointer Meter Readings Based on Inverse Perspective Mapping

Computer Vision Measurement of Pointer Meter Readings Based on Inverse Perspective Mapping

A computer vision method for measuring multiple pointer meters is proposed based on the inverse perspective mapping. First, the measured meter scales are used as the calibration objects to obtain the extrinsic parameters of the meter plane. Second, normal vector of the meter plane can be acquired by...

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Bibliographic Details
Main Authors: Haojing Bao, Qingchang Tan, Siyuan Liu, Jianwei Miao
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Applied Sciences
Subjects:
computer vision
pointer meter
extrinsic parameters
perspective effect
Online Access:https://www.mdpi.com/2076-3417/9/18/3729

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