Computer Science ›› 2018, Vol. 45 ›› Issue (6A): 54-57.

• Review • Previous Articles     Next Articles

Research Review and Development for Automatic Reading Recognition Technology of Pointer Instruments

HAN Shao-chao,XU Zun-yi,YIN Zhong-chuan,WANG Jun-xue   

  1. School of Computer Science and Technology,Shandong Jianzhu University,Jinan 250101,China
  • Online:2018-06-20 Published:2018-08-03

Abstract: The technology of determining the reading of pointer instruments automatically is a hotspot of machine vision in recent years,which is also an important research content and advanced technology in the field of pattern recognition.After the general overview of the recognition technology of the pointer meters,the basic concept,fundamental and main research contents of automatic reading recognition technology of the pointer meters based on machine vision were introduced in this paper.The research status of this technology both at home and abroad was introduced.The latest progress of the image correction,detection of round contours,detection of the pointer and angle calculation was introduced.Finally,the key technology and the development direction of the automatic reading recognition technology were pointed out .

Key words: Hough transformation, Image refinement, Machine vision, Pointer instruments, Reading recognition, Tilt correction

CLC Number: 

  • TP216+.1
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