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Inspection point ammeter value identification method based on intelligent robot

A technology of an intelligent robot and a recognition method, applied in the field of image recognition, can solve the problems of a decrease in the recognition rate of the instrument, unable to take an image, and a low tolerance of the position error of the instrument recognition algorithm, so as to achieve improved accuracy, high instrument recognition accuracy, The effect of strong positioning error tolerance

Active Publication Date: 2018-02-23
JIANGSU ELECTRIC POWER CO +1
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Problems solved by technology

[0003] Due to the immature technology, the mechanical error [-1Rad, 1Rad] of the gimbal during the rotation process results in no images being captured; the instrument recognition algorithm has a low tolerance for position errors in image capture, resulting in a decline in the instrument recognition rate

Method used

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Embodiment

[0026] A method for identifying the value of an electric meter at an inspection point based on an intelligent robot in this embodiment, the execution steps are as follows:

[0027] 1) Shoot the standard image ImgStd of the inspection point; the robot moves to the designated position in the room autonomously, and sets the camera magnification Z, focus value F, horizontal angle H of the pan-tilt, and angle of the pan-tilt corresponding to the corresponding inspection point. Vertical angle V, and record the indoor position coordinates (PosX, PosY) of the current inspection point.

[0028] 2) Select the standard area ImgStdArea from the standard image ImgStd; the size of the standard area ImgStdArea is between [400*300, 800*700] pixels, and the meter area of ​​the inspection point is included in the standard area ImgStdArea.

[0029] 3) Establish the meter scale set (K, SV) of the inspection point, where Kϵ(1...n), SVϵ[0,2*π), K is the slope of the straight line where the pointer ...

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Abstract

The invention relates to an inspection point ammeter value identification method based on an intelligent robot, and belongs to the technical field of image identification. The method comprises following steps of 1) shooting a standard image; 2) selecting a standard region; 3) constructing an ammeter scale set; 4) generating a training data set; 5) carrying out training; 6) acquiring a to-be-identified image; 7) selecting a to-be-identified image small block; 8) determining the most similar image block; 9) determining a mapping relation; 10) determining an ammeter region in the to-be-identifiedimage; 11) obtaining a binary image; 12) fitting the binary image and determining an ammeter scale pointer; and 13) determining an ammeter value. According to the invention, the method has quite highpositioning error tolerance degree, and quite high instrument identification accuracy; the identification degree of an instrument is 60%; and after adopting the provided method, the accuracy is improved to around 99%.

Description

technical field [0001] The invention relates to an intelligent robot-based recognition method for electric meter values ​​at inspection points, belonging to the technical field of image recognition. Background technique [0002] With the development of science and technology and the deepening of intelligence, mechanized and intelligent equipment gradually replaces manual labor and is used in mechanized tedious work. Just like the inspection work of power equipment, the use of intelligent inspection robots for inspection work solves the potential safety hazards caused by the special environment of the power supply room and the possible mistakes and / or errors caused by manual inspections. [0003] Due to the immature technology, the mechanical error [-1Rad, 1Rad] in the rotation process of the gimbal leads to the failure to capture images; the instrument recognition algorithm has a low tolerance for position errors in image capture, resulting in a decline in the instrument rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46G07C1/20
CPCG07C1/20G06V10/48G06V10/40G06V10/507G06V10/467G06V10/44
Inventor 陈冰冰袁智育李祥段武军杨佳驹孔维远孙立振
Owner JIANGSU ELECTRIC POWER CO
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