Research Article

A YOLOv3-Based Industrial Instrument Classification and Reading Recognition Method

Table 1

Results of the pointer meter reading function test.

Sample numberActual meter valuesSystem reading resultsAbsolute errorRelative error (%)

133.233.143097090.056902910.17
215.315.353458670.053458670.35
35.35.3112040240.0112040240.21
426.826.844053470.044053470.16
528.328.395440740.095440740.34
60000
77.57.5113024570.011302460.15
826.326.243097090.056902910.22
914.714.648909890.051090110.35
1033.433.362575120.037424880.11