Multiple object detection of workpieces based on fusion of deep learning and image processing

Yi Lei, Xifan Yao, Wocheng Chen, Junming Zhang, Jorn Mehnen, Erfu Yang

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Abstract

A workpiece detection method based on fusion of deep learning and image processing is proposed. Firstly, the workpiece bounding boxes are located in the workpiece images by YOLOv3, whose parameters are compressed by an improved convolutional neural network residual structure pruning strategy. Then, the workpiece images are cropped based on the bounding boxes with cropping biases. Finally, the contours and suitable gripping points of the workpieces are obtained through image processing. The experimental results show that mean Average Precision (mAP) is 98.60% for YOLOv3, and 99.38% for that one by pruning 50.89% of its parameters, and the inference time is shortened by 31.13%. Image processing effectively corrects the bounding boxes obtained by deep learning, and obtains workpiece contour and gripping point information.
Original languageEnglish
Number of pages6
Publication statusAccepted/In press - 19 Apr 2020
EventIEEE World Congress on Computational Intelligence 2020 - Glasgow, United Kingdom
Duration: 19 Jul 202024 Jul 2020
https://wcci2020.org/

Conference

ConferenceIEEE World Congress on Computational Intelligence 2020
Abbreviated titleWCCI
CountryUnited Kingdom
CityGlasgow
Period19/07/2024/07/20
Internet address

Keywords

  • manufacturing and industrial applications
  • applications of deep networks
  • workpieces detection
  • deep learning
  • pruning filters
  • image processing

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    Lei, Y., Yao, X., Chen, W., Zhang, J., Mehnen, J., & Yang, E. (Accepted/In press). Multiple object detection of workpieces based on fusion of deep learning and image processing. Paper presented at IEEE World Congress on Computational Intelligence 2020, Glasgow, United Kingdom.