Shichao Deng, Weiming Li, Yuhong Long, Xingyu Gao. Improved Algorithm for Boundary Tracking and Boundary Chain Code Acquisition of Binary Image[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061007
- Laser & Optoelectronics Progress
- Vol. 55, Issue 6, 061007 (2018)
Fig. 1. (a) Chain code representation; (b) coordinate representation
Fig. 2. Border representation
Fig. 3. Repeated search area
Fig. 4. Boundary point location
Fig. 5. Gray as a redundant area
Fig. 6. Algorithm flow chart
Fig. 7. Boundary chain search for redundancy
Fig. 8. Original binary image
Fig. 9. Boundary tracking result of Ref.[8]
Fig. 10. Boundary tracking result of Ref.[9]
Fig. 11. Boundary tracking result of proposed algorithm
Fig. 12. Inner hole image. (a) Original image; (b) tracking results of Ref.[9]; (c) tracking results of proposed algorithm
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Table 1. Comparison of the calculation times
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