[1] Seo J, Chae S, Shim J et al. Fast contour-tracing algorithm based on a pixel-following method for image sensors[J]. Sensors, 16, 353(2016). http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4813928/

[2] Jordan H, Dyck W V, Smodic R. A co-processed contour tracing algorithm for a smart camera[J]. Journal of Real-Time Image Processing, 6, 23-31(2011). http://link.springer.com/article/10.1007/s11554-010-0182-5

[3] Zhou X Z, Chen Y, Hu W T. Tree traversal binary image boundary tracking algorithm based on cross-point[J]. Computer Applications and Software, 31, 230-232(2014).

[4] Hua W P, Zhao J F, Li M et al. Single image noise estimation based on image segmentation and scatter statistics of noise[J]. Laser & Optoelectronics Progress, 53, 041006(2016).

[5] Lu M T, Su X Y, Cao Y P et al. 3D shape reconstruction algorithms for modulation measuring profilometry with synchronous scanning[J]. Chinese Journal of Laser, 43, 0308006(2016).

[6] Chen W, Guo Q S, Fan W et al. A rapid algorithm on tracing edge of binary image and its application[J]. Engineering of Surveying and Mapping, 23, 63-66(2014).

[7] Cui F K, Zhang F S, Bai L et al. Using neighborhood points to trace edge of object[J]. Journal of Luoyang Institute of Technology, 22, 28-30(2001).

[8] Wang J, Lu Y P, Zhang Z H et al. A reptile method with memory and alterable window for image boundary tracking[J]. Chinese Journal of Scientific Instrument, 25, 483-486(2004).

[9] Wang F S, Qi G Q. Boundary tracking algorithm of objects in binary images[J]. Journal of Dalian Maritime University, 32, 62-64(2006).

[10] Zhou F L, Xu X M, Xiao Y et al. A new algorithm on objects boundary tracking of binary images[J]. Microcomputer Information, 23, 259-261(2007).

[11] Li Z P, Li P. Image segment contour tracking algorithm based on chain code and multithreading[J]. Microcomputer Applications, 27, 30-32(2011).

[12] Kuagoolkijgarn P, Koomsap P, Chansri N. A new algorithm for tracing nests of interconnected contours[J]. International Journal of Advanced Manufacturing Technology, 50, 717-727(2010). http://link.springer.com/article/10.1007/s00170-010-2540-7

[13] Milan S, Vaclav H, Roger B[M]. Image processing, analysis, and machine vision, 241(2015).

[14] Su L, Wu J J, Pang D. Panoramic sea-sky-line detection based on improved active contour model[J]. Acta Optica Sinica, 36, 1115003(2016).