1. 1. Ms. Anjum Sheikh, PG Scholar – VLSI, BDCE Sevagram, Wardha, India and Prof. R. N Mandavgane, Professor, BDCE Sevagram, Wardha, India and Prof. D. M. Khatri, Associate Professor, BDCE Sevagram, Wardha, India “REVIEW ON CANNY EDGE DETECTION” IJAICT Volume 1, Issue 9, January 2015
   2. M.Rathod PG Student, ME Communication System, L.J. Institute of Engineering and Technology. “Edge Detection in VHDL”IEEE2014
   3. Qian Xu, Srenivas Varadarajan, Chaitali Chakrabarti, Fellow, IEEE, and Lina Karam, Fellow, IEEE “A Distributed Canny Edge Detector: Algorithm and FPGA Implementation” IEEE Transactions On Image Processing, VOL. 23, NO. 7, JULY 2014
   4. W. He and K. Yuan, “An improved canny edge detector and its realization on FPGA,” in Proc. IEEE 7th WCICA, Jun. 2008, pp. 6561–6564.IEEE Industrial Electronics, IECON 2006 - 32nd Annual Conference , pp 3328- 3331, November 2006
   5. Pierluigi Carcagnì, Marco Del Coco, Marco Leo and Cosimo Distante, “Facial expression recognition and histograms of oriented gradients: a comprehensive study”, SpringerPlus (2015) 4:645
   6. Sajid Ali Khan, Sohaib
   7. Shabbir, Rabia Akram, Nouman Altaf 2, M. Owais Ghafoor , Muhammad Shaheen “ Brief review of facial expression recognition techniques” International Journal of Advanced and Applied Sciences, 4(4) 2017, Pages: 27- 32
   8. A. D. Chitra, Dr. P. Ponmuthuramalingam,"An Approach for Canny Edge Detection Algorithm on Face Recognition" International Journal of Science and Research (IJSR) ISSN (Online): 2319-7064
   9. Ranjana Sikarwar, Pradeep Yadav, " An Approach to Face Detection and Feature Extraction using Canny Method", International Journal of Computer Applications (0975 – 8887) Volume 163 – No 4, April 2017
   10. Manar M. F. Donia,Aliaa A. A. Youssif, & Atallah Hashad, "Spontaneous Facial Expression Recognition Based on Histogram of Oriented Gradients Descriptor"
   11. Navneet Dalal and Bill Triggs, "Histograms of Oriented Gradients for Human Detection", INRIA RhoneAlps, 655 avenue de l'Europe, Montbonnot 38334, France