Sharma, Bhubneshwar, and Parul Mahajan. “Latest Trend of Variation of EDGE Detection and Object Detection With Pixel Level Variation and Their Comparison Algorithms”. International Journal of Advances in Scientific Research, vol. 1, no. 9, Oct. 2015, pp. 346-8, https://doi.org/10.7439/ijasr.v1i9.2461.