[Solved] CAP4453:ROBOT VISION Assignment 1

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(5 points) Modify the Sobel program to do thresholding on the gradient magnitude output to find edge points, and run it on the image face05. Produce three output images: one showing the magnitude of the gradient, one black/white image showing where the magnitude exceeds a liberal (low) threshold so that all the correct edges are in, and the last one a black/white image showing where the magnitude exceeds a restrictive (high) threshold so that only true outline fragments are shown. You can use and modify the code in sobel.c from the web-page. Write your program in a manner such that it only has to run once to produce the three output images.

  1. (90 points) Write a program for the following. Implement the Canny edge detector to accept as input a value for sigma. Run it on garb34.pgm. Produce three output images: one showing the magnitude of the gradient (scaled to fit within the range 0 255), one black/white image showing where candidates (the peaks) exist, and the final black/white image showing the result of double-thresholding these candidates. Include code that automatically selects the HIGH and LOW thresholds. So, you will input to the program a percentage number that will be used to compute the thresholds. Print to the screen the values the program chooses for these thresholds. Run your program for sigma = 1.0, and show the output.

NOTE-1: All programs and images are available at www.cs.ucf.edu/courses/cap4453 NOTE-2: Be prepared to turn in and do a live-demo of the programs and show the output images.

  1. (5 points) Go to the Computer Vision Groups at

https://computervisiononline.com/blog/awesomecomputervisiongroups

Explore the site. Write two or three sentences for each of the following 15 members that you choose; choose 5 links from America, 5 links from Europe, and 5 links from Asia/MiddleEast. Your sentences should summarize what you saw at each site.

Hand in a hardcopy report (Max two pages).

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[Solved] CAP4453:ROBOT VISION Assignment 1
$25