L1(intro)

L1(intro) - Introduction to Computer Vision CS / ECE 181B...

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Introduction to Computer Vision CS / ECE 181B Tuesday, April 4, 2006 Prof. B. S. Manjunath ECE/CS Department ± Course introduction and overview [thanks to Professor Matthew Turk, CS department for the slides] CS/ECE 181b 2 Web site http://www.ece.ucsb.edu/~manj/ece181b http://www.ece.ucsb.edu/~manj/cs181b • Last Time: – http://www.ece.ucsb.edu/~manj/ece181bS04
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CS/ECE 181b 3 Text Book • NO Text Book – Follow the classroom discussions – Handouts and Lecture slides • Reference Books (not required) – Forsyth and Ponce, “Computer Vision: A Modern Approach” (was the text used last year) – Nalwa, “A Guided Tour of Computer Vision”; a good introductory book for casual reading – Jain and Kasturi, “Machine Vision”; I used it in 1999. – Horn, “Robot Vision”. A classic, but outdated. CS/ECE 181b 4 This Quarter… Vision is unlike any other course you may have taken in engineering/science. There are MANY questions, very few answers! Remember this as we go through this subject. We are so familiar with seeing, that it takes a leap of imagination to realize that there are problems to be solved ---- Richard Gregory Seeing is believing –Gregory? Vision is a bag of tricks --- Ramachandran, UCSD
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CS/ECE 181b 5 Computer Vision • What is computer vision? “Making computers see” Nice sunset! “Extracting descriptions of the world from pictures or sequences of pictures” CS/ECE 181b 6 Seeing is believing…
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CS/ECE 181b 7 Computer Vision • Also known as image understanding , machine vision , computational vision • CV is about interpreting the content of images* – Field is 35-40 years old – Child of AI • Vision is easy, right? Just open your eyes! – No, it’s a hard problem! – Much of your very complex brain is devoted to doing vision – It involves cognition, navigation, manipulation and learning ± Not just simple “match a feature vector to a database” tasks CS/ECE 181b 8 HW #1 • Binocular vision (seeing with two eyes) is critical to human vision (and to most animals). I would like you to think about the “computational” issues involved in seeing with two eyes. Explain, in your own words, the problems that the human brain needs to solve in perceiving the images obtained from the left and the right eyes. – Keep your answer to no more than 3 pages, including figures, text, etc. – Turn in your h/w in the h/w box on the fifth floor of Engineering I. – Due: April 11, 2006, 5PM.
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CS/ECE 181b 9 Relation to other fields Image processing Pattern recognition Computer graphics Machine learning Probability and statistics Geometry Optics Perception AI, robotics CS/ECE 181b 10 Computer Graphics Image Output: Model Synthetic Camera Projection, shading, lighting models
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CS/ECE 181b 11 Computer Vision Model Output: Real Scene Cameras Images CS/ECE 181b 12 Aims of Computer Vision • Automate visual perception • Construct scene descriptions from images
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L1(intro) - Introduction to Computer Vision CS / ECE 181B...

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