CS559: Computer Graphics Lecture 3: Digital Image Representation Li Zhang Spring 2008 Today Eyes Cameras Image as a discreet function What is image filtering? Modify the…

Edge Detection Edge detection Convert a 2D image into a set of curves Extracts salient features of the scene More compact than pixels Origin of Edges Edges are caused by…

CS 440 / ECE 448 Introduction to Artificial Intelligence Fall 2006 Instructor: Eyal Amir TAs: Deepak Ramachandran (head TA), Jaesik Choi Today: Computer Vision Vision tasks…

Edge Detection Edge detection Convert a 2D image into a set of curves Extracts salient features of the scene More compact than pixels Origin of Edges Edges are caused by…

Video Stitching Camera calibration Goal: estimate the camera parameters Version 1: solve for projection matrix Version 2: solve for camera parameters separately intrinsics…

Video Stitching Camera calibration Goal: estimate the camera parameters Version 1: solve for projection matrix Version 2: solve for camera parameters separately intrinsics…

Convolution A convolution operation is a cross-correlation where the filter is flipped both horizontally and vertically before being applied to the image: It is written:…