S Mandayam DIPECE Dept Rowan University Digital Image

S. Mandayam/ DIP/ECE Dept. /Rowan University Digital Image Processing ECE. 09. 452/ECE. 09. 552 Digital Image Fundamentals Dr. Shreekanth Mandayam Electrical & Computer Engineering Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University www. apple. com www. samsung. com

S. Mandayam/ DIP/ECE Dept. /Rowan University https: //www. bmw. com/ https: //ring. com/

S. Mandayam/ DIP/ECE Dept. /Rowan University https: //science. nasa. gov/missions/ranger

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University “Pillars of Creation” Eagle Nebula (M 16) Supernova remnant: Crab Nebula Galaxies from Ultra-Deep-Field Jupiter http: //hubblesite. org/

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University ABA E-13 B Font

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University Biometrics

S. Mandayam/ DIP/ECE Dept. /Rowan University Plan • What is an image? • Mathematical representation of monochromatic images • What is a digital image? • Digital image processing • Fundamental steps • Why do we need this? • • Course logistics Self-Assessment Test Sampling & Quantization Pre-Lab 1

S. Mandayam/ DIP/ECE Dept. /Rowan University Images column Sample f(x, y) Quantize y x row

S. Mandayam/ DIP/ECE Dept. /Rowan University Digital Image y x f(x, y) Gray Level

S. Mandayam/ DIP/ECE Dept. /Rowan University Color Images M R B W Y C G Mixtures of Light: Additive Primaries

S. Mandayam/ DIP/ECE Dept. /Rowan University B B G G R R R+G+B B B G G R R+G+B R R+G+B

S. Mandayam/ DIP/ECE Dept. /Rowan University RGB Color Space

S. Mandayam/ DIP/ECE Dept. /Rowan University Fundamental Steps Preprocessing Problem Domain Image Acquisition Segmentation Knowledge Base Representation & Description Recognition & Interpretation Result

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University

S. Mandayam/ DIP/ECE Dept. /Rowan University The Human Eye

S. Mandayam/ DIP/ECE Dept. /Rowan University Perceived Brightness

S. Mandayam/ DIP/ECE Dept. /Rowan University Perceived Contrast

S. Mandayam/ DIP/ECE Dept. /Rowan University Optical Illusions

S. Mandayam/ DIP/ECE Dept. /Rowan University DIP: Details

S. Mandayam/ DIP/ECE Dept. /Rowan University DIP: Course Logistics http: //users. rowan. edu/~shreek/spring 20/dip/

S. Mandayam/ DIP/ECE Dept. /Rowan University Sampling & Quantization • Sampling demos/demo_sampling. m • Quantization demos/demo_quant. m

S. Mandayam/ DIP/ECE Dept. /Rowan University Standard Images The Lena Image

S. Mandayam/ DIP/ECE Dept. /Rowan University Standard Images Losing Lena: https: //vimeo. com/372265771 We will not use the Lena image in this class

S. Mandayam/ DIP/ECE Dept. /Rowan University Pre-Lab 1: Intro to Matlab IP Toolbox http: //users. rowan. edu/~shreek/spring 20/dip/labs/ prelab 1. html

S. Mandayam/ DIP/ECE Dept. /Rowan University Summary