LNMIIT DIP Winter Workshop 2011 Manohar Kuse INTRODUCTION

Outline What is Open. CV Installing Ubuntu Installing Open. CV Coding with Open. CV

What is Open. CV C++ Library for Image Processing and Computer Vision Developed by

Linux Vs. Windows Recommended : Install on Linux NOT Recommended : Open. CV on

Installing Linux http: //www. ubuntu. com/download/ubuntu/windows-installer LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Open. CV Installation Open Synaptic Package Manager LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Open. CV Installation Set Proxy LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Open. CV Installation Search & Install “opencv-dev” LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Sample Code Header Files #include <stdlib. h> #include <stdio. h> #include <math. h> #include

Sample Code Ipl. Image* img = 0; Declaration of opencv-image char * file. Name

Ipl. Image Height : img->height Width : img->width Channels : img->n. Channels � (Number

Sample Code Iterate through the Ipl. Image for(i=0; i<height; i++) { for(j=0; j<width; j++)

Sample Code cv. Named. Window("main. Win“, CV_WINDOW_AUTOSI ZE); Create a display window cv. Show.

Links Open. CV Introduction: http: //www. cs. iit. edu/~agam/cs 512/lect-notes/opencv-intro. html Open. CV E-Book:

Download “Open. CV Kit” – lnmiitdip. wordpress. com Contains � Instruction for compilation �

Thanks LNMIIT DIP Winter Workshop 2011. Manohar Kuse

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LNMIIT DIP Winter Workshop 2011. Manohar Kuse INTRODUCTION TO OPENCV

Outline What is Open. CV Installing Ubuntu Installing Open. CV Coding with Open. CV References for Open. CV LNMIIT DIP Winter Workshop 2011. Manohar Kuse

What is Open. CV C++ Library for Image Processing and Computer Vision Developed by Intel Can take advantage of multiple processors Developed for high performance Support for Web-cam, Microsoft Connect and other specialized cameras LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Linux Vs. Windows Recommended : Install on Linux NOT Recommended : Open. CV on Windows LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Outline What is Open. CV Installing Ubuntu Installing Open. CV Coding with Open. CV References for Open. CV LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Installing Linux http: //www. ubuntu. com/download/ubuntu/windows-installer LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Outline What is Open. CV Installing Ubuntu Installing Open. CV Coding with Open. CV References for Open. CV LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Open. CV Installation Open Synaptic Package Manager LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Open. CV Installation Set Proxy LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Open. CV Installation Search & Install “opencv-dev” LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Outline What is Open. CV Installing Ubuntu Installing Open. CV Coding with Open. CV References for Open. CV LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Sample Code Header Files #include <stdlib. h> #include <stdio. h> #include <math. h> #include <cv. h> #include <highgui. h> Sample code and compilation instructions : Opencv kit for download on “lnmiitdip. wordpress. com” LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Sample Code Ipl. Image* img = 0; Declaration of opencv-image char * file. Name = “file. png”; img=cv. Load. Image(file. Name); Load image as a struct LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Ipl. Image Height : img->height Width : img->width Channels : img->n. Channels � (Number Data � of channels) : img->image. Data (Array of size W x H x n. C LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Sample Code Iterate through the Ipl. Image for(i=0; i<height; i++) { for(j=0; j<width; j++) { for(k=0; k<channels; k++) { data[i*step+j*channels+k]=255 data[i*step+j*channels+k]; } } } LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Sample Code cv. Named. Window("main. Win“, CV_WINDOW_AUTOSI ZE); Create a display window cv. Show. Image("main. Win", img ); Show Image cv. Wait. Key(0); Give delay (Pause) LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Links Open. CV Introduction: http: //www. cs. iit. edu/~agam/cs 512/lect-notes/opencv-intro. html Open. CV E-Book: “Learning Open. CV” By Gary Bradski and Adrian Kaehler Official Site: http: //opencv. willowgarage. com/wiki/ LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Download “Open. CV Kit” – lnmiitdip. wordpress. com Contains � Instruction for compilation � Sample code � Video dataset LNMIIT DIP Winter Workshop 2011. Manohar Kuse

Thanks LNMIIT DIP Winter Workshop 2011. Manohar Kuse