Video Processing using MATLAB software

Tutorial 1

%To get video information
%use above video material
clear all;
clc;
close all;
trafficObj = mmreader('S1.avi');
get(trafficObj)
implay('S1.avi');

Result in MATLAB Command Window

General Settings:
    Duration = 9.3401
    Name = S1.avi
    Path = D:\GeneralFiles\Researchgate_Upload\VideoProcessingTutorials\finalproject\S1
    Tag =
    Type = VideoReader
    UserData = []

  Video Settings:
    BitsPerPixel = 24
    FrameRate = 11.4560
    Height = 320
    NumberOfFrames = 107
    VideoFormat = RGB24
    Width = 480

Tutorial 2

%To track an object and measure its speed

%Track object a bus and a bike

%use the above video

clear all;

clc;

close all;

trafficObj = mmreader('S1.avi');

get(trafficObj)

implay('S1.avi');

%darkCar = rgb2gray(read(trafficObj,73));

Bike_Person = read(trafficObj,73);

imshow(Bike_Person)

Bus = read(trafficObj,41);

figure

imshow(Bus)

nframes = get(trafficObj, 'NumberOfFrames');

I = read(trafficObj,1);

taggedbike = zeros([size(I,1) size(I,2) 3 nframes], class(I));

taggedBus = zeros([size(I,1) size(I,2) 3 nframes], class(I));

for k = 1 : nframes

     singleFrame = read(trafficObj,k);

      taggedbike(:,:,:,k) = singleFrame;

      taggedBus(:,:,:,k) = singleFrame;

     [m,n,C] = size(singleFrame);

     for i = 1:m

         for j = 1:n

             %To identify the bike person

                 if((singleFrame(i,j,1)>226)&(singleFrame(i,j,1)<248 bike="" div="" nbsp="" person="" tart="" to="" trace="">

                     if((singleFrame(i,j,2)>180)&(singleFrame(i,j,2)<210 div="">

                         if((singleFrame(i,j,3)>248)&(singleFrame(i,j,3)<255 div="">

                                taggedbike(i,j,1,k) = 255;

                                taggedbike(i,j,2,k) = 0;

                                taggedbike(i,j,3,k) = 0;

                         end

                     end

                 end                                                        %End of trace of bike person

             %To identify the Green Coded Tamilnadu State Transport

             %Corporation Bus [Covai Region]

                 if((singleFrame(i,j,1)>35)&(singleFrame(i,j,1)<58 bus="" div="" nbsp="" tart="" to="" trace="">

                     if((singleFrame(i,j,2)>86)&(singleFrame(i,j,2)<100 div="">

                         if((singleFrame(i,j,3)>81)&(singleFrame(i,j,3)<87 div="">

                                taggedBus(i,j,1,k) = 200;

                                taggedBus(i,j,2,k) = 200;

                                taggedBus(i,j,3,k) = 10;

                         end

                     end

                 end                                                        %End of trace Bus   

         end

     end

end

frameRate = get(trafficObj,'FrameRate');

implay(taggedbike,frameRate);

Bike_speed = Speed_Measurement(73,96,frameRate,40)

figure

imshow(Bike_Person)

title('Speed Measurement of Known object: Bike Person')

text(240,240,'20.6208 KMPH')

Results

                                              Figure 1: Bike person Identified

                                               Figure 2: Moving Bus

                                               Figure 3: Moving Bike- Speed Measurement