Skip to main content

Open CV : Program to display an image

Now I will show a program to display an image with C++ in OpenCV.

Open a new project in Visual C++ and open a Win32 console program file. Add the required library file as I have shown in my previous post.
Here is a program to read a picture file from a location in your system and display the picture.

Add the required header files as shown below and execute the program by pressing F5 .


Here I am showing the output of the above program.



Now you have understood the basics of running a OpenCV program with Visual C++.
I will explain more in coming posts.Stay with me....

Comments

Post a Comment

Popular posts from this blog

UNIX : How to ignore lines with certain names

Sometimes we need to ignore multiple lines with certain words and get the list out of the file. usually it will be a log file to read . The below grep command can be used to ignore multiple words present in a text file. Lets say the file contain $ cat list.txt apple orange apple banana papaya Now we need to ignore line with orange , banana and papaya . So we can use the below grep command. $ cat list.txt | grep -Ev "orange|banana|papaya" apple apple It will ignore lines with the words in -v part of grep.

UNIX : unpack and pack using tar

Tarball or tar is a utility in linux to unpack or pack the files. Lets say we have a file name hello.tar.gz which is packed and compressed. To unpack the file use the below command > tar xvzf hello.tar.gz This is unpack the compressed tarball file to the directory hello in current location. To pack a list of files to a compressed tarball file , we can follow the below steps. Let say we have the following list of files in Hello directory. > cd Hello > ls helloworld.py README.txt Move back to parent directory and give the below command. > cd .. > tar zcvf hello.tar.gz Hello This will create the compressed tar file in the current location