webcam_capture

Just webcam capture see in webcam_capture

Tips

https://wiki.archlinux.org/index.php/webcam_setup

http://www.linuxintro.org/wiki/Set_up_a_Webcam_with_Linux

CODE

There are the following functions:

0. obtain_intensity(input image) -> it returns the intensity of the central pixel of the input image.
1. draw_blue_point(input image) -> it returns an image with its central pixel in blue;
2. green_rectangle(input image,rectangle width, rectangle height) -> it returns an image with a green color rectangle on its center;
3. convert_gray(input image, rectangle width, rectangle height) -> it returns an image with a grayscale color rectangle located in the center of the image;
4. inversion(input image,rectangle width,rectangle height)-> it returns an image with a inverted color rectangle located in the center of the image;

Adding color filtering.

5. blue_filtering(input image,int width, int height) -> it returns the input image with blue filtration;
6. red_filtering(input image,int width, int height)) -> it returns the input image with red filtration;
7. green_filtering(input image,int width, int height)) -> it returns the input image with green filtration;

Output

It obtains the following images:

1. Images with a changed rectangle: original image, grayscale rectangle, inverted rectangle;
2. Images with a filtering: blue, red, green;

Run the code

1. Make a new directory named build
2. go to build and execute cmake .. and then make.
3. Run file ./webcam_capture - (you have to have a webcam previously installed).