Locating Car Frontal Mask

For database with car pictures we expect that the number-plate is correctly detected. We have two coordinates for every image with top-left corner of number-plate and bottom-right corner of number-plate.

Then we can establish orthogonal geometry with the origin in the top-left corner of number-plate. Then we cut a region surrounding the number-plate as depicted on figure 3.2 on page .

Figure 3.2: The number-plate is detected first. Then the surrounding rectangle is cut from the image