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Computer Vision with Python 3 by Saurabh Kapur

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Drilling Deeper into Features - Object Detection

A lot of times in a real-world situation, we have to compare two images, or search for an image of an object in a large database of images. An example could be Google Image Search, searching for a person's fingerprint in a defense organization's fingerprint database. Taking a simple difference of the image with all other images from the database will not give a desired solution as there could be distortions or other small variations in the image that will give non-zero output even for matching images. So how do we solve this problem? We need ways in which we are able to describe an image that is independent of the colors, scale, rotation angle, and affine transformations. In the context of ...

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