How can Google search in the image?

Question

Google recently launched a new image search function by image so that we can search for other images by loading the image into the google search box. How is this possible?

http://images.google.com

Answer 1

Take a look at WP: Content-Based Image Search . An example of an open source implementation that you can learn in-house is, for example, the GNU Image Search Tool .

Answer 2

If you click the Learn More link on the page you are linking to, you will find this explanation.

How it works

Google Google Images . " " , , , . , .

Answer 3

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