Image Matching / Visual Similarity - HTML MySQL Administration PHP
Elance - United States

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Create software which can match images of a flat 2d object such as a picture. Representations of a set of pictures will be stored in a database. This should scale so there is no limit on the number of such pictures stored. NOTE: We have significant database expertise and can work with you on the database specification.

An image can be used as input to determine the best matches from the database. Other non-visual criteria may be used in association with the pictures to help limit the search. ------------------------------------------ Added 4 APR 2013, 14:14 PM EDT I put some images online to use as a sample. They should be accessible at: /photos/113308092845788639435/albums/5863051692934438785?authkey=CM2mn5agtqauLA Right now there are 2 different objects.

Each has 3 photos. ------------------------------------------ Added 5 APR 2013, 12:31 PM EDT The search database should be based on the image features/descriptors vs. the actual images. Much of this problem is how to index/store the image descriptors.

We found one open source project that deals with this: imgseek.net The project involves two aspects: - Determining a method of obtaining descriptor information from an image. Within OpenCV, it appears that there are 4 different possible methods of this: SURF, FREAK, BRISK, ORB. - Creating a highly scalable method of storing the image descriptor such that a new image can be found within the stored ones. This could be accomplished by modifying/using something like imgseek, but the developer must understand how the code works, issues with it, and be able to customize.

------------------------------------------ Added 19 APR 2013, 10:13 AM EDT I added a high level description of the API expected from the project. Please feel free to ask questions concerning. ------------------------------------------ Added 22 APR 2013, 17:00 PM EDT Today, I added 188 additional images to the photos (see 4/4/2013 edit). Desired Skills: HTML MySQL Administration PHP

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