Find visually similar images by image upload with PHP and MYSQL

  • Status: Closed
  • Hadiah: $100
  • Penyertaan diterima: 6
  • Pemenang: Serge755

Ringkasan Peraduan

Hello everyone!
I need a code that will allow searching image database by uploading an image.
Attached is a zipped folder of about 2,000 stone images that you can use for testing.
I'm thinking about this approach:
1. Hash the image data for each file and store it in the database.
2. Once the image is uploaded (for searching), the hash will be created.
3. Run MYSQL query to find the closest matches.
If you have a different approach in mind, please feel free to try.

Please note that some of the images will have a partially white background, we need to disregard (ignore) that. Possibly crop the white background out.
The images provided are all square, the images that will be uploaded for search may have different aspect ratios.
Also, the SQL query for searching similar images is very important as we may have over 100,000 images in the database at some point.

I'm hoping to have it done with no external libraries (GD and ImageMagic is fine)
I also need to have a variable accuracy setting so I can adjust for best results.

I don't really need any UI at this point, as long as we can test the code.

Once at least one working solution will be submitted, I will set this contest as Guaranteed.
Good luck, please feel free to message me with any questions.

*********UPDATE************
I have attached a zipped folder with a few images that can be used for performing the test search.
Please note that we would need to disregard the aspect raion of the images.
What I'm really after is the matches with the similar color and texture pattern.

Kemahiran Disyorkan

Maklum balas Majikan

“Sergey have done a great work on the project. Very happy with the resullts.”

Gambar Profil ashevillemnt, United States.

Penyertaan teratas dari peraduan ini

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Papan Penjelasan Umum

  • ashevillemnt
    Penganjur Peraduan
    • 2 minggu yang lalu

    Congratulations Sergey!
    Thanks, everyone for your effort, I really appreciate it!
    While there is still room for improvement, Sergey's solution produces the most accurate results!

    • 2 minggu yang lalu
  • cram3632
    cram3632
    • 2 minggu yang lalu

    can I use GD or ImageMagic

    • 2 minggu yang lalu
    1. ashevillemnt
      Penganjur Peraduan
      • 2 minggu yang lalu

      sure, either one would be fine.

      • 2 minggu yang lalu
  • daniyalhussain96
    daniyalhussain96
    • 2 minggu yang lalu

    Can we use md5 algorithm for hashing?

    • 2 minggu yang lalu
    1. ashevillemnt
      Penganjur Peraduan
      • 2 minggu yang lalu

      Sure, as long as we can store it in the database and search it.

      • 2 minggu yang lalu
    2. daniyalhussain96
      daniyalhussain96
      • 2 minggu yang lalu

      Okay, will upload it and let you know.

      • 2 minggu yang lalu
  • ceinj
    ceinj
    • 2 minggu yang lalu

    Do these images represent different angles and sizes?

    • 2 minggu yang lalu
    1. ashevillemnt
      Penganjur Peraduan
      • 2 minggu yang lalu

      These images are center crops from bigger images. We can disregard angles and sizes, what is important is that we match texture and color.

      • 2 minggu yang lalu

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