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How Canva efficiently removes duplicates from billions of images
T𝘄𝗶𝗻 𝗧𝗿𝗼𝘂𝗯𝗹𝗲𝘀: 𝗛𝗼𝘄 𝗖𝗮𝗻𝘃𝗮 𝗖𝗼𝗻𝗾𝘂𝗲𝗿𝘀 𝗕𝗶𝗹𝗹𝗶𝗼𝗻𝘀 𝗼𝗳 𝗜𝗺𝗮𝗴𝗲𝘀 𝘄𝗶𝘁𝗵 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆
🎯 #Refactor75 ➡Day41 #systemdesign #content #engineers
T𝘄𝗶𝗻 𝗧𝗿𝗼𝘂𝗯𝗹𝗲𝘀: 𝗛𝗼𝘄 𝗖𝗮𝗻𝘃𝗮 𝗖𝗼𝗻𝗾𝘂𝗲𝗿𝘀 𝗕𝗶𝗹𝗹𝗶𝗼𝗻𝘀 𝗼𝗳 𝗜𝗺𝗮𝗴𝗲𝘀 𝘄𝗶𝘁𝗵 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆
🎯 #Refactor75 ➡Day41 #systemdesign #content #engineers
Canva has more than 20 billion user-uploaded images, with 50 million uploaded daily.
Dealing with a large variety of media creates difficulties when it comes to moderating and minimizing unnecessary duplicate content
Dealing with a large variety of media creates difficulties when it comes to moderating and minimizing unnecessary duplicate content
To solve this problem, Canva uses perceptual hashing with an internally built reverse image search system
