Creative Commons

Posts related to my work with Creative Commons.

At Seneca we showed that the Creative Commons registry is technically doable and we wrote software to show how. Now the project needs to be taken over by another organization interested in running it. We don’t have the infrastructure at Seneca to host it. I would love to one day see Wikimedia (perhaps via Wikidata) …

Continue reading CC Registry – Next steps

In this series: CC Registry – What it’s all about CC Registry – Architecture (this post) CC Registry – Next steps I’ll now describe the components making the registry possible. All the source code for this is open source and available from GitHub. Data Source When this goes into production – the images need to …

Continue reading CC Registry – Architecture

For some reason this doesn’t work out of the box. The official pHash 0.9.6 from phash.org won’t build on CentOS even though ffmpeg-devel is installed. I don’t even think this is the fault of pHash, I think the CentOS package is broken. When trying to build it I get: libtool: compile: g++ -DHAVE_CONFIG_H -I. -I.. …

Continue reading Building pHash 0.9.6 on CentOS 7

I’ve been considering a project idea for Seneca’s partnership with Creative Commons. For that idea to work I would need a tool to create perceptual hashes from images that: Give true positive results when comparing images that were resized, and/or their colours changed. Give very few (near zero percent) false positive results. Too many false …

Continue reading Perceptual hash comparison: pHash vs Blockhash: false positives