Image Annotation

Over the weekend, I had some fly time to work on my image annotation application. I had asked for a bit of help on the way to get input in Python, and sbp pointed me towards “raw_input()”, which is what my application is based around.

Originally, it was going to be written using the Redland python bindings. I had prepared myself for the flight by installing Redland, and browsing a bunch of pages with annotation examples, which Slogger grabbed for me and stuck into a local log. With this, I thought I was prepared. So, I got on the plane, got past 10,000 feet, opened the laptop, executed my program (I already had about 20 lines of code)… and smacked myself in the head as it complained that there was no module RDF.

You see, Redland has two parts: the library itself and the language bindings. You kinda need both for working in Python.

So, after a little bit of thinking, I remembered that I had installed rdflib for testing of n3p, and decided that I would convert my existing code to that. In about 15 mintues, I was back up and running.

The program is simple, although it’s still lacking some important functionality. It basically just asks a series of questions about the image you tell it to annotate. Sample program input is available, as well as the sample output, and the sample passed through cwm to demonstrate how it looks when cleaned up.

You’ll notice that there’s data there that I didn’t enter: that data is brought in from a FOAF file. This file is only specified in the code at the moment. The code intelligently works on the name you give and checks for either a nickname or name matching: if there are multiples, it provides you a list from which you can choose a number given. In any entry form, you can just skip enter to either accept the default or skip past it.

The source is available, as This source code is messy, the way it’s laid out is very procedural, and you’ll have to modify things inside the code in order to get it to work for you. (Specifically, the foaf.rdf file is hardcoded to the location of mine.) The wordnet features are the newest and the least complete. I’m going to continue working on it, and the application is not considered even alpha-level release yet. However, I know that other people are interested in the arena, so feel free to take the code. You will need RDFLib to run it. It is MIT licensed. Share and enjoy!

Comments are closed.