Perhaps time to get your SEO hats around the new VisualRank being brought in by Google. Read more @ http://www.theregister.co.uk/2008/04/28/google_unveils_pagerank_for_images/
That link stinks. I can't make the HP ad go away! Firefox 2.0.0.12 <EDIT>Ahh, I get it. Second try. You must leave the site, and then return. I guess the cookie they give you prevents the second serving of the ad. <EDIT>Nope, that wasn't it. I dumped my cookies, and still don't get the ad a second time. Weird. I like the idea. I get a lot of Google image traffic. I think that this can only help, for those whose actual images are what they say they are. The deceptive and inaccurate images will be pushed down in the image SERPs. Sounds much better to me. Sometimes I have to go through hundreds of images to find what I am looking for.
I think VisualRank seems like a great concept this will allow images that are well respected by google to gain a prominent position in the serp.
Lovely! But how exactly should we work now optimizing for Google image search? What kind of picture does Google expect to see for, say, fish? what if it is a close up?
Nearly a decade ago, Google unveiled an algorithm called PageRank, reinventing the way we search for web pages. Now, the company says, it has a technology that can do much the same for online image search. Last week, at the International World Wide Web Conference in Beijing, two Google-affiliated researchers presented a paper called "PageRank for Product Image Search," trumpeting a fledging algorithm that overhauls the primitive text-based methods used by the company's current image search technologies. "Our experiment results show significant improvement, in terms of user satisfaction and relevancy, in comparison to the most recent Google Image Search results," Shumeet Baluja and Yushi Jing tell the world from the pages of their research paper, available here. Of course, the most recent Google Image Search results are often rubbish. Currently, when ranking images, the big search engines spend little time examining the images themselves. Instead, they look at the text surrounding those images. By contrast, Google's PageRank for Product Image Search - also known as "VisualRank" - seeks to actually understand what's pictured. But the technology goes beyond classic image recognition, which can be time consuming and/or expensive - and which often breaks down with anything other than faces and a handful of other image types. In an effort to properly identify a wider range of objects, Baluja and Jing have merged existing image processing techniques with the sort of "link analysis" made famous by PageRank. "Through an iterative procedure based on the PageRank computation, a numerical weight is assigned to each image," they explain. "This measures its relative importance to the other images being considered." With classic image recognition, you typically take a known image and compare it to other images. You might use a known photo of Paris Hilton, for instance, to find other Paris pics. But VisualRank takes a different tack. Google's algorithm looks for "visual themes" across a collection of images, before ranking each image based on how well it matches those themes. As an example, the researchers point to an image search on the word "McDonald's." In this case, VisualRank might identify the famous golden arches as theme. An image dominated by the golden arches would then be ranked higher than a pic where the arches are tucked into the background. Baluja and Jing recently tested their algorithm using images retrieved by Google's 2000 most popular product searches, and a panel of 150 people decided that VisualRank reduced the number of irrelevant results by 83 per cent. The question is whether this could be applied to Google's entire database of images. At the moment, this is just a research paper. And Google isn't the first to toy with the idea of true image search. After launching an online photo sharing tool that included face and character recognition, the Silicon Valley based Riya is now offering an image-rec shopping engine, known as Like.com, that locates products on sale across the web. And the transatlantic image rec gurus at Blinkx are well on their way with video search.
The whole post is copy and paste from, http://www.theregister.co.uk/2008/04/28/google_unveils_pagerank_for_images/ Atleast you should have written a line of comment by yourself instead just copying and pasting.
Only problem is they seem to target certain images for one topic. If you have mcdondalds and do not use golden arches your going to be ranked lower it seems