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| Version 1 | Version 2 |
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| Does Prezza look like Renee Zellweger? | Does Prezza look like Renee Zellweger? |
| (10 minutes later) | |
| Any resemblance is very subtle | Any resemblance is very subtle |
| Google has launched a new image function, which means people can look for pictures that the search engine thinks are similar. How accurate is it? The Magazine puts it to the test. | Google has launched a new image function, which means people can look for pictures that the search engine thinks are similar. How accurate is it? The Magazine puts it to the test. |
| Pictures of famous people that look alike generate thousands of viral e-mails and much merriment is had between friends at the expense of Footballer X and Minister Y's wife. | Pictures of famous people that look alike generate thousands of viral e-mails and much merriment is had between friends at the expense of Footballer X and Minister Y's wife. |
| Now Google is developing a modification to its image search that matches pictures of anything - person, item, scene - to others that are visually similar. | Now Google is developing a modification to its image search that matches pictures of anything - person, item, scene - to others that are visually similar. |
| "It can be hard to find images you're looking for because it's hard to describe with words," says a Google spokesman. | "It can be hard to find images you're looking for because it's hard to describe with words," says a Google spokesman. |
| "This uses a mixture of everything. Words are in there, plus the technology that analyses part of an image and compares that to other parts of images. There are many variables that go into it, like colour and shape. | "This uses a mixture of everything. Words are in there, plus the technology that analyses part of an image and compares that to other parts of images. There are many variables that go into it, like colour and shape. |
| "People are used to searching what they are looking for with text but this is essentially saying you can't describe it but you know when you see it." | "People are used to searching what they are looking for with text but this is essentially saying you can't describe it but you know when you see it." |
| The tool is still being developed but feedback is welcome | The tool is still being developed but feedback is welcome |
| Analysing pictures is a lot more complex than analysing text, he adds, and in the future it may be possible to apply the same principle to moving pictures. So for example, you could search for "dog" and find all the videos that feature a dog. | Analysing pictures is a lot more complex than analysing text, he adds, and in the future it may be possible to apply the same principle to moving pictures. So for example, you could search for "dog" and find all the videos that feature a dog. |
| The Magazine decided to put this "work in progress" image comparison to the test by seeing which pictures it throws up for three well known people, real and fictitious. | The Magazine decided to put this "work in progress" image comparison to the test by seeing which pictures it throws up for three well known people, real and fictitious. |
| First, the distinctive face of John Prescott. | First, the distinctive face of John Prescott. |
| The Similar Images tool link is still in the developmental stage so you will only find it via Google Labs. | The Similar Images tool link is still in the developmental stage so you will only find it via Google Labs. |
| The Google Images search finds hundreds of pictures of the former deputy prime minister. Only some of them have the new "similar images" link below them. | The Google Images search finds hundreds of pictures of the former deputy prime minister. Only some of them have the new "similar images" link below them. |
| We pick one of him wearing that characteristically furrowed brow, click on the link and see what it throws up . | We pick one of him wearing that characteristically furrowed brow, click on the link and see what it throws up . |
| Sixteen Renee Zellwegers and two John Prescotts. Does this mean Renee looks eight times more like Prezza than he does? | Sixteen Renee Zellwegers and two John Prescotts. Does this mean Renee looks eight times more like Prezza than he does? |
| The second page of Prescott results is still very Zellweger-heavy and the following pages throw in the odd curveball picture like Britney Spears, Colin Firth (the Bridget Jones connection?) and author Joanne Zellweger. | The second page of Prescott results is still very Zellweger-heavy and the following pages throw in the odd curveball picture like Britney Spears, Colin Firth (the Bridget Jones connection?) and author Joanne Zellweger. |
| This really opens up the images on the web and lets you find images that would have been very difficult to get to in the past Google spokesman Google launches image tool | This really opens up the images on the web and lets you find images that would have been very difficult to get to in the past Google spokesman Google launches image tool |
| That last surname would indicate the influence of words in the search, although why the leap from John Prescott to Renee Zellweger? Are there any visual similarities in the original picture of him and the 16 ones of her? | That last surname would indicate the influence of words in the search, although why the leap from John Prescott to Renee Zellweger? Are there any visual similarities in the original picture of him and the 16 ones of her? |
| They are all head and shoulder shots, so the proportions of the subject are more or less the same. | They are all head and shoulder shots, so the proportions of the subject are more or less the same. |
| And Prescott is wearing a black jacket, while Zellweger in some of the images is wearing a black dress. | And Prescott is wearing a black jacket, while Zellweger in some of the images is wearing a black dress. |
| But he has dark hair, she has blonde. In many of the shots, her face is a lot smaller than his. She reveals her bare shoulders in some of them. He does not. | But he has dark hair, she has blonde. In many of the shots, her face is a lot smaller than his. She reveals her bare shoulders in some of them. He does not. |
| And what about the other two Prescott pictures? One of the two is an identical picture to the original, so full marks there, but the other has the former deputy prime minister with a donut in his mouth. | And what about the other two Prescott pictures? One of the two is an identical picture to the original, so full marks there, but the other has the former deputy prime minister with a donut in his mouth. |
| Interestingly, a "similar image" search on one of these Renee Zellweger images does not take you to John Prescott. It only goes one way. | Interestingly, a "similar image" search on one of these Renee Zellweger images does not take you to John Prescott. It only goes one way. |
| In response to the strange Prescott-Zellweger match, Google says the tool is bound to make mistakes because it is still being worked on, but it will improve. | In response to the strange Prescott-Zellweger match, Google says the tool is bound to make mistakes because it is still being worked on, but it will improve. |
| The second search is of Princess Leia from Star Wars, as played by Carrie Fisher, and here href="http://similar-images.googlelabs.com/images?q=princess+leia&qtype=similar&tbnid=O8fn1PdFSAZiUM&prev=/images%3Fq%3Dprincess%2Bleia%26start%3D72%26hl%3Den%26ndsp%3D18&tprev=/images%3Fq%3Dprincess%2Bleia%26start%3D72%26hl%3Den%26ndsp%3D18">the results have more visual clues . | |
| In the original image, one of Leia's trademark buns is unravelled to her waist. | |
| And among the results on the first page, nearly half are of well-groomed pet dogs with no apparent link to Star Wars, so there could be something in the hair that the tool is picking up on. | And among the results on the first page, nearly half are of well-groomed pet dogs with no apparent link to Star Wars, so there could be something in the hair that the tool is picking up on. |
| Who does Fabio Capello resemble?In pictures | Who does Fabio Capello resemble?In pictures |
| Two of the dogs have Princess Leia buns and there are also two pictures of youngsters doing impressions of her, so that could be a very loose resemblance. But it could also be that word association was again a factor. | |
| A more advanced function of the new tool is that you can narrow the search according to colour, so you can just search for images of Princess Leia which have the colour red in them, and this works very well. | |
| Or you can just search for certain kinds of content, like pictures of her that are from the news, or just line drawings of her or just faces. | Or you can just search for certain kinds of content, like pictures of her that are from the news, or just line drawings of her or just faces. |
| In the last of our three searches, we'll give you a teaser. If we search for similar images of England manager Fabio Capello, who do you think shows up? | In the last of our three searches, we'll give you a teaser. If we search for similar images of England manager Fabio Capello, who do you think shows up? |
| Click on the enlarged image (above) on the right to find out. | Click on the enlarged image (above) on the right to find out. |
| And when you've seen the answer, you can look here to see the first page of results . | And when you've seen the answer, you can look here to see the first page of results . |
| Send us your image matches using Google's new tool, using the form below. | Send us your image matches using Google's new tool, using the form below. |
| The BBC may edit your comments and not all emails will be published. Your comments may be published on any BBC media worldwide. Terms & Conditions | The BBC may edit your comments and not all emails will be published. Your comments may be published on any BBC media worldwide. Terms & Conditions |