Always losing your car keys? Help is at hand, after scientists invented a pair of glasses that will play back footage of the last time you saw them.
Japanese academics unveiled the invention, codenamed Smart Goggle, which not only records what the wearer is seeing, but recognises it.
The question the glasses cannot answer is, of course, "where did I put my real glasses?"
So, rather than searching for those elusive keys, you can tell the glasses what you are looking for and the technology will show you when, and where, you last saw it.
In the future, claims inventor Yasuo Kuniyoshi, the glasses will actually be more intelligent than the wearer, able to identify objects that their owner does not recognise.
In theory, the only question that the glasses will not be able to answer is "Where have I put my glasses?".
The experimental model is currently too large for everyday use, but a team at Tokyo University School of Information Science and Technology is confident of miniaturising it.
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The recording technology used is relatively simple, but it has taken Prof Kuniyoshi years to develop a computer programme that can instantly recognise what it is recording.
Working with Tatsuya Harada, an expert in artificial intelligence, his team has now created the world's most advanced object recognition software.
If a user initially tells the glasses the name of everything that he or she looks at, the glasses will remember.
They can then locate the last time the object was seen if it is misplaced, and replay the footage.
In the prototype, the software is better with some objects than others, recognising a guitar with ease for example, but struggling to identify a coat-hanger.
In future, Prof Kuniyoshi said, the software could be linked to the internet, giving the glasses instant access to a wealth of information beyond the knowledge of the wearer.
As an example, he said, the wearer could look out over a field of flowers, and the glasses could then inform him whether he was looking at begonias or pansies.
The question the glasses cannot answer is, of course, "where did I put my real glasses?"
So, rather than searching for those elusive keys, you can tell the glasses what you are looking for and the technology will show you when, and where, you last saw it.
In the future, claims inventor Yasuo Kuniyoshi, the glasses will actually be more intelligent than the wearer, able to identify objects that their owner does not recognise.
In theory, the only question that the glasses will not be able to answer is "Where have I put my glasses?".
The experimental model is currently too large for everyday use, but a team at Tokyo University School of Information Science and Technology is confident of miniaturising it.
advertisement
The recording technology used is relatively simple, but it has taken Prof Kuniyoshi years to develop a computer programme that can instantly recognise what it is recording.
Working with Tatsuya Harada, an expert in artificial intelligence, his team has now created the world's most advanced object recognition software.
If a user initially tells the glasses the name of everything that he or she looks at, the glasses will remember.
They can then locate the last time the object was seen if it is misplaced, and replay the footage.
In the prototype, the software is better with some objects than others, recognising a guitar with ease for example, but struggling to identify a coat-hanger.
In future, Prof Kuniyoshi said, the software could be linked to the internet, giving the glasses instant access to a wealth of information beyond the knowledge of the wearer.
As an example, he said, the wearer could look out over a field of flowers, and the glasses could then inform him whether he was looking at begonias or pansies.
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