US giant Google has moved to strengthen its visual search engine tool Google Goggles with the purchase of start-up Plink for an undisclosed amount.

US giant Google has moved to strengthen its visual search engine tool Google Goggles with the purchase of start-up Plink for an undisclosed amount, Plink's founders announced on Monday.

Google Goggles and Plink both allow people to carry out web searches on artwork simply by taking a photo of a using a mobile telephone.

"The visual search engines of today can do some pretty cool things but they still have a long, long way to go," Plink's founders Mark Cummins and James Philbin said on their company's website.

"We’re looking forward to helping the Goggles team build a visual that works not just for paintings or book covers but for everything you see around you."