Google continues its quest to take over the world
Google diving into 3D mapping of oceans

We’ve got Google Earth and Google Sky. Next up will be a map of the world below sea level–Google Ocean.
The company has assembled an advisory group of oceanography experts, and in December invited researchers from institutions around the world to the Mountain View, Calif., Googleplex. There, they discussed plans for creating a 3D oceanographic map, according to sources familiar with the matter.
The tool–for now called Google Ocean, the sources say, though that name could change–is expected to be similar to other 3D online mapping applications. People will be able to see the underwater topography, called bathymetry; search for particular spots or attractions; and navigate through the digital environment by zooming and panning. (The tool, however, is not to be confused with the “Google Ocean” project by France-based Magic Instinct Software that uses Google Earth as a visualization tool for marine data.)
Asked to comment on Google Ocean, a Google spokeswoman said the company had “nothing to announce right now.”
Oceanography researchers, however, say such a tool would be incredibly useful.
“There is no real terrain or depth model for the ocean in Google Earth,” said Tim Haverland, a geospatial application developer at the Fisheries Service of the National Oceanic and Atmospheric Administration (NOAA). “You can’t get in a submarine and in essence fly through the water and explore ocean canyons yet.”
Google Ocean will feature a basic layer that shows the depth of the sea floor and will serve as a spatial framework for additional data, sources said, adding that Google plans to try to fill in some areas of the map with high-resolution images for more detail.
Additional data will be displayed as overlying layers that depict phenomena like weather patterns, currents, temperatures, shipwrecks, coral reefs, and algae blooms, much like the National Park Service and NASA provide additional data for Google Earth and Google Sky.
“Google will basically just provide the field and then everyone will come flocking to it,” predicted Stephen P. Miller, head of the Geological Data Center at the Scripps Institution of Oceanography. “There will be peer pressure to encourage people to get their data out there.”
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A Google Prototype for a Precision Image Search
Google researchers say they have a software technology intended to do for digital images on the Web what the company’s original PageRank software did for searches of Web pages.
On Thursday at the International World Wide Web Conference in Beijing, two Google scientists presented a paper describing what the researchers call VisualRank, an algorithm for blending image-recognition software methods with techniques for weighting and ranking images that look most similar.
Although image search has become popular on commercial search engines, results are usually generated today by using cues from the text that is associated with each image.
Despite decades of effort, image analysis remains a largely unsolved problem in computer science, the researchers said. For example, while progress has been made in automatic face detection in images, finding other objects such as mountains or tea pots, which are instantly recognizable to humans, has lagged.
“We wanted to incorporate all of the stuff that is happening in computer vision and put it in a Web framework,” said Shumeet Baluja, a senior staff researcher at Google, who made the presentation with Yushi Jing, another Google researcher. The company’s expertise in creating vast graphs that weigh “nodes,” or Web pages, based on their “authority” can be applied to images that are the most representative of a particular query, he said.
The research paper, “PageRank for Product Image Search,” is focused on a subset of the images that the giant search engine has cataloged because of the tremendous computing costs required to analyze and compare digital images. To do this for all of the images indexed by the search engine would be impractical, the researchers said. Google does not disclose how many images it has cataloged, but it asserts that its Google Image Search is the “most comprehensive image search on the Web.”
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Xerox touts erasable paper, smart documents
The hi-tech paper can be reused up to 100 times
Xerox Corp.’s research arm yesterday showcased its latest innovations, including erasable paper and tools that make documents “smart” by adding a deeper meaning to words and images.
Since its establishment in 1970, the Palo Alto Research Center Inc. (PARC), funded by Xerox, has created numerous technologies now available on PCs, including Ethernet, the graphical user interface (GUI) and the computer mouse. The laboratory, with other Xerox research facilities, is now trying to help its parent company and other start-ups by focusing on printing and other innovations to access, use and secure electronic documents.
Scientists demonstrated paper that can be reused after printed text automatically deletes itself from the paper’s surface within 24 hours. Instead of trashing or recycling after one use, a single piece of paper can be used a second time, and reused up to 100 times, said Eric Shrader, area manager at PARC.
xerox
Learning from the Virtual You
How you appear in the virtual world could affect your behavior in real life, according to researchers at Stanford University. Andrea Seabrook speaks with Stanford’s Jeremy Bailenson about his research into how people interact psychologically with their virtual-reality representations.
NPR
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