Communications of the ACM
Researchers Find Way to Pinpoint Location Where Online Video Was Shot
Researchers are building a database that will help to identify the locations at which videos are shot.
Credit: ICMI
International Computer Science Institute (ICSI) researchers are developing video-recognition technology that can analyze video and determine the time and place it was shot.
The researchers are building a video database by analyzing videos downloaded from Flickr, says ICSI's Gerald Friedland. Data from videos taken at identified locations is used to develop profiles of the respective locations. As more videos embedded with geographical information are downloaded, the researchers will use them to train the software to recognize more locations.
During testing, the researchers were able to pinpoint the location where 14 percent of the videos were shot to within about 33 feet by comparing the database's information to about 5,000 unfiltered videos, says ICSI's Jaeyoung Choi. The system also can pinpoint location by analyzing sounds in a video. The researchers note the same technology can be applied to photographs.
However, they say only about 3 to 5 percent of Internet videos contain geographical information that can be used to determine where they were taken, so it will take some time to build the video database.
From CIO
View Full Article
Abstracts Copyright © 2013 Information Inc., Bethesda, Maryland, USA
No entries found