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Carnegie Mellon researchers create new scanning system
October 01, 2007Carnegie CyLab plots digital graveyards
PITTSBURGH - Indiana Jones, step aside. Carnegie Mellon University's Yang Cai is developing new technology that could revolutionize the way archeologists work. Cai, director of the Ambient Intelligence Lab at Carnegie Mellon CyLab, is developing new software to scan 200-year-old gravestones at Old St. Luke's Church in nearby Carnegie to help its Episcopal pastor identify all the names on the cemetery's tombstones.
"We are very excited and pleased that Professor Cai and his research team are helping us reclaim our past by identifying some of the 20 graves at our cemetery," said Rev. Richard Davis, director of Old St. Luke's Church at 330 Old Washington Pike.
The church, established in 1765 as a stockade church for British soldiers, is operated as a special events building for weddings, book reviews and special holiday services, according to Davis.
During the past two weeks, Cai's research team trekked through the church's three-acre cemetery, scanning unreadable gravestones and then storing the images on laptops.
"We are exploring new 3-D reconstruction technology to decipher the gravestone names," said Cai. "Essentially, we reconstruct the tombstone surfaces by applying filtering and detection algorithms for revealing the words on the archaic surfaces," he said.
In addition to discovering who is buried in the church cemetery, Cai is developing a digital cemetery for Old St. Luke's Church.
"Our goal is to take the guess work out of archeology and make this reconstruction technology available for a variety of other industry sectors, such as the security and medical fields," said Cai.
Carnegie Mellon University
The church, established in 1765 as a stockade church for British soldiers, is operated as a special events building for weddings, book reviews and special holiday services, according to Davis.
During the past two weeks, Cai's research team trekked through the church's three-acre cemetery, scanning unreadable gravestones and then storing the images on laptops.
"We are exploring new 3-D reconstruction technology to decipher the gravestone names," said Cai. "Essentially, we reconstruct the tombstone surfaces by applying filtering and detection algorithms for revealing the words on the archaic surfaces," he said.
In addition to discovering who is buried in the church cemetery, Cai is developing a digital cemetery for Old St. Luke's Church.
"Our goal is to take the guess work out of archeology and make this reconstruction technology available for a variety of other industry sectors, such as the security and medical fields," said Cai.
Carnegie Mellon University
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Visually documenting the physical state of a historic monument generates endless reams of paper and photos. A more elegant approach involves 3D scanning. New software creates detailed reproductions of even the largest objects - as exercised with "Bavaria" statue. The effigies of famous personalities immortilized in stone or bronze often lead sad lives as pigeon perches completely exposed to the elements. Damages also occured to a 18-meter-tall bronze lady who looks down on the site of Munich's famous Oktoberfest. Better known as Bavaria, the statue last year was captured using 3D laser scanners. To finish the ongoing digital reconstruction, experts are utilizing QTSculptor, a softwa
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Gravel fit for travel
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