Forward looking sonar (DIDSON)
Image enhancement

A Project supported by ONR (N. Intrator, PI)

DIDSON is a novel ultrasound imaging device that can produce high resolution movies at a high frame rate.
When combined with registration techniques based on computer vision, the performance of DIDSON
can be signifantly improved. A few demo video clips can be found below.

 

Demos

Demonstration of mosaicing: A mosaic image can be produced from a DIDSON video sequence. This technique helps to produce a single view of a target object, particularly when it is not covered in the view range of DIDSON.
Demonstration of video enhancement. The quality of DIDSON video sequences can be enhanced by combining multiple frames of images. The difference in video quality can be easily noticeable in the original (left) and enhanced (right) movies.
 

Other examples

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Selected Papers

K. Kim, N. Neretti, and N. Intrator, "Image registration and mosaicing of acoustic camera images," in proceedings of VIIP'04, 2004. (pdf)

K. Kim, N. Neretti, and N. Intrator, "Acoustic camera image mosaicing and super-resolution," in proceedings of OCEAN'04, 2004. (pdf)

K. Kim, N. Neretti, and N. Intrator, "Mosaicing of acoustic camera images," IEE Proceedings---Radar, Sonar and Navigation 152(4), 2005. (pdf)

K. Kim, N. Neretti, and N. Intrator, "Non-iterative construction of super-resolution image from an acoustic camera image sequence," in proceedings of CIHSPS'05, 2005. (pdf)