Abstract
Accurate and efficient optical flow estimation is a major step in many computational vision problems, including 3-D mapping applications. While processing of gray scale image sequences has been the main approach, some authors have recently investigated and reported the use of color images. The main advantage in the use of color images is to exploit redundant information at each pixel, namely 3 channels, as potential cues for visual 'motion. Moreover, several spectral-dependent factors including medium attenuation may justify the use of color cues in underwater, calling for a physics-based approach to optical flow analysis. This paper explores a simplified underwater image formation model l) to provide some preliminary insight on the information encoded in various color channels, 2) draw some general conclusions on the use of color and its various representations, and 3) verify if the results are consistent with the experiments with 7 sets of coral reef video moded in relatively clear shallow waters of the Bahamas. These results suggest that optical flow algorithms based on the HSV representation can provide improved localization and accuracy.
| Original language | English (US) |
|---|---|
| Title of host publication | Oceans 2003: Celebrating the Past... Teaming Toward the Future |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 2309-2316 |
| Number of pages | 8 |
| Volume | 4 |
| ISBN (Print) | 0933957300, 9780933957305 |
| DOIs | |
| State | Published - 2003 |
| Event | Oceans 2003 - Marine Technology Society, Institute of Electrical and Electronics Engineers Conference, MTS/IEEE - San Diego, United States Duration: Sep 22 2003 → Sep 26 2003 |
Other
| Other | Oceans 2003 - Marine Technology Society, Institute of Electrical and Electronics Engineers Conference, MTS/IEEE |
|---|---|
| Country | United States |
| City | San Diego |
| Period | 9/22/03 → 9/26/03 |
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ASJC Scopus subject areas
- Mechanical Engineering
Cite this
Robust optical flow estimation using underwater colair images. / Negahdaripour, Shahriar; Madjidi, Hossein.
Oceans 2003: Celebrating the Past... Teaming Toward the Future. Vol. 4 Institute of Electrical and Electronics Engineers Inc., 2003. p. 2309-2316 1282854.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Robust optical flow estimation using underwater colair images
AU - Negahdaripour, Shahriar
AU - Madjidi, Hossein
PY - 2003
Y1 - 2003
N2 - Accurate and efficient optical flow estimation is a major step in many computational vision problems, including 3-D mapping applications. While processing of gray scale image sequences has been the main approach, some authors have recently investigated and reported the use of color images. The main advantage in the use of color images is to exploit redundant information at each pixel, namely 3 channels, as potential cues for visual 'motion. Moreover, several spectral-dependent factors including medium attenuation may justify the use of color cues in underwater, calling for a physics-based approach to optical flow analysis. This paper explores a simplified underwater image formation model l) to provide some preliminary insight on the information encoded in various color channels, 2) draw some general conclusions on the use of color and its various representations, and 3) verify if the results are consistent with the experiments with 7 sets of coral reef video moded in relatively clear shallow waters of the Bahamas. These results suggest that optical flow algorithms based on the HSV representation can provide improved localization and accuracy.
AB - Accurate and efficient optical flow estimation is a major step in many computational vision problems, including 3-D mapping applications. While processing of gray scale image sequences has been the main approach, some authors have recently investigated and reported the use of color images. The main advantage in the use of color images is to exploit redundant information at each pixel, namely 3 channels, as potential cues for visual 'motion. Moreover, several spectral-dependent factors including medium attenuation may justify the use of color cues in underwater, calling for a physics-based approach to optical flow analysis. This paper explores a simplified underwater image formation model l) to provide some preliminary insight on the information encoded in various color channels, 2) draw some general conclusions on the use of color and its various representations, and 3) verify if the results are consistent with the experiments with 7 sets of coral reef video moded in relatively clear shallow waters of the Bahamas. These results suggest that optical flow algorithms based on the HSV representation can provide improved localization and accuracy.
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U2 - 10.1109/OCEANS.2003.178269
DO - 10.1109/OCEANS.2003.178269
M3 - Conference contribution
SN - 0933957300
SN - 9780933957305
VL - 4
SP - 2309
EP - 2316
BT - Oceans 2003: Celebrating the Past... Teaming Toward the Future
PB - Institute of Electrical and Electronics Engineers Inc.
ER -