3-D object modeling from occluding contours in opti-acoustic stereo images

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Utilizing in situ measurements to build 3-D volumetric object models under variety of turbidity conditions is highly desirable for marine sciences. Feature-based structure from motion and stereo methods can become ineffective under poor visibility, where matches cannot be reliably identified in low contrast optical images. To address this, a solution is proposed by utilizing a multi-modal stereo imaging technique with coincident optical and sonar cameras. Moreover, the challenges of establishing the complex opti-acoustic correspondences are avoided, by employing 2-D occluding contours that are the images of 3-D object rims as structural features. As we circle our target object, we process matching 2-D apparent contours to construct the corresponding 3-D object rim, and compute the trajectory of the stereo rig by optiacoustic bundle adjustment in order to transform the 3-D object rims into registered samples of the object surface in a reference coordinate system. In addition to exploiting range measurements from sonar that offer unique advantages, the proposed paradigm enables computing both the 3-D positions and local surface normals of 3-D contours, leading to improved object reconstruction accuracy. We demonstrate the performance of our method based on the 3-D surface rendering of certain objects, imaged by an underwater opti-acoustic stereo system.

Original languageEnglish
Title of host publicationOCEANS 2013 MTS/IEEE - San Diego: An Ocean in Common
PublisherIEEE Computer Society
StatePublished - Jan 1 2013
EventOCEANS 2013 MTS/IEEE San Diego Conference: An Ocean in Common - San Diego, CA, United States
Duration: Sep 23 2013Sep 26 2013

Other

OtherOCEANS 2013 MTS/IEEE San Diego Conference: An Ocean in Common
CountryUnited States
CitySan Diego, CA
Period9/23/139/26/13

Fingerprint

Acoustics
Sonar
Oceanography
Underwater acoustics
Turbidity
Visibility
Cameras
Trajectories
Imaging techniques

ASJC Scopus subject areas

  • Ocean Engineering

Cite this

Babaee, M., & Negahdaripour, S. (2013). 3-D object modeling from occluding contours in opti-acoustic stereo images. In OCEANS 2013 MTS/IEEE - San Diego: An Ocean in Common [6741221] IEEE Computer Society.

3-D object modeling from occluding contours in opti-acoustic stereo images. / Babaee, M.; Negahdaripour, Shahriar.

OCEANS 2013 MTS/IEEE - San Diego: An Ocean in Common. IEEE Computer Society, 2013. 6741221.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Babaee, M & Negahdaripour, S 2013, 3-D object modeling from occluding contours in opti-acoustic stereo images. in OCEANS 2013 MTS/IEEE - San Diego: An Ocean in Common., 6741221, IEEE Computer Society, OCEANS 2013 MTS/IEEE San Diego Conference: An Ocean in Common, San Diego, CA, United States, 9/23/13.
Babaee M, Negahdaripour S. 3-D object modeling from occluding contours in opti-acoustic stereo images. In OCEANS 2013 MTS/IEEE - San Diego: An Ocean in Common. IEEE Computer Society. 2013. 6741221
Babaee, M. ; Negahdaripour, Shahriar. / 3-D object modeling from occluding contours in opti-acoustic stereo images. OCEANS 2013 MTS/IEEE - San Diego: An Ocean in Common. IEEE Computer Society, 2013.
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