Hessian Methods For Verification Of 3D Model Parameters From 2D Image Data

Robert R. Goldberg; David G. Lowe

doi:10.1117/12.948915

5 January 1989 Hessian Methods For Verification Of 3D Model Parameters From 2D Image Data

Robert R. Goldberg, David G. Lowe

Proceedings Volume 1003, Sensor Fusion: Spatial Reasoning and Scene Interpretation; (1989) https://doi.org/10.1117/12.948915
Event: 1988 Cambridge Symposium on Advances in Intelligent Robotics Systems, 1988, Boston, MA, United States

Abstract

A unified approach to instantiating model and camera parameters in the verification process is presented. Recognition implies the generation of a hypothesis, a map between projected model data and image data. An important issue remaining is the instantiation of model and camera parameters to verify the hypothesis. This "camera pose determination" is formulated as a nonlinear least squares problem, with functions minimizing distance between the projected model and image data. This approach treats camera and model parameters the same, simplifying the camera calibration problem. An original data structure Coordinate Trees with Null Com-ponents models the objects in the image. With this calculation of analytical first and second partial derivatives (with respect to parameters of model and camera) are now made possible. The application of various numeric techniques are compared, with tables displaying convergence results for various models and parameters. Minimal information is required, including the absence of depth data. This makes the algorithms robust in noisy images as well. Extensions to vision applications with general models is outlined.

Citation Download Citation

Robert R. Goldberg and David G. Lowe "Hessian Methods For Verification Of 3D Model Parameters From 2D Image Data", Proc. SPIE 1003, Sensor Fusion: Spatial Reasoning and Scene Interpretation, (5 January 1989); https://doi.org/10.1117/12.948915

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KEYWORDS

Data modeling

Visual process modeling

Cameras

Systems modeling

3D modeling

Image segmentation

3D image processing

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