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3DPO: a three-dimensional part orientation system

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This paper presents a system that recognizes objects in a jumble, verifies them, and then determines some essential configurational information, such as which ones are on top, by analyzing the patterns of range data predicted from all the hypotheses.
Abstract
A system that recognizes objects in a jumble, verifies them, and then determines some essential configurational information, such as which ones are on top, is presented. The approach is to use three-dimensional models of the objects to find them in range data. The matching strategy starts with a distinctive edge feature, such as the edge at the end of a cylindrical part, and then “grows” a match by adding compatible features, one at a time. (The order of features to be considered is predetermined by an interactive, off-line feature-selection process.) Once a sufficient number of compatible features has been detected to allow a hypothesis to be formed, the verification procedure evaluates it by comparing the measured range data with data predicted according to the hypothesis. When all the objects in the scene have been hypothesized and verified in this manner, a configuration-understanding procedure determines which objects are on top of others by analyzing the patterns of range data predicted from all the hypotheses. Experimental results of the system’s performance in recognizing and locating castings in a bin are presented.

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HAL Id: inria-00589982
https://hal.inria.fr/inria-00589982
Submitted on 3 May 2011
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3DPO: A Three Dimensional Part Orientation System
Robert Bolles, Radu Horaud
To cite this version:
Robert Bolles, Radu Horaud. 3DPO: A Three Dimensional Part Orientation System.
The International Journal of Robotics Research, SAGE Publications, 1986, 5 (3), pp.3–26.
�10.1177/027836498600500301�. �inria-00589982�





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References
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Automatic synthesis of fine-motion strategies for robots

TL;DR: In this article, a formal approach to the synthesis of compliant motion strategies from geometric descriptions of assembly operations and explicit estimates of errors in sensing and control is presented, where correctness criteria for compliant motion strategy are provided.
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Automatic Synthesis of Fine-Motion Strategies for Robots

TL;DR: A formal approach to the synthesis of compliant-motion strategies from geometric descriptions of assembly operations and explicit estimates of errors in sensing and control is described.
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Symbolic reasoning among 3-D models and 2-D images

TL;DR: Modelling, prediction, description and interpretation proceed concurrently from coarse object subpart and class interpretations of images, to fine distinctions among object subclasses and more precise three dimensional quantification of objects.
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Model-based recognition and localization from sparse range or tactile data

TL;DR: In this paper, the authors show that inconsistent hypotheses about pairings between sensed points and object surfaces can be discarded efficiently by using local constraints on distances between faces, angles between face normals, and angles (relative to the surface normals) of vectors between the sensed points.
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Description and recognition of curved objects

TL;DR: Techniques for generating structured, symbolic descriptions of complex curved objects by segmenting them into simpler sub-parts by matching these descriptions with stored descriptions of models are presented.
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