Safety Volume Lists for Multi-Hypothesis Object Detection
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Solution Overview
Problem
Current computing systems for robot interaction in environments like warehouses struggle to accurately detect objects and plan motion due to limitations in identifying multiple potential object recognition templates and handling unmatched image regions, leading to potential errors in robot-object interaction.
Innovation Solution
A method involving a computing system that processes image information from a camera to identify primary and additional detection hypotheses, generating a safety volume list that includes candidate regions and unmatched regions, to enhance the robustness of object detection and motion planning for robot interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system considers multiple object recognition templates and unmatched regions to improve detection accuracy, then the reliability of object detection improves, but the device complexity increases
Solution Approach 1:
The patent segments the object detection process into multiple independent hypotheses, each associated with a different object recognition template. The system generates multiple detection hypotheses by comparing image information against multiple templates, then evaluates each hypothesis independently before combining results. This segmentation allows the system to consider multiple potential object identities without creating a monolithic complex system, as each hypothesis can be processed separately through the safety volume generation and motion planning pipeline.
Solution Approach 2:
The patent performs preliminary action by generating safety volumes for multiple detection hypotheses before final object identification is certain. Instead of waiting for a single definitive detection, the system proactively creates safety volumes for all plausible hypotheses and uses them in motion planning. This preliminary preparation of safety volumes for multiple scenarios improves reliability by ensuring robust motion planning regardless of which hypothesis proves correct, while managing complexity through standardized safety volume generation procedures.
2Reliability
If the system generates safety volumes for multiple detection hypotheses, then the robustness of motion planning improves, but the loss of time in processing increases
Solution Approach 1:
The patent applies partial action by generating safety volumes for multiple detection hypotheses only when necessary - specifically when multiple object recognition templates match the image information or when unmatched regions are detected. The system does not always generate safety volumes for all possible hypotheses, but rather selectively does so based on the complexity of the detection scenario. This selective approach maintains motion planning robustness for challenging cases while avoiding unnecessary processing time for straightforward detections.
Solution Approach 2:
The system performs self-service through automated hypothesis evaluation and safety volume generation. Once multiple detection hypotheses are identified, the system automatically generates safety volumes for each hypothesis and integrates them into motion planning without requiring manual intervention or iterative refinement. This self-service capability reduces processing time by eliminating manual steps while maintaining the robustness benefits of considering multiple hypotheses.
3Measurement precision
If the system identifies unmatched regions adjacent to candidate regions, then the detection precision improves, but the device complexity increases
Solution Approach 1:
The patent applies local quality by specifically targeting unmatched regions adjacent to candidate object regions for additional analysis. Rather than uniformly processing the entire image with high complexity, the system focuses computational resources on local areas where object boundaries are uncertain or ambiguous. This localized approach to identifying unmatched regions improves object boundary detection precision while managing overall image processing complexity by leaving well-defined regions to be processed by simpler methods.
Data Source
AI summary
A method and computing system for performing the method are presented. The method may include receiving image information representing an object; identifying a set of one or more matching object recognition templates associated with a set of one or more detection hypotheses. The method may further include selecting a primary detection hypothesis associated with a matching object recognition template; generating a primary candidate region based on the matching object recognition template; determining at least one of: (i) whether the set of one or more matching object recognition templates has a subset of one or more remaining matching templates, or (ii) whether the image information has a portion representing an unmatched region; and generating a safety volume list based on at least one of: (i) the unmatched region, or (ii) one or more additional candidate regions that are generated based on the subset of one or more remaining matching templates.


