Scene Segmentation Map Updates Triggered by Focus Changes
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Solution Overview
Problem
Image segmentation, particularly scene segmentation, is a processing-demanding task that poses limitations when performed within a camera device, especially during live video streaming, requiring more efficient methods to update scene segmentation maps.
Innovation Solution
A method and device that utilize focus value changes to trigger scene segmentation map updates, aligning the map to current scene characteristics by performing image analysis only when significant focus deviations occur, optimizing processing efficiency by sequential execution of object detection and depth estimation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If image segmentation is performed continuously to maintain updated scene segmentation maps, then the scene segmentation map remains current and accurate, but the processing load and computational resources required increase substantially
Solution Approach 1:
The patent implements periodic action by triggering scene segmentation map updates only at specific intervals or under specific conditions (such as focus value changes) rather than continuously. The system compares current focus values with stored focus values and only performs segmentation when significant changes occur, reducing processing load while maintaining map accuracy.
Solution Approach 2:
The system uses focus value changes as a self-triggering mechanism to initiate segmentation updates. When the focus value deviates from the stored value by more than a threshold, the system automatically triggers the segmentation process without requiring external intervention or continuous monitoring, optimizing processing efficiency.
2Speed
If image segmentation is performed in real-time during live video streaming, then the scene segmentation map is updated continuously, but the processing demands limit the ability to perform segmentation within the camera device
Solution Approach 1:
The patent applies periodic action by updating the scene segmentation map only when focus value changes exceed a threshold, rather than continuously during live video streaming. This reduces the processing frequency and enables the camera device to perform segmentation without requiring excessive processing power, while still maintaining real-time accuracy when needed.
3Reliability
If the scene segmentation map is updated frequently to reflect changes, then the map remains accurate and current, but unnecessary processing occurs when focus values do not change significantly
Solution Approach 1:
The system implements feedback by comparing current focus values with stored focus values and using this feedback to determine whether an update is necessary. When the deviation is within the threshold, the system maintains the existing map without processing, avoiding unnecessary energy consumption. When the deviation exceeds the threshold, the system triggers the segmentation process to update the map.
Solution Approach 2:
The patent uses parameter changes (focus value deviations) as the triggering condition for segmentation updates. By monitoring changes in the focus value parameter and only initiating processing when changes exceed a threshold, the system reduces unnecessary computational energy consumption while maintaining map accuracy when actual scene changes occur.
Data Source
AI summary
A method and processing device for providing a scene segmentation map for a total field of view of an image capturing device comprises obtaining a scene segmentation map for the total field of view; receiving an indication that a new focus value has been set for the image capturing device for acquiring images of a current field of view; comparing the new focus value with a stored focus value associated with a focus region in the current field of view, wherein the stored focus value represents a previously used focus value; upon the new focus value deviating from the stored focus value more than a trigger threshold, triggering a scene segmentation map update process; and otherwise maintaining the scene segmentation map.