Depth Map Generation Device with Multiple Image Capture Pairs
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Solution Overview
Problem
Existing depth map generation devices have limited working ranges, which can result in invalid areas when objects move outside the captured range, leading to incomplete or inaccurate depth mapping.
Innovation Solution
A depth map generation device with multiple image capture pairs and a processor that generates and blends multiple depth maps, allowing for dynamic adjustment of the working range based on object movement, enabling the creation of a larger effective depth map range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a single image capture pair is used to generate a depth map, then the device complexity is low, but the working range of the depth map is limited
Solution Approach 1:
The system divides the overall depth mapping task into multiple segments by using multiple image capture pairs, each responsible for capturing a specific baseline's depth information. This segmentation allows each capture pair to focus on a specific working range while collectively covering a larger area
Solution Approach 2:
The system merges multiple depth maps generated from different image capture pairs into a single comprehensive depth map. The processor combines the depth information from multiple baselines, expanding the overall working range while maintaining device functionality
2Area of stationary object
If multiple depth maps are generated and blended, then the working range is expanded, but the data rate increases
Solution Approach 1:
The system extracts only the necessary depth information from multiple depth maps based on object position and motion characteristics. Instead of processing and transmitting all depth map data, it selectively extracts relevant portions, reducing the overall data rate while maintaining expanded working range
Solution Approach 2:
The system performs partial blending of depth maps by selectively combining only the necessary portions based on object location and motion. This partial action approach expands the working range where needed without processing the entire dataset, thereby controlling data rate
3Adaptability or versatility
If the depth map generation device uses a fixed baseline configuration, then the device structure is simple, but it cannot dynamically adapt to object motion
Solution Approach 1:
The system implements dynamic baseline selection by allowing the processor to switch between different image capture pairs based on detected object motion. This dynamic configuration enables the depth map generation device to adapt its working range in real-time without physical reconfiguration
Solution Approach 2:
The system uses feedback from object position and motion detection to dynamically adjust which image capture pairs are active. The processor receives feedback about object characteristics and automatically selects the appropriate baseline configuration, providing adaptability through a control loop
Data Source
AI summary
A depth map generation device includes a plurality of image capture pairs, a depth map generation module, and a processor. The depth map generation module is coupled to the plurality of image capture pairs for generating a plurality of depth maps corresponding to the plurality of image capture pairs according to the image pairs captured by the plurality of image capture pairs. The processor is coupled to the depth map generation module for optionally outputting a depth map of the plurality of depth maps, or outputting a blending depth map composed of a part or all of the plurality of depth maps.