Radar Boundary Approximation via Coherent Heatmaps
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Solution Overview
Problem
Existing technologies face challenges in accurately determining the boundaries of environments, such as rooms, for detecting events and understanding environmental characteristics, especially in complex settings like homes or offices, where precise boundary information is crucial for event detection and response.
Innovation Solution
The use of radar-based systems with electronic devices equipped with radar transmitters and receivers to generate coherent heatmaps and point clouds, which help in approximating the boundaries of environments by analyzing energy intensity and changes, allowing for accurate detection of events within or outside defined spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If radar-based systems are used to determine environmental boundaries, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent segments the boundary detection process into distinct modules: radar signal transmission, echo reception, coherent heatmap generation, point cloud creation, and boundary approximation. Each module performs a specific function, allowing the complex overall system to be managed through modular components that can be independently optimized and processed.
Solution Approach 2:
The patent introduces intermediary data structures (coherent heatmaps and point clouds) that mediate between the raw radar signals and the final boundary approximation. These intermediaries transform the complex raw data into processed representations that are easier to analyze and interpret, reducing the direct complexity of processing raw radar echoes.
2Measurement precision
If coherent heatmaps and point clouds are generated to approximate boundaries, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The patent performs preliminary processing of radar echoes into coherent heatmaps and point clouds before final boundary approximation. This preliminary action organizes and pre-processes the data in a structured manner, which accelerates subsequent boundary detection operations and reduces overall processing time compared to analyzing raw radar data directly.
Solution Approach 2:
The patent maintains continuous processing of radar data through sequential generation of heatmaps, point clouds, and boundary approximations. This continuous pipeline approach ensures that data is processed efficiently without idle time, and each processing stage feeds directly into the next, minimizing total processing time while maintaining high precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables precise boundary approximation and event detection, facilitating appropriate responses, such as notifications or actions, while minimizing false alarms and improving the accuracy of environmental change monitoring.
Implementation Method 1
radar-based techniques may be performed. For example, an electronic device having radar functionality may be disposed in the room in question and/or an adjoining room
Data Source
AI summary
Systems and methods for boundary approximation utilizing radar are disclosed. For example, a heatmap of an environment may be generated utilizing data from reflected energy received at a device. The heatmap may be utilized to generate a point cloud representing the environment, where points of the point cloud indicate rates of change of energy intensity associated with surfaces in the environment. The points may be utilized to determine a mean line indicating an approximated distance between a portion of the environment, such as a wall, and the device.