3D Body Shape Reconstruction Using Distance and Optical Sensors
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Solution Overview
Problem
Conventional human body measuring devices, such as those used in household environments, are limited in their ability to accurately evaluate body composition and require large spaces for precise measurements, making them unsuitable for frequent use or portability.
Innovation Solution
A measuring device with distance and optical measuring units arranged in a circular pattern around a sensing reference surface, transmitting signals to multiple body areas to obtain distance and reflection patterns, allowing for the reconstruction of a three-dimensional body shape and structure, enabling more accurate health evaluations without the need for a fixed, large space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional body fat scales are used in household environment, then ease of operation is improved, but measurement precision deteriorates
Solution Approach 1:
The patent combines multiple measurement functions (body weight, body fat percentage, body volume index, and three-dimensional body shape) into a single household-scale device. By integrating distance measuring units, optical measuring units, and multiple sensors into one compact platform, the device achieves comprehensive body composition analysis while maintaining ease of household use.
Solution Approach 2:
The patent transitions from traditional two-dimensional body composition analysis (weight and fat percentage) to three-dimensional body shape reconstruction. By adding spatial dimension measurement through distance measuring units arranged in a circular pattern, the device provides volumetric body analysis and detailed body shape mapping, significantly enhancing measurement precision.
2Measurement precision
If specialized BVI measuring device is used, then measurement precision is improved, but device complexity and space requirement increase
Solution Approach 1:
The patent creates a multi-functional measuring device that can perform body weight measurement, body fat percentage analysis, body volume index calculation, and three-dimensional body shape reconstruction. By making the device universal in its capabilities, it replaces multiple specialized devices while maintaining measurement precision and reducing overall system complexity.
Solution Approach 2:
The patent employs a nested structure where distance measuring units, optical measuring units, and various sensors are integrated within a compact device body. The circular arrangement of measuring units around the sensing reference surface creates a space-efficient configuration that accommodates multiple measurement functions in a household-friendly form factor.
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
Enables users to obtain reconstructed body information, including body weight and fat percentage, in a household or portable setting, providing a more accurate evaluation of body health and structure, overcoming the limitations of conventional devices.
Implementation Method 1
Each of the distance measuring units transmits a plurality of distance measuring signals to a plurality of body areas of the person to be measured, so as to obtain distance information between the each of the distance measuring units and the body areas of the person to be measured
Implementation Method 2
Each of the optical measuring units transmits measuring light to the person to be measured, and receives a measuring pattern formed through reflection of the measuring light from the person
Data Source
AI summary
A measuring device, including a device body, distance measuring units, optical measuring units and a processing unit, is provided. The device body includes a sensing reference surface adapted for a person to be measured to stand thereupon. The optical measuring units are disposed corresponding to the respective distance measuring units. Each of the distance measuring units transmits distance measuring signals to body areas of the person, so as to obtain distance information between each of the distance measuring units and the body areas of the person. Each of the optical measuring signal transmits measuring light to the person to be measured, and receives a measuring pattern formed through reflection of the measuring light from the person. The processing unit calculates and reconstructs a three-dimensional surface structure of the body areas of the person according to the respective distance information obtained from the distance measuring units and the corresponding measuring patterns.