Multi-Camera Appearance Analysis for Full-Face Evaluation Accuracy
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Solution Overview
Problem
Existing intelligent terminal devices often collect limited image regions, such as the front face, making it difficult to accurately evaluate specific areas like the left and right cheeks, which affects the accuracy of appearance evaluations.
Innovation Solution
The use of multiple cameras, including a first and a second camera arranged symmetrically on opposite sides of an electronic device, to capture comprehensive images from different angles, allowing for improved accuracy in appearance evaluations by combining and analyzing images from these regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a single front-facing camera is used to collect images, then the device structure remains simple, but the image coverage is limited and cannot capture specific regions like left and right cheeks
Solution Approach 1:
The patent divides the image collection task into multiple segments by using multiple cameras positioned at different locations. Each camera captures a specific region (front face, left cheek, right cheek), and these segmented images are then combined to form a complete appearance evaluation, thereby expanding the total coverage area without requiring a single complex camera system
Solution Approach 2:
The patent transitions from a single-viewpoint (one-dimensional) image collection approach to a multi-viewpoint (three-dimensional) approach by positioning cameras at different spatial locations around the user. This dimensional expansion allows simultaneous capture of front face and side cheek regions, fundamentally increasing the covered area
2Measurement precision
If multiple cameras are used to capture comprehensive images from different angles, then appearance evaluation accuracy is improved, but device complexity increases
Solution Approach 1:
The patent designs a camera system where multiple cameras serve universal functions: each camera can capture different facial regions depending on positioning, and the system as a whole provides comprehensive appearance evaluation covering front face, left cheek, and right cheek. This multi-functionality justifies the increased device complexity by delivering superior evaluation accuracy across multiple assessment dimensions
Solution Approach 2:
The patent combines images from multiple cameras into a unified appearance evaluation result. By merging the front face image, left cheek image, and right cheek image through image processing and analysis algorithms, the system achieves comprehensive and accurate appearance assessment that outweighs the added device complexity
Data Source
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AI summary
An appearance analysis method and an electronic device are provided. The method may be applied to an electronic device including a first camera and a second camera, and the method includes: The electronic device obtains a first image associated with a first region of an object and a second image associated with a second region of the object, where the first image is collected by the first camera, the second image is collected by the second camera, and the first region is different from the second region; and then, the electronic device provides an appearance evaluation of the object, where the appearance evaluation is determined based on the first image and the second image. In this manner, accuracy of the appearance evaluation can be improved.