Cradle for creating a color cloud

By using a bracket device and a color cloud algorithm, the problem of spectrophotometers being unable to accurately detect hair color has been solved, achieving precise quantification and robust detection of hair color, and supporting recommendations for hair health status and hair dyeing products.

CN116584088BActive Publication Date: 2026-05-26LOREAL SA
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Patent Information

Application Number
CN202180080371.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-02-25
Filing Date
2021-11-30
Publication Date
2026-05-26
Estimated Expiration
2041-11-30

AI Technical Summary

Technical Problem

Existing spectrophotometers can only provide a single numerical representation of hair color, lack thresholds for comparison, cannot accurately detect color changes, have inaccurate average color, and cannot perform color analysis over large areas.

Method used

Using a bracket device and a color cloud algorithm, hair video is captured by a video recording device to generate a 3D virtual representation, identify salient features, and display the color cloud on a graphical user interface, thereby achieving accurate quantification and comparison of color information.

Benefits of technology

It achieves precise quantification and robust detection of hair color, capturing color changes over large areas, providing color matching and differentiation, and supporting recommendations for hair health and hair dye products.

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Abstract

A bracket is provided for capturing video of an object such as hair. The video can then be used to extract and visualize color information associated with the material using a color cloud. The color cloud contains all colors present in one or more frames of the video. The bracket includes a video recording device capable of viewing the material through a window on the bracket. A smartphone can be used with the bracket to act as the video recording device and to provide illumination.
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