CN-122005075-A - Layered fat melting technology, system and storage medium

CN122005075ACN 122005075 ACN122005075 ACN 122005075ACN-122005075-A

Abstract

The invention discloses a layering fat melting technology, a layering fat melting system and a storage medium, which comprise the following steps of obtaining three-dimensional body surface data and subcutaneous tissue data; the method comprises the steps of constructing a three-dimensional model comprising a body surface form and a subcutaneous fat layer based on three-dimensional body surface data and subcutaneous tissue data, dividing a subcutaneous fat region of the fat layer to be melted into a plurality of fat layers with different depths along the body surface normal direction of the three-dimensional model, and selecting lasers with corresponding focal lengths based on the fat depths to perform fat melting operation until fat melting is completed. According to the scheme, the fat layers with different depths are divided along the body surface normal direction of the three-dimensional model, the corresponding focal length laser is matched according to the depth of each layer to perform operation, and subcutaneous fat depth differences of different individuals and different parts can be accurately adapted. The method can ensure that the fat layers with different depths can obtain the adaptive laser energy without depending on long-time constant power irradiation, thereby not only reducing the running cost of equipment, but also avoiding the problems of insufficient deep fat energy and excessive shallow fat energy.

Inventors

TANG CHAOHUI

Assignees

深圳市桥福智能设备有限公司

Dates

Publication Date: 20260512
Application Date: 20251231

Claims (15)

1. The layering fat melting technology is characterized by comprising the following steps of: Acquiring three-dimensional body surface data and subcutaneous tissue data; constructing a three-dimensional model comprising a body surface morphology and a subcutaneous fat layer based on the three-dimensional body surface data and subcutaneous tissue data; Dividing a subcutaneous fat region of a fat layer to be melted into a plurality of fat layers with different depths along the body surface normal direction of the three-dimensional model; And selecting lasers with corresponding focal lengths based on the fat depths to perform fat melting operation until fat melting is completed.
2. The layered fat-melting technique of claim 1, wherein the step of constructing a three-dimensional model comprising a body surface morphology and a subcutaneous fat layer comprises: Acquiring three-dimensional body surface data through a ToF depth camera, and constructing an initial three-dimensional model according to the three-dimensional body surface data; acquiring subcutaneous tissue data containing subcutaneous fat through millimeter wave radar; mapping the subcutaneous tissue data into an initial three-dimensional model to form a three-dimensional model comprising a body surface morphology and a subcutaneous fat layer.
3. A layered fat-melting technique according to claim 2, wherein the step of dividing the fat layer to be melted into several fat layers of different depths comprises: acquiring a fat volume unit reaching a preset minimum thermal dose under the single-point laser action condition, and taking the thickness of the fat volume unit as the thickness of the minimum fat unit; Calculating according to the thickness of the minimum fat unit to obtain the single-layer thickness of the fat layer; Calculating the interlayer distance between adjacent fat layers according to the thickness of the minimum fat unit; inputting the interlayer spacing and the monolayer thickness into the three-dimensional model to obtain a plurality of continuous fat layers along the normal direction of the body surface.
4. A layered fat melting technique according to claim 3, wherein the step of performing a fat melting operation comprises: meshing the three-dimensional model based on the size of the minimum fat unit; collecting a first discrete grid through poisson disk distribution or blue noise point distribution; Determining a laser duty cycle and dwell time based on the thickness of the minimum fat cell and the cell grid width of the first discrete grid; And performing fat melting operation on the fat layer in the first discrete grid based on the laser duty ratio and the residence time.
5. The layered fat-melting technique according to claim 4, wherein the step of performing the fat-melting operation further comprises: after the first discrete grid finishes the fat melting operation, shifting the first discrete grid by one half of the grid length along the X-axis direction and one half of the grid length along the Y-axis direction to form a second discrete grid; Determining a laser duty cycle and dwell time based on the thickness of the minimum fat cell and the cell grid width of the second discrete grid; and performing fat melting operation on the fat layer in the second discrete grid based on the laser duty ratio and the residence time.
6. The technique of claim 4, wherein the laser duty cycle and dwell time of the three-dimensional model edge is less than the laser duty cycle and dwell time of the intermediate region when the fat melting operation is performed.
7. A layered fat melting technique according to any one of claims 4, 5 or 6, wherein the laser dose in the current grid is monitored in real time during the fat melting operation, and if the laser dose is smaller or larger than a preset standard dose, the laser duty cycle and residence time are immediately modified.
8. The layered fat-melting technique of claim 7, wherein the step of modifying the laser duty cycle and dwell time comprises: constructing a standard dose mapping model; Establishing a mapping relation of two-dimensional coordinates, fat layer depth, fat layer curvature, laser incidence angle and preset standard laser dose of a unit grid based on a historical experiment sample, and storing the mapping relation into a standard dose mapping model; acquiring the area, two-dimensional coordinates and fat layer depth and fat layer curvature of the current unit grid; acquiring laser output power, laser duty ratio, residence time and laser incidence angle acting on the current unit grid; calculating to obtain the laser dosage of the current grid according to the laser output power, the laser duty ratio, the residence time and the area of the current unit grid; Inputting the two-dimensional coordinates of the current grid, the depth of the fat layer, the curvature of the fat layer and the laser incidence angle into a standard dose mapping model to be matched so as to obtain a preset standard laser dose; Calculating the laser dose and the standard laser dose to obtain laser deviation; and correcting and adjusting the laser duty ratio and the residence time length through the laser deviation amount.
9. The layering and fat melting technology according to claim 1, wherein the step of selecting the laser with the corresponding focal length for fat melting operation comprises: acquiring the depth and curvature of a current fat layer, and simultaneously acquiring a current laser incident angle; inputting the current fat layer depth, the current fat layer curvature and the current laser incident angle into a focal length calculation function, and calculating to obtain corresponding focal length control parameters; Focusing the laser by using the focal length control parameter.
10. The technique of claim 9, wherein the focal length calculation function is formulated as: ; Where z represents the fat layer depth, u represents the focal length control parameter, ρ represents the fat layer curvature, and θ represents the laser incident angle.
11. The technique for layering fat melting according to claim 1, wherein fat melting is performed on each of the fat layers in order of deep to shallow fat melting.
12. The technique for layering fat melting according to claim 1, wherein when fat melting is performed, fat layers staggered from the current fat layer are selected for fat melting after the current fat layer is subjected to fat melting according to the fat layer staggered fat melting sequence.
13. A layered fat melting system comprising: The data acquisition unit is configured to acquire three-dimensional body surface data and subcutaneous tissue data; a model construction unit configured to construct a three-dimensional model based on the three-dimensional body surface data and the subcutaneous tissue data; the depth dividing unit is configured to divide the fat layer to be melted into a plurality of fat layers with different depths along the body surface normal direction of the three-dimensional model; and a laser irradiation unit configured to select a laser of a corresponding focal length based on each fat depth for performing a fat melting operation.
14. The layered fat melt system of claim 13, wherein the system further comprises: And the laser dose monitoring unit is configured to monitor the laser dose in the current grid in real time when the fat melting operation is performed, and immediately correct and adjust the laser duty ratio and the residence time length if the laser dose is smaller or larger than a preset standard dose.
15. A layered fat melt storage medium having instructions stored therein, which when invoked by a processor, are operable to implement the layered fat melt technique of any one of claims 1 to 12.

Description

Layered fat melting technology, system and storage medium Technical Field The invention relates to the technical field of non-invasive human tissue heating/fat reduction, belongs to the optical and control technology of medical/household beauty equipment, and particularly relates to a layering fat melting technology, a layering fat melting system and a storage medium. Background The existing common non-invasive fat melting technology mostly adopts a fixed focal depth surface irradiation or point scanning mode to perform fat melting operation, but the subcutaneous fat depth of different individuals and different body parts has differences, and the laser energy cannot be properly adjusted according to the differences. If the deep fat is wanted to be acted, the laser irradiation is often carried out by keeping constant power for a long time, so that the running cost of equipment is increased, the conditions of insufficient deep fat energy and excessive shallow fat energy are easy to occur, and the expected fat melting effect cannot be achieved. Disclosure of Invention The invention provides a layering fat melting technology, which comprises the following steps: Acquiring three-dimensional body surface data and subcutaneous tissue data; constructing a three-dimensional model comprising a body surface morphology and a subcutaneous fat layer based on the three-dimensional body surface data and the subcutaneous tissue data; Dividing a subcutaneous fat region of a fat layer to be melted into a plurality of fat layers with different depths along the body surface normal direction of the three-dimensional model; and selecting lasers with corresponding focal lengths based on the fat depths to perform fat melting operation until fat melting is completed. Further, the step of constructing a three-dimensional model comprising a body surface morphology and a subcutaneous fat layer comprises: Acquiring three-dimensional body surface data through a ToF depth camera, and constructing an initial three-dimensional model according to the three-dimensional body surface data; acquiring subcutaneous tissue data containing subcutaneous fat through millimeter wave radar; mapping subcutaneous tissue data into the initial three-dimensional model forms a three-dimensional model comprising body surface morphology and subcutaneous fat layers. Further, the step of dividing the fat layer to be melted into a plurality of fat layers with different depths comprises the following steps: Acquiring a fat volume unit reaching a preset minimum thermal dose under the single-point laser action condition, and taking the thickness of the fat volume unit as the thickness of the minimum fat unit; Calculating according to the thickness of the minimum fat unit to obtain the single-layer thickness of the fat layer; Calculating the interlayer distance between adjacent fat layers according to the thickness of the minimum fat unit; and inputting the interlayer spacing and the monolayer thickness into a three-dimensional model to obtain a plurality of continuous fat layers along the normal direction of the body surface. Further, the step of performing the fat melting operation includes: performing grid division on the three-dimensional model based on the size of the minimum fat unit; Collecting a first discrete grid through poisson disk distribution or blue noise point distribution; determining a laser duty cycle and dwell time based on the thickness of the minimum fat cell and the cell grid width of the first discrete grid; fat layers in the first discrete grid are subjected to a fat melting operation based on the laser duty cycle and the residence time. Further, the step of performing the fat melting operation further includes: After the first discrete grid finishes the fat melting operation, shifting the first discrete grid by one half of the grid length along the X-axis direction and shifting the first discrete grid by one half of the grid length along the Y-axis direction to form a second discrete grid; determining a laser duty cycle and dwell time based on the thickness of the minimum fat cell and the cell grid width of the second discrete grid; Fat layers in the second discrete grid are subjected to a fat melting operation based on the laser duty cycle and the residence time. Further, when the fat melting operation is carried out, the laser duty ratio and the residence time of the edge of the three-dimensional model are smaller than those of the middle area. Further, when the fat melting operation is carried out, the laser dose in the current grid is monitored in real time, and if the laser dose is smaller or larger than a preset standard dose, the laser duty ratio and the residence time length are immediately corrected and adjusted. Further, the step of correcting and adjusting the laser duty ratio and residence time length comprises the following steps: constructing a standard dose mapping model; establishing a mapping relation of two-dimensional coord