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CN-122005076-A - Fat melting method, system and storage medium for keeping energy consistent

CN122005076ACN 122005076 ACN122005076 ACN 122005076ACN-122005076-A

Abstract

The invention discloses a fat melting method, a system and a storage medium for keeping energy consistent, wherein the fat melting method comprises the steps of collecting relative motion data of a laser projection end and a body surface in real time, collecting body surface point cloud data, constructing a dynamic three-dimensional surface model of a body surface area of a human body according to the relative motion data and the body surface point cloud data, obtaining a first laser irradiation parameter at a first respiration moment, obtaining a first parameter of a fat melting area at the first respiration moment according to the dynamic three-dimensional surface model, obtaining a second parameter of the fat melting area at a second respiration moment according to the dynamic three-dimensional surface model, wherein the second respiration moment is larger than the first respiration moment, calculating to obtain a parameter difference value according to the first parameter and the second parameter, correcting power of the first laser irradiation parameter and single irradiation time length based on the parameter difference value to obtain a second laser irradiation parameter, and irradiating the fat melting area by using the second laser irradiation parameter.

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. 1. A method for maintaining consistent energy of fat melting, comprising the steps of: the relative motion data of the laser projection end and the body surface are collected in real time through the inertial measurement unit, and the body surface point cloud data are collected in real time through the depth perception unit; According to the relative motion data and the body surface point cloud data, a dynamic three-dimensional surface model of a body surface area of the human body is constructed; Acquiring a first laser irradiation parameter at a first respiration moment; Acquiring a first parameter of the fat melting area at the first breathing moment according to the dynamic three-dimensional surface model, wherein the first parameter comprises a first skin surface curvature, a first laser incident angle and a first laser projection distance, and the first laser projection distance is a vertical distance from a laser projection end to the fat melting area; obtaining a second parameter of the fat melting area at a second breathing moment according to the dynamic three-dimensional surface model, wherein the second parameter comprises a second skin surface curvature, a second laser incident angle and a second laser projection distance, the second laser projection distance is a vertical distance from a laser projection end to the fat melting area, and the second breathing moment is larger than the first breathing moment; Calculating to obtain a parameter difference value according to the first parameter and the second parameter; correcting the power and the single irradiation time length of the first laser irradiation parameter based on the parameter difference value to obtain a second laser irradiation parameter; irradiating the fat-melt region using the second laser irradiation parameter.
  2. 2. A method of maintaining energy consistent fat melting as claimed in claim 1 wherein the step of obtaining a first skin surface curvature comprises: Performing grid division on the dynamic three-dimensional surface model by using a Delaunay grid division algorithm; Determining an adjacent region adjacent to the fat-melting region according to the dynamic three-dimensional surface model; Acquiring three vertex coordinates of the fat melting region as a first coordinate set, and acquiring three vertex coordinates of the adjacent region as a second coordinate set; Calculating to obtain the average area side length of the fat melting area according to the first coordinate set; Calculating according to the first coordinate set to obtain a unit normal vector of the fat melting region as a first normal vector, and obtaining a unit normal vector of the adjacent region according to the second coordinate set to obtain a second normal vector; obtaining a vector included angle according to the first normal vector and the second normal vector; And calculating to obtain the first skin surface curvature according to the vector included angle, the average area side length and the curvature correction coefficient.
  3. 3. The method of claim 2, wherein the step of obtaining a first laser incident angle comprises: acquiring a vector of a laser projection direction as a projection vector; And calculating according to the projection vector and the first normal vector to obtain a first laser incident angle.
  4. 4. The method of claim 2, wherein the step of obtaining the first laser throw distance comprises: extracting Z values of three vertex coordinates in the fat melting region; an average value of the three Z values is calculated, and the average value is taken as a first laser projection distance.
  5. 5. A fat melting method according to claim 1, the method is characterized in that the parameter difference value obtained by calculation comprises the following steps: Calculating a difference value between the second laser projection distance and the first laser projection distance as a first difference value; Calculating a difference between the second laser incidence angle and the first laser incidence angle as a second difference; And calculating a difference between the second skin surface curvature and the first skin surface curvature as a third difference.
  6. 6. The method for maintaining consistent energy of claim 1, wherein during the process of melting fat, real-time monitoring the safety index data of the molten fat, and if abnormality of the safety index data of the molten fat is detected, immediately suspending irradiation and triggering a prompt signal; The fat melting safety index data comprise one or more of skin surface temperature, fitting degree of equipment and skin and power fluctuation of laser.
  7. 7. The method of claim 6, wherein monitoring the safety index data of molten fat in real time comprises acquiring the skin temperature by a temperature sensor, and if the skin temperature exceeds a preset safety temperature range, immediately suspending the irradiation of the corresponding region and triggering a prompt signal.
  8. 8. The method of claim 6, wherein monitoring the safety index data further comprises monitoring the degree of adhesion of the device to the skin via a pressure sensor, and if the pressure is below a predetermined pressure threshold, immediately pausing the irradiation and triggering a prompt signal.
  9. 9. The method of claim 6, wherein monitoring the safety index data further comprises collecting power fluctuation of the laser by the power sensor, and if the power fluctuation exceeds a preset power fluctuation range, immediately suspending the laser irradiation and triggering a prompt signal.
  10. 10. The method of claim 1, wherein the step of constructing a dynamic three-dimensional surface model of the body surface region comprises: The method comprises the steps that relative motion data of a laser projection end and a body surface are collected in real time through an inertial measurement unit, wherein the relative motion data comprise relative linear acceleration of the laser projection end and the body surface, relative rotation angular velocity of the laser projection end and the body surface, relative slippage of the laser projection end and the body surface and relative attitude angle of the laser projection end and the body surface; acquiring body surface point cloud data in real time through a depth perception unit; And carrying out feature fusion on the relative motion data and the body surface point cloud data to form a dynamic three-dimensional surface model.
  11. 11. A method of energy consistent fat melting according to claim 10, wherein the inertial measurement unit comprises an accelerometer, a gyroscope and a magnetometer.
  12. 12. The energy-consistent fat melting method of claim 10 wherein the depth sensing unit comprises one or more of a ToF camera, millimeter wave radar and structured light sensor.
  13. 13. A fat melting system for maintaining energy consistency, comprising: the data acquisition unit is configured to acquire the relative motion data of the laser projection end and the body surface in real time and acquire the body surface point cloud data in real time; A model construction unit configured to construct a dynamic three-dimensional surface model of a body surface region of the human body based on the relative motion data and the body surface point cloud data; A parameter acquisition unit configured to acquire a first parameter, a second parameter, and a first laser irradiation parameter; A calculation unit configured to calculate a parameter difference value of the second parameter and the first parameter; the laser regulation and control unit is configured to correct the first laser irradiation parameters based on the parameter difference value to obtain second laser irradiation parameters; a laser emission unit configured to irradiate the fat-melting region according to a second laser irradiation parameter; And the cooling unit is configured to cool down the fat melting area in the fat melting operation process.
  14. 14. A fat melting system according to claim 13, the fat melting system is characterized by further comprising: The safety index monitoring unit is configured to monitor safety index data of the molten fat operation in real time in the irradiation operation process, and immediately pause irradiation and trigger a prompt signal if abnormality of the safety index data of the molten fat operation is monitored.
  15. 15. A storage medium having stored therein instructions for executing the fat melting method according to any one of claims 1 to 12 when called by a processor.

Description

Fat melting method, system and storage medium for keeping energy consistent 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 fat melting method, system and storage medium for keeping energy consistent. Background In the existing fat melting technology, laser projection is easily influenced by skin movement (such as respiration, muscle contraction and hand-held shake) and body surface geometric forms (such as curvature and distance change), projection parameters are difficult to calibrate in real time, energy distribution in a fat melting area is uneven, local energy is excessive or insufficient, fat melting effect is influenced, skin burn risk is increased, and accurate and safe fat melting requirements cannot be met. Disclosure of Invention The invention aims to solve the problem of uneven energy distribution in a fat melting area caused by movement and geometric interference in the existing fat melting technical scheme, and provides a fat melting method, a fat melting system and a fat melting storage medium for keeping energy consistent. The aim of the invention is mainly realized by the following technical scheme: the invention provides a fat melting method for keeping energy consistent, which comprises the following steps: the relative motion data of the laser projection end and the body surface are collected in real time through the inertial measurement unit, and the body surface point cloud data are collected in real time through the depth perception unit; According to the relative motion data and the body surface point cloud data, constructing a dynamic three-dimensional surface model of the body surface area of the human body; Acquiring a first laser irradiation parameter at a first respiration moment; Acquiring a first parameter of a fat melting area at a first breathing moment according to a dynamic three-dimensional surface model, wherein the first parameter comprises a first skin surface curvature, a first laser incident angle and a first laser projection distance, and the first laser projection distance is a vertical distance from a laser projection end to the fat melting area; Obtaining a second parameter of the fat melting area at a second breathing moment according to the dynamic three-dimensional surface model, wherein the second parameter comprises a second skin surface curvature, a second laser incident angle and a second laser projection distance, the second laser projection distance is a vertical distance from the laser projection end to the fat melting area, and the second breathing moment is larger than the first breathing moment; calculating to obtain a parameter difference value according to the first parameter and the second parameter; Correcting the power and the single irradiation time length of the first laser irradiation parameter based on the parameter difference value to obtain a second laser irradiation parameter; the fat-melt area is irradiated using a second laser irradiation parameter. Further, the step of obtaining the first skin surface curvature comprises: Performing grid division on the dynamic three-dimensional surface model by using a Delaunay grid division algorithm; Determining an adjacent region adjacent to the fat-melting region according to the dynamic three-dimensional surface model; acquiring three vertex coordinates of a fat melting area as a first coordinate set, and acquiring three vertex coordinates of an adjacent area as a second coordinate set; according to the first coordinate set, calculating to obtain the average area side length of the fat melting area; Calculating according to the first coordinate set to obtain a unit normal vector of the molten fat region as a first normal vector, and obtaining a unit normal vector of an adjacent region according to the second coordinate set to obtain a second normal vector; Obtaining a vector included angle according to the first normal vector and the second normal vector; and calculating according to the vector included angle, the average area side length and the curvature correction coefficient to obtain the first skin surface curvature. Further, the step of obtaining the first laser incident angle includes: acquiring a vector of a laser projection direction as a projection vector; and calculating according to the projection vector and the first normal vector to obtain a first laser incident angle. Further, the step of obtaining the first laser projection distance includes: Z values of three vertex coordinates in the fat melting area are extracted; an average value of the three Z values is calculated and used as the first laser projection distance. Further, the calculating the parameter difference includes: Calculating a difference between the second laser projection distance and the first laser projection distance as a first differenc