WO2024021000A1 - Système et procédé d'évaluation de rides dynamiques sur un matériau kératinique d'un utilisateur à tester - Google Patents

Système et procédé d'évaluation de rides dynamiques sur un matériau kératinique d'un utilisateur à tester Download PDF

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Publication number
WO2024021000A1
WO2024021000A1 PCT/CN2022/108882 CN2022108882W WO2024021000A1 WO 2024021000 A1 WO2024021000 A1 WO 2024021000A1 CN 2022108882 W CN2022108882 W CN 2022108882W WO 2024021000 A1 WO2024021000 A1 WO 2024021000A1
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WO
WIPO (PCT)
Prior art keywords
user
images
dynamic wrinkles
wrinkles
computing device
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Application number
PCT/CN2022/108882
Other languages
English (en)
Inventor
Zhijun Zhou
Jing Li
Chengda YE
Original Assignee
L'oreal
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Publication date
Application filed by L'oreal filed Critical L'oreal
Priority to PCT/CN2022/108882 priority Critical patent/WO2024021000A1/fr
Priority to FR2208692A priority patent/FR3138997A1/fr
Publication of WO2024021000A1 publication Critical patent/WO2024021000A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • A61B5/442—Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2576/00—Medical imaging apparatus involving image processing or analysis
    • A61B2576/02—Medical imaging apparatus involving image processing or analysis specially adapted for a particular organ or body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4848—Monitoring or testing the effects of treatment, e.g. of medication
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
    • A61B5/702—Posture restraints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30088—Skin; Dermal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30196—Human being; Person

Definitions

  • the disclosure relates to the field of processing images. More particularly, the disclosure relates to a system and a method for evaluating dynamic wrinkles on keratin material of a user to be tested.
  • a system for evaluating dynamic wrinkles on keratin material of a user to be tested comprising a positioning device configured to position the user; an image acquisition device including a first computational circuitry configured to obtain images related to facial expressions of the user from directions concurrently; a computing device configured to be coupled with the image acquisition device, the computing device comprises a memory and a processor, wherein the memory stores said images and the processor comprises a second computational circuitry configured to process said images to evaluate dynamic wrinkles.
  • the positioning device comprises a head holder configured to hold the head and ears of the user and a height ruler configured to define a height of the head of the user.
  • the computing device also comprises components for achieving fold-over effect of images between different shooting times in real time and the positioning device is further configured to reposition the user so as to achieve fold-over effect.
  • the image acquisition device comprises at least two high speed cameras configured to obtain continuous images related to facial expressions from at least two different sides of the user concurrently.
  • the image acquisition device comprises three high speed cameras configured to obtain continuous images related to facial expressions from front side, left side and right side of the user concurrently.
  • the system also comprises a shelf configured to hold each of the cameras, wherein the shelf can be adjusted to change shooting angles of each of the cameras.
  • the processor comprises a second computational circuitry configured to also process said images to obtain clinical grading on dynamic wrinkles and/or also process said images to obtain evolution of dynamic wrinkles with facial expression.
  • a method for evaluating dynamic wrinkles on keratin material of a user to be tested comprising the following steps: I) positioning the user; II) obtaining images related to facial expressions of the user from directions concurrently; III) storing said images; and IV) processing said images to evaluate dynamic wrinkles.
  • the step I comprises holding the head and ears of the user; and defining a height of the head of the user.
  • the step I also comprises repositioning the user to achieve fold-over effect of images between different shooting times in real time.
  • the step II also comprises obtaining continuous images related to facial expressions from front side, left side and right side of the user concurrently at high speed.
  • the step II also comprises changing shooting angles of each of cameras by adjusting a shelf configured to hold each of the cameras.
  • the step III also comprises processing said images to obtain clinical grading on dynamic wrinkles and/or processing said images to obtain evolution of dynamic wrinkles with facial expression.
  • an apparatus for evaluating dynamic wrinkles on keratin material of a user to be tested comprising means to perform steps of the method according to the second aspect of the disclosure.
  • a computer readable medium having stored thereon instructions that when executed cause a computing device to perform steps of the method according to the second aspect of the disclosure.
  • the disclosure can provide all-in-one solution for image shooting, repositioning and storage simultaneously; make a promising dynamic wrinkle evaluation and obtain clinical grading on dynamic wrinkles.
  • Fig. 1 illustrates a block diagram of a system 100 of evaluating dynamic wrinkles on keratin material of a user to be tested in accordance with a first aspect of the present disclosure.
  • Fig. 2 illustrates a first example for applying the system 100 in accordance with the present disclosure.
  • Fig. 3 illustrates a second example for applying the system 100 in accordance with the present disclosure.
  • Fig. 4 illustrates a flow diagram of a method 400 of evaluating dynamic wrinkles on keratin material of a user to be tested in accordance with a second aspect of the present disclosure.
  • the present technology may be embodied in hardware and/or in software (including firmware, resident software, micro-code, etc. ) .
  • the present technology may take the form of a computer program product on a computer-usable or computer-readable storage medium having computer-usable or computer-readable program code embodied in the medium for use by or in connection with an instruction execution system.
  • a computer-usable or computer-readable medium may be any medium that may contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
  • the inventive concept is to provide an all-in-one evaluation solution for capturing standard, real-time and multi-directional dynamic images and videos for dynamic wrinkles evaluation and facial expressions analysis.
  • Fig. 1 illustrates a block diagram of a system 100 of evaluating dynamic wrinkles on keratin material of a user to be tested in accordance with a first aspect of the present disclosure.
  • the system 100 comprises a positioning device 101 configured to position the user, an image acquisition device 102 including a first computational circuitry configured to obtain images related to facial expressions of the user from directions concurrently and a computing device 103 configured to be coupled with the image acquisition device 102, the computing device 103 comprises a memory 103a and a processor 103b, wherein the memory stores said images and the processor comprises a second computational circuitry configured to process said images to evaluate dynamic wrinkles.
  • the positioning device 101 comprises a head holder configured to hold the head and ears of the user; and a height ruler configured to define a height of the head of the user.
  • Such head holder and such height ruler can be separate components or an integrated shelf.
  • the user can be positioned for the first time in terms of the height direction and left-right direction so that the user can be stable when shooting the user by the image acquisition device 102.
  • the user can be repositioned by components comprised in the computing device 103 for achieving fold-over effect of images between different shooting times in real time.
  • the image acquisition device 102 obtains a plurality of first images of the user at a first time point which will be viewed by an operator of the computing device 103; then the image acquisition device 102 obtains a plurality of second images of the user at a second time point which will be viewed by an operator of the computing device 103. If the operator of the computing device 103 finds that boundaries of the plurality of first images and boundaries of the plurality of second images are not aligned with each other by components comprised in the computing device 103 for achieving fold-over effect of images between different shooting times in real time, the user can be repositioned by adjusting the head holder and the height ruler so that fold-over effect of images between different shooting times in real time can be achieved.
  • the user to be tested is fine-tuned by adjusting angles and positions of faces. Then, if necessary, height of the head, ears and so on is further fined-tuned.
  • Such multiple repositioning process can help the operator to get consistent images of different time points which is critical to the image evaluation method of cosmetic products.
  • the image acquisition device 103 comprises at least two high speed cameras configured to obtain continuous images related to facial expressions from at least two different sides of the user concurrently.
  • the image acquisition device 103 comprises three high speed cameras configured to obtain continuous images related to facial expressions from front side, left side and right side of the user concurrently. That is, a first high speed camera is located in front side of the user, a second high speed camera is located in left side of the user and a third high speed camera is located in right side of the user. Such three high speed cameras can obtain continuous images related to facial expressions from three directions.
  • the high speed cameras can capture continuous images at a high speed by a computing device which can be converted to videos as a demo form to be viewed and analyzed by any person later.
  • a computing device which can be converted to videos as a demo form to be viewed and analyzed by any person later.
  • voice from operator and video instructions the user to be tested is guided to consistently perform facial expressions at different time points. For example, during capturing images, the user can relax his/her facial muscles, keep them loose, and make the following expressions: smile, grin, raise your eyes, get angry and so on.
  • serial images from neutral expressions to different expressions such as smile, grin, raise your eyes, get angry can be captured in different time points.
  • high speed can be such as at least 1000 frames per second, 2 billion frames per second and so on; however in the context of the disclosure, “high speed” in the disclosure is not limited to such values, instead can be set by the user on-demand.
  • each of such cameras can be located in a designed and adjustable shelf which can be adjusted to change shooting angles of each of the cameras flexibly.
  • Such shelf has an adjustable component to easy adjust the shooting angle of the cameras.
  • the computing device 103 configured to be coupled with the image acquisition device 102 via a wireless connection such as WIFI, Bluetooth or a wireless connection such as cable.
  • a wireless connection such as WIFI, Bluetooth or a wireless connection such as cable.
  • the live view and images of different views can be observed on a display of the computing device 103.
  • the memory 103a comprised in the computing device 103 stores obtained images real time.
  • the processor 103b comprised in the computing device 103 can analyze obtained images to evaluate dynamic wrinkles.
  • the processor 103b can analyze obtained images to obtain evolution of dynamic wrinkles with facial expression.
  • a region of interest is selected from obtained images from neutral to maximized expressions; such region of interest is analyzed in order to obtain evolution of dynamic wrinkles.
  • the disclosure is not limited to such example.
  • the processor 103b can analyze obtained images to obtain clinical grading on dynamic wrinkles.
  • clinical grading is obtained such as by a dermatologist based on aging atlas or by artificial intelligence technology for obtained images.
  • the disclosure is not limited to such example.
  • Computing device 103 can be, for example, a server of a service provider, a device associated with a client (e.g, a client device) , a system on a chip, and/or any other suitable computing device or computing system.
  • computing device 103 can take a variety of different configurations.
  • computing device 103 can be implemented as a computer-like device including a personal computer, desktop computer, multi-screen computer, laptop computer, netbook, and the like.
  • Computing device 103 can also be implemented as a mobile device-like device that includes mobile devices such as mobile phones, portable music players, portable gaming devices, tablet computers, multi-screen computers, and the like.
  • Computing device 103 can also be implemented as a television-like device that includes a device having or connected to a generally larger screen in a casual viewing environment. These devices include televisions, set-top boxes, game consoles, and the like.
  • each of computational circuitries mentioned in the disclosure includes, among other things, a processor (e.g., a microprocessor, a quantum processor, qubit processor, etc. ) , a central processing unit (CPU) , a digital signal processor (DSP) , an application-specific integrated circuit (ASIC) , a field programmable gate array (FPGA) , and the like, or any combinations thereof, and can include discrete digital or analog circuit elements or electronics, or combinations thereof.
  • each of computational circuitries mentioned in the disclosure includes one or more ASICs having a plurality of predefined logic components.
  • each of computational circuitries mentioned in the disclosure includes one or more FPGAs, each having a plurality of programmable logic components.
  • each of computational circuitries mentioned in the disclosure includes one or more electric circuits, printed circuits, flexible circuits, electrical conductors, electrodes, cavity resonators, conducting traces, ceramic patterned electrodes, electro-mechanical components, transducers, and the like.
  • each of computational circuitries mentioned in the disclosure includes one or more components operably coupled (e.g., communicatively, electromagnetically, magnetically, ultrasonically, optically, inductively, electrically, capacitively coupled, wirelessly coupled, and the like) to each other.
  • circuitry includes one or more remotely located components.
  • remotely located components are operably coupled, for example, via wireless communication.
  • remotely located components are operably coupled, for example, via one or more communication modules, receivers, transmitters, transceivers, and the like.
  • each of computational circuitries mentioned in the disclosure includes a memory that, for example, stores instructions or information.
  • memory include volatile memory (e.g., Random Access Memory (RAM) , Dynamic Random Access Memory (DRAM) , and the like) , non-volatile memory (e.g., Read-Only Memory (ROM) , Electrically Erasable Programmable Read-Only Memory (EEPROM) , Compact Disc Read-Only Memory (CD-ROM) , and the like) , persistent memory, and the like.
  • RAM Random Access Memory
  • DRAM Dynamic Random Access Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • flash memory and the like.
  • memory is coupled to, for example, one or more computing devices by one or more instructions, information, or power buses.
  • each of computational circuitries mentioned in the disclosure includes one or more databases stored in memory.
  • each of computational circuitries mentioned in the disclosure includes one or more look-up tables stored in memory.
  • each of computational circuitries mentioned in the disclosure includes one or more computer-readable media drives, interface sockets, Universal Serial Bus (USB) ports, memory card slots, and the like, and one or more input/output components such as, for example, a graphical user interface, a display, a keyboard, a keypad, a trackball, a joystick, a touch-screen, a mouse, a switch, a dial, and the like, and any other peripheral device.
  • USB Universal Serial Bus
  • each of computational circuitries mentioned in the disclosure includes one or more user input/output components that are operably coupled to at least one computing device configured to control (electrical, electromechanical, software-implemented, firmware-implemented, or other control, or combinations thereof) at least one parameter associated with, for example, determining one or more tissue thermal properties responsive to detected shifts in turn-on voltage.
  • control electrical, electromechanical, software-implemented, firmware-implemented, or other control, or combinations thereof
  • each of computational circuitries mentioned in the disclosure includes electrical circuitry forming a general purpose computing device configured by a computer program (e.g., a general purpose computer configured by a computer program which at least partially carries out processes and/or devices described herein, or a microprocessor configured by a computer program which at least partially carries out processes and/or devices described herein) , electrical circuitry forming a memory device (e.g., forms of memory (e.g., random access, flash, read only, etc. ) ) , electrical circuitry forming a communications device (e.g., a modem, communications switch, optical-electrical equipment, etc. ) , and/or any non-electrical analog thereto, such as optical or other analogs.
  • a computer program e.g., a general purpose computer configured by a computer program which at least partially carries out processes and/or devices described herein, or a microprocessor configured by a computer program which at least partially carries out processes and/or devices described herein
  • the disclosure can capture real-time dynamic wrinkles under facial expressions from multi-directions at one time in either photos or video format.
  • the system 100 can also evaluate effect of cosmetic product before and after using cosmetic product for a predefined time period as shown in Fig. 2 and Fig. 3.
  • Fig. 2 illustrates a first example for applying the system 100 in accordance with the invention.
  • dynamic wrinkles to be tested are crow ⁇ s feet wrinkles.
  • the system 100 is used to observe effect of a cosmetic product on an user before and after the user using such cosmetic product for a predefined time period.
  • the cosmetic product can be an anti-wrinkle cream which can be applied to any area of the user body and the predefined time period can be set to four weeks.
  • a first set of ten continuous images are obtained by the image acquisition device 102 during entire process from neutral expression of the user to maximized expression of the user.
  • such first set of ten continuous images can be obtained by three high speed cameras with 3 flashlights respectively from front side, left side and right side of the user concurrently.
  • Ten continuous images are only illustrated and any numbers of images can be used in the context of the disclosure.
  • the memory 103a stores such first set of ten continuous images in real time and crow ⁇ s feet area in these images is analyzed to obtain ten clinical gradings for crow ⁇ s feet area such as based on aging atlas as shown in a curve with small inverted triangles in Fig. 2.
  • a second set of ten continuous images are obtained by the image acquisition device 102 during entire process from neutral expression of the user to maximized expression of the user.
  • such second set of ten continuous images can be obtained by three high speed cameras with 3 flashlights respectively from front side, left side and right side of the user concurrently.
  • the memory 103a stores such second set of ten continuous images in real time and analyzes crow ⁇ s feet area in these images is analyzed to obtain ten clinical gradings for crow ⁇ s feet area such as based on aging atlas as shown in a curve with small solid dots in Fig. 2.
  • Fig. 3 illustrates a second example for applying the system 100 in accordance with the invention.
  • dynamic wrinkles to be tested are nasolabial folds.
  • the system 100 is used to observe effect of a cosmetic product on an user before and after the user using such cosmetic product for a predefined time period.
  • the cosmetic product can be also an anti-wrinkle cream which can be applied to any area of the user body and the predefined time period can be set to four weeks.
  • a first set of ten continuous images are obtained by the image acquisition device 102 during entire process from neutral expression of the user to maximized expression of the user.
  • such first set of ten continuous images can be obtained by three high speed cameras with 3 flashlights respectively from front side, left side and right side of the user concurrently.
  • Ten continuous images are only illustrated and any numbers of images can be used in the context of the disclosure.
  • the memory 103a stores such first set of ten continuous images in real time and nasolabial fold area in these images is analyzed to obtain ten clinical gradings for nasolabial fold area as shown in a curve with small inverted triangles in Fig. 3.
  • a second set of ten continuous images are obtained by the image acquisition device 102 during entire process from neutral expression of the user to maximized expression of the user.
  • such second set of ten continuous images can be obtained by three high speed cameras with 3 flashlights respectively from front side, left side and right side of the user concurrently.
  • the memory 103a stores such second set of ten continuous images in real time and nasolabial fold area in these images is analyzed to obtain ten clinical gradings for nasolabial fold area such as based on aging atlas as shown in a curve with small solid dots in Fig. 3.
  • Figs. 2 and Fig. 3 are only examples of the disclosure and technical solutions of evaluating effect of cosmetic product can be also achieved by obtaining evolution of dynamic wrinkles with facial expression. According to the disclosure, effect of cosmetic product can be obtained for dynamic wrinkles on any area of the user body easily.
  • Fig. 4 illustrates a flow diagram of a method 400 of evaluating dynamic wrinkles on keratin material of a user to be tested in accordance with a second aspect of the present disclosure.
  • the user to be tested is positioned by the positioning device 101.
  • the positioning device 101 comprises a head holder configured to hold the head and ears of the user; and a height ruler configured to define a height of the head of the user.
  • Such head holder and such height ruler can be separate components or an integrated shelf.
  • the user can be positioned for the first time in terms of the height direction and left-right direction so that the user can be stable when shooting the user by the image acquisition device 102.
  • the user can be repositioned by components comprised in the computing device 103 for achieving fold-over effect of images between different shooting times in real time.
  • the image acquisition device 102 obtains a plurality of first images of the user at a first time point which will be viewed by an operator of the computing device 103; then the image acquisition device 102 obtains a plurality of second images of the user at a second time point which will be viewed by an operator of the computing device 103. If the operator of the computing device 103 finds that boundaries of the plurality of first images and boundaries of the plurality of second images are not aligned with each other by components comprised in the computing device 103 for achieving fold-over effect of images between different shooting times in real time, the user can be repositioned by adjusting the head holder and the height ruler so that fold-over effect of images between different shooting times in real time can be achieved.
  • the user to be tested is fine-tuned by adjusting angles and positions of faces. Then, if necessary, height of the head, ears and so on is further fined-tuned.
  • Such multiple repositioning process can help the operator to get consistent images of different time points which is critical to the image evaluation method of cosmetic products.
  • images related to facial expressions of the user from directions concurrently are obtained at high speed by the image acquisition device.
  • images related to facial expressions of the user from at least two different sides (preferably three sides, i.e. front side, left side and right side) of the user concurrently are obtained by at least two (preferably three) high speed cameras at high speed.
  • Such high speed cameras can capture continuous images at a high speed by a computing device which can be converted to videos as a demo form to be viewed and analyzed by any person later.
  • the method also comprises changing shooting angles of each of cameras by adjusting a shelf configured to hold each of the cameras.
  • each of such cameras can be located in a designed and adjustable shelf which can be adjusted to change shooting angles of each of the cameras flexibly.
  • Such shelf has an adjustable component to easy adjust the shooting angle of the cameras.
  • said images are stored in real time. Later, at block 404, said images are processed to evaluate dynamic wrinkles.
  • a dynamic image analysis is analyzed by an automatic image analysis method, thus the evolution of dynamic lines with facial expression can be measured.
  • a region of interest is selected from obtained images from neutral to maximized expressions; such region of interest is analyzed in order to obtain evolution of dynamic wrinkles.
  • the disclosure is not limited to such example.
  • the method 400 also comprises processing said images to obtain clinical grading on dynamic wrinkles.
  • clinical grading is obtained such as by a dermatologist based on aging atlas or by artificial intelligence technology for obtained images.
  • the disclosure is not limited to such example.
  • the method 400 can also evaluate effect of cosmetic product before and after using cosmetic product for a predefined time period.
  • an apparatus for evaluating dynamic wrinkles on keratin material of a user to be tested comprises means to perform the method according to each step of the method 500.
  • a computing readable medium having stored thereon instructions that when executed cause a computing device to perform each step of the method 400.
  • the disclosure can provide all-in-one solution for image shooting, repositioning and storage simultaneously; make a promising dynamic wrinkle evaluation and obtain clinical grading based on Atlas.
  • An embodiment of the disclosure may be an article of manufacture in which a non-transitory machine-readable medium (such as microelectronic memory) has stored thereon instructions (e.g., computer code) which program one or more data processing components (generically referred to here as a “processor” ) to perform the operations described above.
  • a non-transitory machine-readable medium such as microelectronic memory
  • instructions e.g., computer code
  • data processing components program one or more data processing components (generically referred to here as a “processor” ) to perform the operations described above.
  • some of these operations might be performed by specific hardware components that contain hardwired logic (e.g., dedicated digital filter blocks and state machines) .
  • Those operations might alternatively be performed by any combination of programmed data processing components and fixed hardwired circuit components.

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Abstract

L'invention concerne un système et un procédé d'évaluation de rides dynamiques sur un matériau kératinique d'un utilisateur à tester. Le système (100) comprend : un dispositif de positionnement (101) configuré pour positionner l'utilisateur ; un dispositif d'acquisition d'image (102) comprenant une première circuiterie de calcul configurée pour obtenir des images associées à des expressions faciales de l'utilisateur à partir de directions de manière simultanée ; un dispositif informatique (103) configuré pour être couplé au dispositif d'acquisition d'image (102), le dispositif informatique (103) comprend une mémoire (103a) et un processeur (103b), la mémoire (103a) stockant des images et le processeur (103b) comprenant une seconde circuiterie de calcul configurée pour traiter des images pour évaluer des rides dynamiques. Le système et le procédé peuvent fournir une solution tout-en-un pour la prise de vues, le repositionnement et le stockage d'images de manière simultanée, effectuer une évaluation de rides dynamique prometteuse et obtenir un classement clinique sur des rides dynamiques.
PCT/CN2022/108882 2022-07-29 2022-07-29 Système et procédé d'évaluation de rides dynamiques sur un matériau kératinique d'un utilisateur à tester WO2024021000A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2022/108882 WO2024021000A1 (fr) 2022-07-29 2022-07-29 Système et procédé d'évaluation de rides dynamiques sur un matériau kératinique d'un utilisateur à tester
FR2208692A FR3138997A1 (fr) 2022-07-29 2022-08-31 Système et méthode d’évaluation des rides dynamiques sur une matière kératinique d’un utilisateur à tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/108882 WO2024021000A1 (fr) 2022-07-29 2022-07-29 Système et procédé d'évaluation de rides dynamiques sur un matériau kératinique d'un utilisateur à tester

Publications (1)

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