WO2018082080A1 - Procédé et dispositif de détection de pression - Google Patents

Procédé et dispositif de détection de pression Download PDF

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Publication number
WO2018082080A1
WO2018082080A1 PCT/CN2016/104840 CN2016104840W WO2018082080A1 WO 2018082080 A1 WO2018082080 A1 WO 2018082080A1 CN 2016104840 W CN2016104840 W CN 2016104840W WO 2018082080 A1 WO2018082080 A1 WO 2018082080A1
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WIPO (PCT)
Prior art keywords
fingerprint image
pressure level
data
fingerprint
feature value
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Application number
PCT/CN2016/104840
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English (en)
Chinese (zh)
Inventor
刘卫芳
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深圳市汇顶科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 深圳市汇顶科技股份有限公司 filed Critical 深圳市汇顶科技股份有限公司
Priority to CN201680001297.0A priority Critical patent/CN107077279B/zh
Priority to PCT/CN2016/104840 priority patent/WO2018082080A1/fr
Publication of WO2018082080A1 publication Critical patent/WO2018082080A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1365—Matching; Classification

Definitions

  • the present application belongs to the technical field of smart terminals, and in particular, to a method and device for pressure detection.
  • Intelligent terminals have the ability to access the Internet, usually equipped with various operating systems, and can customize various functions according to user needs.
  • Smart terminals commonly found in life include mobile smart terminals, in-vehicle smart terminals, smart TVs, wearable devices, and the like.
  • intelligent terminals with pressure detection function are increasingly entering the user's life, such as adding sliding, clicking, etc. on the pressing module.
  • Function applied to page turning, image zooming and other scenarios.
  • Pressure detection according to the biometric characteristics when the user presses the above pressing module becomes a new research direction, such as fingerprint texture, blood flow, heartbeat intensity, etc., but the biometrics of different users are different, resulting in a large error in the detected pressure level.
  • the biometric feature for pressure detection is the fingerprint information of the user
  • the fingerprint data corresponding to different fingerprints are different under the same pressure due to the difference in the thickness of the stratum corneum of different fingers and the depth of the fingerprint texture.
  • the detected pressure level error is large, and the user experience of the pressure detection function based on the fingerprint data is poor.
  • the present invention provides a method and a device for detecting pressure, which can identify the collected fingerprint image, analyze the pressed data, calculate the pressure level according to the separately obtained pressure level quantization parameter and the object feature value, and improve the pressure. The accuracy of the test.
  • An embodiment of the present invention provides a method for pressure detection, including: collecting a fingerprint image, identifying the fingerprint image, and obtaining a corresponding pressure level quantization parameter; parsing the pressed data, and acquiring the pressed data The object feature value; calculating a pressure level of the finger press according to the pressure level quantization parameter and the object feature value.
  • Another embodiment of the present invention provides an electronic device for pressure detection, comprising: a parameter acquisition module, configured to collect a fingerprint image, identify the fingerprint image, and obtain a corresponding pressure level quantization parameter; and the feature value acquisition module uses The pressure data is parsed and the object feature value of the pressed data is acquired; the pressure acquiring module is configured to calculate a pressure level of the finger press according to the pressure level quantization parameter and the object feature value.
  • a further embodiment of the present application further provides a non-volatile computer storage medium storing computer executable instructions, the computer executable instructions comprising: collecting a fingerprint image, identifying the fingerprint image, and obtaining a corresponding a pressure level quantification parameter; parsing the press data, and acquiring an object feature value of the press data; calculating a pressure level of the finger press according to the pressure level quantization parameter and the object feature value.
  • a further embodiment of the present application further provides an electronic device comprising: at least one processor; and at least one memory; wherein the at least one memory stores a program executable by the at least one processor, the instruction being Executing, by the at least one processor, the at least one processor is configured to: acquire a fingerprint image, identify the fingerprint image, and obtain a corresponding pressure level quantization parameter; parse the pressed data, and acquire the Determining an object feature value of the pressed data; calculating a pressure level of the finger press based on the pressure level quantization parameter and the object feature value.
  • FIG. 1 is a flow chart of an embodiment of a pressure detecting method of the present application
  • FIG. 2 is a schematic structural diagram of hardware of an embodiment of a pressing module of the present application.
  • FIG. 3 is a schematic structural diagram of hardware of another embodiment of a pressing module of the present application.
  • FIG. 4 is a flow chart of an embodiment of the step S1 of the pressure detecting method of the present application shown in FIG. 1;
  • FIG. 5 is a flow chart of an embodiment of a pressure detecting method according to the present application.
  • FIG. 6 is a flow chart of an embodiment of step S3 of the pressure detecting method of the present application shown in FIG. 1;
  • FIG. 7 is a schematic structural view of an embodiment of a pressure detecting device of the present application.
  • FIG. 8 is a schematic structural view of an embodiment of a parameter acquisition module in the pressure detecting device of the present application shown in FIG. 7;
  • FIG. 9 is a schematic structural view of an embodiment of a pressure detecting device of the present application.
  • FIG. 10 is a schematic structural view of an embodiment of a pressure acquisition module in a pressure detecting device of the present application.
  • FIG. 11 is a schematic diagram showing the hardware structure of an electronic device for performing a pressure detecting method according to the present application.
  • the present application identifies the obtained fingerprint image and analyzes the pressed data according to the pressure.
  • the level quantization parameter and the object feature value are calculated to obtain a pressure level.
  • the present application uses different pressure level quantization parameters in combination with the object feature values to obtain a pressure level, thereby improving the accuracy of the pressure level detection and improving the performance and user experience of the pressure detection.
  • the embodiment of the present application provides a method for pressure detection, which is applied to an intelligent terminal having a pressing module.
  • the smart terminal includes a mobile phone, a notebook, a tablet computer, a POS machine, and a car computer.
  • the method includes:
  • S1 Collect a fingerprint image, identify the fingerprint image, and obtain a corresponding pressure level quantization parameter.
  • the present application uses different pressure level quantization parameters in combination with the object feature values to obtain a pressure level, thereby improving the accuracy of the pressure level detection and improving the performance and user experience of the pressure detection.
  • the pressing module may be configured to collect a fingerprint image of the finger and obtain corresponding pressing data when the user presses with a finger thereof.
  • the pressing data includes one or more of fingerprint texture data, blood flow data, and heart rate strength data.
  • the fingerprint texture data may be obtained from the collected fingerprint image when the user presses the pressing module with the finger, that is, the fingerprint texture data may be specifically represented as the fingerprint image;
  • the flow data and the heartbeat intensity data may be obtained by detecting the finger when the finger is pressed to the contact surface of the pressing module.
  • the fingerprint texture data, the blood flow data, and the heartbeat intensity data can represent a pressure letter that the user presses the pressing module with his finger.
  • Information that is, the pressure information can be obtained by analyzing the characteristics of the fingerprint texture, blood flow, and heartbeat intensity obtained above.
  • the pressing module may include a fingerprint collection device and a pressure sensing device for acquiring a fingerprint image and pressing data, respectively.
  • the fingerprint collection device and the pressure sensing device may be integrally formed (as shown in FIG. 2), such as integrated in the same fingerprint sensor or fingerprint detection module; or, in another In an embodiment, the fingerprint collection device and the pressure sensing device may be two separate functional components formed separately (as shown in FIG. 3).
  • the fingerprint collecting device in the pressing module 20 is integrally formed with the pressure sensing device, and the pressing module 20 can be integrated with the integrated fingerprint collecting device and the pressure sensing device. Collect fingerprint images and obtain corresponding press data.
  • FIG 3 is a schematic diagram of a hardware structure of another embodiment of the pressing module of the present application.
  • the fingerprint collecting device and the pressure sensing device of the pressing module 20 are formed separately, wherein the fingerprint collecting device 22 can be used for collecting fingerprint images and pressure sensing devices. 23 can be used to acquire compression data corresponding to the fingerprint image.
  • the feature data is described as the press data.
  • the pressure sensing device may be a blood flow detecting device, and the blood flow detecting device obtains blood flow data when the finger is pressed with different strengths in real time, and the blood flow data is not actual blood flow. Rather, it is a value proportional to the actual blood flow, which can represent the actual blood flow. Blood flow data obtained by the blood flow detecting device is used as the pressing data.
  • the pressure sensing device may be a pulse detecting device, and the pulse detecting device obtains the heartbeat intensity data generated when the finger is pressed with different strengths in real time.
  • the pulse detecting device can obtain the heartbeat intensity data by the capacitance detecting method, and the method belongs to the prior art, and details are not described herein again.
  • the heartbeat intensity data obtained by the pulse detecting device is used as the pressing data.
  • the present application may also use a toe image, or other object image instead of a fingerprint image of a finger, and the specific implementation manner is similar, and details are not described herein again.
  • the step S1 includes:
  • the fingerprint image can be acquired by the fingerprint collection device.
  • the fingerprint image information database may pre-store the fingerprint image template information of the registered user, and each fingerprint image template information stores a fingerprint indication value and a pressure level quantization parameter corresponding to the fingerprint indication value.
  • the fingerprint indication value includes a shape of a fingerprint, a core point, a number of lines, and the like for indicating the identity of the user's finger.
  • the application obtains the fingerprint indication value of the finger according to the fingerprint image of the finger, and queries the fingerprint image template information in the fingerprint image information database; if there is a fingerprint image value in the fingerprint image template information and the acquired fingerprint image If the fingerprint identification values are the same, it means that there is fingerprint image template information matching the fingerprint image of the finger in the fingerprint image information base.
  • the pressure level quantization parameter corresponding to the fingerprint image is read from the fingerprint image template information.
  • the default value is set as the pressure level quantization parameter.
  • the default values are set by those skilled in the art as needed.
  • the fingerprint image of the finger obtained by the pressing module is identified, and according to whether the pre-stored fingerprint image information library has matching image template information, a pressure level quantization parameter corresponding to the fingerprint image is obtained. Therefore, the embodiment can obtain different pressure level quantization parameters according to different fingerprint images.
  • the method further includes:
  • the pressing module can switch to the pressure detecting mode, and the system prompts the user to press the pressing module from the light to the heavy (ie, the pressing force is small to large) by using the finger.
  • the continuous pressing data is the pressing data obtained by the registered user who continuously collects the pressing module from light to heavy.
  • the fingerprint texture data may be specifically represented as a fingerprint image, and the fingerprint collection device captures a fingerprint image pressed by the user's finger from light to heavy until the finger is raised.
  • the continuous pressing data of the registered user is valid pressing data
  • the pressing data is the fingerprint texture data.
  • the fingerprint texture data whose pressing area is greater than a certain threshold is the effective pressing data.
  • the fingerprint texture data may be specifically represented as a fingerprint image.
  • the continuously collected user presses the fingerprint image of the pressing module from light to heavy, and calculates the continuous collection.
  • the object feature value of each frame of the fingerprint image in the fingerprint image is obtained as an object feature value ⁇ x 1 , x 2 , . . . , x M ⁇ , where M is the number of frames of the acquired continuous fingerprint image.
  • the object feature values include one or more of a mean value, a peak value, a ridge deformation degree, and the like that can measure the magnitude of the pressing force.
  • the set pressure level ranges from [0, N], the range of the change is [0, S], and the mapping function from the maximum change to the pressure level is:
  • n f(s, ⁇ )
  • n ⁇ [0, N] represents the pressure level
  • s ⁇ [0, S] represents the amount of change of the fingerprint image feature value with respect to the reference feature value
  • S1000 Save the pressure level quantization parameter as fingerprint image template information of the registered user into the fingerprint image information base.
  • the pressure level quantization parameter may be stored in the fingerprint image template information of the registered user according to the fingerprint indication value of the fingerprint image, and pre-stored in the fingerprint image information database. Since the pressure level quantization parameter is stored in the fingerprint image template information based on the fingerprint identification value of the fingerprint image, the pressure level quantization parameter is the fingerprint image in the fingerprint image information database. There is a corresponding relationship between the fingerprint identification values.
  • the step S3 includes:
  • the reference feature value is an object feature value x base corresponding to the first set of valid press data in the continuous press data.
  • the fingerprint texture data may be specifically represented as a fingerprint image
  • the reference feature value may be a fingerprint feature value corresponding to the acquired first frame fingerprint image
  • a variation s curr
  • n curr f(s curr , ⁇ curr )
  • the embodiment of the present application further provides a device for pressure detection, which is applied to a smart terminal having a pressing module.
  • the smart terminal includes a mobile phone, a notebook, a tablet computer, a POS machine, and a car computer.
  • the apparatus includes:
  • the parameter obtaining module 70 is configured to collect a fingerprint image, identify the fingerprint image, and obtain a corresponding pressure level quantization parameter.
  • the feature value obtaining module 80 is configured to parse the pressed data and acquire an object feature value of the pressed data.
  • the pressure acquisition module 90 is configured to calculate a pressure level of the finger press based on the pressure level quantization parameter and the object feature value.
  • the present application uses different pressure level quantization parameters in combination with the object feature values to obtain a pressure level, thereby improving the accuracy of the pressure level detection and improving the performance and user experience of the pressure detection.
  • the pressing module may be configured to collect a fingerprint image of the finger and obtain corresponding pressing data when the user presses with a finger thereof.
  • the pressing data includes one or more of fingerprint texture data, blood flow data, and heart rate strength data.
  • the fingerprint texture data may be obtained from the collected fingerprint image when the user presses the pressing module with the finger, that is, the fingerprint texture data may be specifically represented as the fingerprint image;
  • the flow data and the heartbeat intensity data may be obtained by detecting the finger when the finger is pressed to the contact surface of the pressing module.
  • the fingerprint texture data, the blood flow data, and the heartbeat intensity data can represent the pressure information of the user pressing the pressing module with the finger thereof, that is, the fingerprint texture, the blood flow, and the heartbeat can be obtained by analyzing the above obtained fingerprint.
  • the characteristics of the intensity obtain pressure information.
  • the pressing module may include a fingerprint collection device and a pressure sensing device for acquiring a fingerprint image and pressing data, respectively.
  • the fingerprint collection device and the pressure sensing device may be integrally formed (as shown in FIG. 2), for example, integrated in the same fingerprint sensor or fingerprint detection module;
  • the fingerprint collection device and the pressure sensing device may be two separate functional components (as shown in FIG. 3) formed separately or separately.
  • the fingerprint collecting device in the pressing module 20 is integrally formed with the pressure sensing device, and the pressing module 20 can be integrated with the integrated fingerprint collecting device and the pressure sensing device.
  • the captured fingerprint image and the corresponding pressed data are obtained.
  • FIG 3 is a schematic diagram of a hardware structure of another embodiment of the pressing module of the present application.
  • the fingerprint collecting device and the pressure sensing device in the pressing module 20 are formed separately, wherein the fingerprint collecting device 22 can be used for collecting fingerprint images and pressure.
  • the sensing device 23 can be configured to acquire and acquire a corresponding image of the fingerprint Press the data.
  • taking the pressing data as fingerprint image data as an example obtaining a fingerprint image by using the fingerprint collecting device, parsing the fingerprint image, and obtaining feature data of the fingerprint, such as mean value, peak value, and degree of ridge deformation And the feature data is used as the press data.
  • the pressure sensing device may be a blood flow detecting device, and the blood flow detecting device obtains blood flow data when the finger is pressed with different strengths in real time, and the blood flow data is not actual blood flow. Rather, it is a value proportional to the actual blood flow, which can represent the actual blood flow. Blood flow data obtained by the blood flow detecting device is used as the pressing data.
  • the pressure sensing device may be a pulse detecting device, and the pulse detecting device obtains the heartbeat intensity data generated when the finger is pressed with different strengths in real time.
  • the pulse detecting device can obtain the heartbeat intensity data by the capacitance detecting method, and the method belongs to the prior art, and details are not described herein again.
  • the heartbeat intensity data obtained by the pulse detecting device is used as the pressing data.
  • the present application may also use a toe image, or other object image instead of a fingerprint image of a finger, and the specific implementation manner is similar, and details are not described herein again.
  • the parameter obtaining module 70 includes:
  • the fingerprint collection module 71 is configured to collect the fingerprint image
  • the fingerprint identification module 72 is configured to determine whether there is fingerprint image template information matching the fingerprint image in the pre-stored fingerprint image information database.
  • the fingerprint image information database may pre-store the fingerprint image template information of the registered user, and each fingerprint image template information stores a fingerprint indication value and a pressure level quantization parameter corresponding to the fingerprint indication value.
  • the fingerprint indication value includes a shape of a fingerprint, a core point, a number of lines, and the like for indicating the identity of the user's finger.
  • the present application obtains the fingerprint indication value of the finger and queries the fingerprint image template information in the fingerprint image information database; if there is a fingerprint image value in the fingerprint image template information and the acquired fingerprint image If the fingerprint indication values are the same, it means that there is fingerprint image template information matching the fingerprint image of the finger in the fingerprint image information base.
  • the information query module 73 is configured to: when there is matching fingerprint image template information, from the finger The pressure level quantization parameter is read in the pattern image template information.
  • the pressure level quantization parameter corresponding to the fingerprint image is read from the fingerprint image template information.
  • the default value setting module 74 is configured to set a default value to the pressure level quantization parameter when there is no matching fingerprint image template information.
  • the default value is set as the pressure level quantization parameter.
  • the default values are set by those skilled in the art as needed.
  • the fingerprint image of the finger obtained by the pressing module is identified, and according to whether the pre-stored fingerprint image information library has matching image template information, a pressure level quantization parameter corresponding to the fingerprint image is obtained. Therefore, the embodiment can obtain different pressure level quantization parameters according to different fingerprint images.
  • the apparatus further includes:
  • the feature value processing module 75 is configured to acquire an object feature value of at least two sets of consecutive press data of the registered user, and a maximum change amount thereof relative to the reference feature value.
  • the pressing module can switch to the pressure detecting mode, and the system prompts the user to press the pressing module from the light to the heavy (ie, the pressing force is small to large) by using the finger.
  • the continuous pressing data is the pressing data obtained by the registered user who continuously collects the pressing module from light to heavy.
  • the fingerprint texture data is specifically represented as a fingerprint image, and the fingerprint collection device captures a fingerprint image pressed by the user's finger from light to heavy until the finger is raised.
  • the continuous pressing data of the registered user is valid pressing data
  • the pressing data is the fingerprint texture data.
  • the fingerprint texture data whose pressing area is greater than a certain threshold is the effective pressing data.
  • the fingerprint texture data may be specifically represented as a fingerprint image; first, the continuously collected user presses the fingerprint image of the pressing module from light to heavy, and calculates the continuous collection.
  • the object feature value of each frame of the fingerprint image in the fingerprint image is obtained as an object feature value ⁇ x 1 , x 2 , . . . , x M ⁇ , where M is the number of frames of the acquired continuous fingerprint image.
  • the object characteristic values include one or more of a mean value, a peak value, a ridge deformation degree, and the like that can measure the magnitude of the pressing force.
  • the parameter processing module 76 is configured to calculate the pressure level quantization parameter according to the maximum variation amount and a preset pressure level value range.
  • the set pressure level ranges from [0, N], the range of the change is [0, S], and the mapping function from the maximum change to the pressure level is:
  • n f(s, ⁇ )
  • n ⁇ [0, N] represents the pressure level
  • s ⁇ [0, S] represents the amount of change in the fingerprint image feature value relative to the reference feature value
  • f ( ⁇ ) represents the mapping function.
  • the information storage module 77 is configured to save the pressure level quantization parameter as fingerprint image template information of the registered user into the fingerprint image information base.
  • the pressure level quantization parameter may be stored in the fingerprint image template information of the registered user according to the fingerprint indication value of the fingerprint image, and pre-stored in the fingerprint image information database. Since the fingerprint level information is stored in the fingerprint image template information as a basis of the fingerprint image value of the fingerprint image, the pressure level quantization parameter is a fingerprint with the fingerprint image in the fingerprint image information library. There is a corresponding relationship between the marked values.
  • the pressure acquisition module 90 includes:
  • the change amount acquisition module 91 is configured to calculate a change amount of the object feature value with respect to the reference feature value.
  • the reference feature value is an object feature value corresponding to the first group of valid press data in the continuous press data.
  • the fingerprint texture data may be specifically represented as a fingerprint image
  • the reference feature value may be a fingerprint feature value x base corresponding to the acquired first frame fingerprint image.
  • a variation s curr
  • of the object feature value x curr with respect to the reference feature value is calculated.
  • a pressure calculation module 92 is configured to quantize the amount of change to the pressure level based on the pressure level quantization parameter.
  • n curr f(s curr , ⁇ curr )
  • FIG. 11 is a schematic diagram showing the hardware structure of some electronic devices for performing a pressure detecting method according to the present application. According to Figure 11, the device comprises:
  • processors 1110 and a memory 1120 are illustrated by one processor 1110 in FIG.
  • the apparatus for performing the seed pressure detecting method may further include: an input device 1130 and an output device 1130.
  • the processor 1110, the memory 1120, the input device 1130, and the output device 1130 may be connected by a bus or other means, as exemplified by a bus connection in FIG.
  • the processor 1110 of the embodiment of the present application exists in various forms, including but not limited to:
  • Chip It is a carrier of an integrated circuit (IC), for example, a fingerprint chip, which can realize fingerprint collection and fingerprint recognition functions.
  • IC integrated circuit
  • the memory 1120 is a non-volatile computer readable storage medium, and can be used for storing a non-volatile software program, a non-volatile computer executable program, and a module, such as a program corresponding to the pressure detecting method in the embodiment of the present application. Instruction/module.
  • the processor 1110 performs various functional applications and data processing of the server by executing non-volatile software programs, instructions, and modules stored in the memory 1120, that is, implementing the pressure detecting method in the above method embodiments.
  • the memory 1120 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the pressure detecting device, and the like.
  • the memory 1120 can include a high speed random access memory 1120, and can also include a non-volatile memory 1120, such as at least one disk storage. 1120 pieces, flash memory devices, or other non-volatile solid state memory 1120 pieces.
  • the memory 1120 can optionally include a memory 1120 remotely disposed relative to the processor 1110, which can be connected to the medium pressure detecting device via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the input device 1130 can receive input numeric or character information and generate key signal inputs related to user settings and function control of the seed pressure detecting device.
  • the input device 1130 can include a device such as a pressing module.
  • the one or more modules are stored in the memory 1120, and when executed by the one or more processors 1110, perform a pressure detection method in any of the above method embodiments.
  • the electronic device of the embodiment of the present application exists in various forms, including but not limited to:
  • Mobile communication devices These devices are characterized by mobile communication functions and are mainly aimed at providing voice and data communication.
  • Such terminals include: smart phones (such as iPhone), multimedia phones, functional phones, and low-end phones.
  • Ultra-mobile personal computer equipment This type of equipment belongs to the category of personal computers, has computing and processing functions, and generally has mobile Internet access.
  • Such terminals include: PDAs, MIDs, and UMPC devices, such as the iPad.
  • Portable entertainment devices These devices can display and play multimedia content. Such devices include: audio, video players (such as iPod), handheld game consoles, e-books, and smart toys and portable car navigation devices.
  • the server consists of a processor 1110, a hard disk, a memory, a system bus, etc.
  • the server is similar to a general-purpose computer architecture, but is capable of processing and stable due to the need to provide highly reliable services. Sex, reliability, security, scalability, manageability, etc. are highly demanding.
  • the device embodiments described above are merely illustrative, wherein the modules described as separate components may or may not be physically separate, and the components displayed as modules may or may not be physical modules, ie may be located One place, or it can be distributed to multiple networks On the module. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.
  • a machine-readable medium includes read only memory (ROM), random access memory (RAM), magnetic disk storage media, optical storage media, flash storage media, electrical, optical, acoustic, or other forms of propagation signals (eg, carrier waves) , an infrared signal, a digital signal, etc., etc., the computer software product comprising instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the various embodiments or portions of the embodiments described Methods.
  • ROM read only memory
  • RAM random access memory
  • magnetic disk storage media e.g., magnetic disks, magnetic disk storage media, optical storage media, flash storage media, electrical, optical, acoustic, or other forms of propagation signals (eg, carrier waves) , an infrared signal, a digital signal, etc., etc.
  • the computer software product comprising instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform the various embodiments or portions of the embodiment

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Abstract

L'invention concerne un procédé et un dispositif de détection de pression. Le procédé consiste à : collecter une image d'empreinte digitale, reconnaître l'image d'empreinte digitale, et obtenir un paramètre de quantification de niveau de pression de l'image d'empreinte digitale (S1); analyser des données de pression, et obtenir une valeur de caractéristique d'objet des données de pression (S2); et calculer un niveau de pression d'une pression d'un doigt en fonction du paramètre de quantification de niveau de pression et de la valeur de caractéristique d'objet (S3). Dans le procédé, une image d'empreinte digitale collectée est reconnue, des données de pression sont analysées, et un niveau de pression est calculé selon un paramètre de quantification de niveau de pression et une valeur de caractéristique d'objet qui sont respectivement obtenues, ce qui permet d'améliorer l'exactitude de la détection du niveau de pression, et d'améliorer les performances de détection de pression et d'expérience d'utilisateur.
PCT/CN2016/104840 2016-11-07 2016-11-07 Procédé et dispositif de détection de pression WO2018082080A1 (fr)

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CN201680001297.0A CN107077279B (zh) 2016-11-07 2016-11-07 一种压力检测的方法及装置
PCT/CN2016/104840 WO2018082080A1 (fr) 2016-11-07 2016-11-07 Procédé et dispositif de détection de pression

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Cited By (3)

* Cited by examiner, † Cited by third party
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CN109782667A (zh) * 2019-01-25 2019-05-21 苏州华兴源创科技股份有限公司 压力测试系统及方法、计算机设备及可读存储介质
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