TW201804351A - Three-dimensional biometric feature identification system and method comprising an image sensor, a microprocessor unit and a display unit to recognize the identity of a person - Google Patents

Abstract

A biometric feature identification system comprises an image sensor, a microprocessor unit and a display unit. The microprocessor unit is separately electrically connected to the image sensor and the display unit. The image sensor detects and captures image data of a palm of a person to be identified for transferring to the microprocessor unit. The microprocessor unit has first logic algorithm for analyzing and calculating a relative position between each knuckle and a reference point to generate a first reference data. The microprocessor unit has a second logic algorithm for analyzing and calculating a relative thickness between each finger and the reference point to generate a second reference data. The microprocessor unit proceed with analysis and comparison according to the first and second reference data to generate identification data for transmission to the display unit to be displayed thereby for recognition of the identity of the person.

Description

Three-dimensional biometric identification system and method

The invention relates to the technology of biometric identification, in particular to a system and method with a three-dimensional biometric identification function.

In recent years, due to the increasing number of factors such as human life safety protection and related access control security controls in various environments and occasions, the technology of biometric identification has gradually received attention. And if human beings are used as the biometric identification technology, they can be roughly divided into static biometric identification technology and dynamic biometric identification technology. Among them, the static biometric identification technology is known as fingerprint and face recognition. Or irises recognition, palm print recognition, ear recognition or vein pattern recognition, etc .; among them, the dynamic biometric recognition technology is such as personal gait, personal gesture recognition ), Personal voice recognition or personal signature recognition, etc .; all of the above are the sampling sources of data and analysis operations in the biometric identification technology.

Based on the aforementioned existing biometric identification technology, the present invention will disclose how to analyze and calculate various characteristic data of the human palm, and then use it as a basis for biometric identification in order to improve the security of biometric identification.

In view of the foregoing, an object of the present invention is to provide a three-dimensional biological feature. The system with signature recognition function analyzes and calculates the relative positions of the knuckles and reference points of the human palm, the relative thickness of each finger and the reference point, the width of each knuckle, and the position of the space between the fingers. It is used as the basis for three-dimensional biometric identification, thereby increasing the difficulty of falsifying biometric characteristics and improving the security of biometric identification, so as to achieve the desired effect and purpose of the invention.

To achieve the above object, the present invention provides a three-dimensional biometric identification system, which includes: an image sensing device, a microprocessor unit, and a display unit. The microprocessor units are respectively electrically connected to the image sensor. A measuring device and the display unit; and the image sensing device is used for sensing and capturing image data of a palm of a person to be identified, and then transmitting the data to the microprocessor unit; the microprocessor unit has a first calculation logic And a second calculation logic, the first calculation logic and the second calculation logic are available for execution by the microprocessor.

The first calculation logic of the microprocessor unit is used to analyze and calculate the relative positions of the knuckles and reference points in the image data of the palm of the identifying person, and then generate a first reference data.

The second calculation logic of the microprocessor unit is used to analyze and calculate the relative thickness of each finger and the reference point in the image data of the palm of the identifying person, and then generate a second reference data.

The microprocessor unit performs analysis and comparison according to the first reference data and the second reference data, and then generates identification data and transmits it to the display unit for display, which is used to identify the characteristics and identity of personnel. in accordance with.

The present invention further provides a three-dimensional biometric identification method. The steps include:

S1. An image sensing device, a microprocessor unit, and a display unit are provided. The microprocessor unit is electrically connected to the image sensing device and the display unit, respectively. The microprocessor unit has a first calculation logic and a second calculation logic, and the first calculation logic and the second calculation logic can be executed by the microprocessor.

S2. A palm of a person to be identified is brought closer to the image sensing device for a predetermined distance. The image sensing device is used to sense and capture image data of the palm of the person to be identified, and then transmit the data to the microprocessor unit.

S3. The first calculation logic of the microprocessor unit is used to analyze and calculate the relative positions of the knuckles and reference points in the image data of the palm of the identifying person, and then generate a first reference data.

S4. The second calculation logic of the microprocessor unit is used to analyze and calculate the relative thickness of each finger and the reference point in the image data of the palm of the identifying person, and then generate a second reference data.

S5. The microprocessor unit performs analysis and comparison according to the first reference data and the second reference data, and then generates identification data and transmits it to the display unit for display, which is used to identify the characteristics and identity of the personnel. in accordance with.

10, 10A, 10B‧‧‧Three-dimensional biometric identification system

100, 100A, 100B ‧‧‧ Palm

20‧‧‧Image sensing device

200‧‧‧Under test platform

30, 30A, 30B‧‧‧ microprocessor unit

31‧‧‧First calculus logic

33‧‧‧Second calculus logic

35A‧‧‧The third calculation logic

37B‧‧‧ Fourth calculus logic

40, 40A, 40B‧‧‧ display unit

50, 50A, 50B‧‧‧Database Unit

B1‧‧‧ benchmark

B2‧‧‧ benchmark

D1‧‧‧ first benchmark data

D2‧‧‧Second benchmark data

D3‧‧‧ Third benchmark data

D4‧‧‧ Fourth benchmark data

I1, I2, I3‧‧‧Identification data

S1, S2, S3, S4, S5 ‧‧‧ steps

X‧‧‧ steps

Y‧‧‧ steps

SN1‧‧‧ Identity verification correct signal

SN2‧‧‧ Identity authentication error signal

SN3‧‧‧ Termination Signal

a1, a2, a3, a4, a5‧‧‧imaginary line

d1, d2, d3‧‧‧thickness difference

w1, w2‧‧‧Width

FIG. 1 is a schematic diagram of a system architecture of a first preferred embodiment of the present invention.

Figure 2 is a schematic diagram of the application of the first preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of sampling in the first preferred embodiment of the present invention.

FIG. 4 is a first analysis diagram of sampling according to the first preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of the second analysis of sampling in the first preferred embodiment of the present invention.

Figure 6 is a schematic diagram of the first process steps of the present invention.

FIG. 7 is a schematic diagram of a system architecture according to a second preferred embodiment of the present invention.

FIG. 8 is a schematic diagram of sampling analysis of the second preferred embodiment of the present invention.

Figure 9 is a schematic diagram of the second process step of the present invention.

FIG. 10 is a schematic diagram of a system architecture according to a third preferred embodiment of the present invention.

FIG. 11 is a first analysis diagram of sampling in the third preferred embodiment of the present invention.

FIG. 12 is a second analysis diagram of sampling in the third preferred embodiment of the present invention.

FIG. 13 is a schematic diagram of the third process step of the present invention.

In the following, the structural characteristics and expected effects of the present invention will be described in detail through the listed examples and the accompanying drawings. First of all, in the embodiments and drawings described below, the same reference numbers indicate the same Or similar elements, components, objects, structures, systems, architectures, devices, processes, methods or steps are described first.

Please refer to FIGS. 1 to 5 first, the present invention provides a three-dimensional biometric identification system 10, which includes: an image sensing device 20, a microprocessor unit 30, a display unit 40, and a database unit 50; The microprocessor unit 30 is electrically connected to the image sensing device 20, the display unit 40 and the database unit 50 respectively.

The image sensing device 20 is used for sensing and capturing image data of a palm 100 of a person to be identified, and then transmitting the image data to the microprocessor unit 30. In this embodiment, the image sensing device 20 includes, but is not limited to, an RGB-D color-depth sensor, Kinect series, SoftKinetic DS325 or PMD's nimble UX, etc., and its distance for sensing biological characteristics has been improved. It is between a few centimeters and several tens of centimeters, and the captured image data is data with color images and depth.

The microprocessor unit 30 has a first calculation logic 31 and a second calculation logic. The arithmetic logic 33, the first arithmetic logic 31 and the second arithmetic logic 33 are available for execution by the microprocessor 30.

Wherein, the first calculation logic 31 is used to analyze the relative positions of the knuckles and the reference point B1 in the image data of the palm 100 of the identifying person captured by the calculation (and in this embodiment, as in the third and fourth examples) As shown in the figure, the reference point B1 is set at the top position of the middle finger, but it is not limited to this, and it can also be set at the position of any knuckle.), And then a first reference data D1 is generated, which means that each analysis operation The horizontal position of the root finger refers to the relative position (including distance, angle, gloss, or skin tone difference) of the reference point B1.

The second calculation logic 33 is used to analyze the relative thickness of each finger and the reference point B2 in the image data of the palm of the identifying person 100 obtained by the calculation (in this embodiment, as shown in FIGS. 2 and 5) As shown, when the palm 100 of the person to be identified is placed on a platform 200 to be tested, one point in the platform 200 to be tested is set as the reference point B2, but not limited to this.), And then a The second reference data D2 means analyzing and calculating the relative thickness difference between each knuckle of each finger and the reference point B2 (for example, defining the relative thickness difference between the first phalanx of the left thumb and the reference point B2 as d1, and Define the relative thickness difference between the first segment of the left index finger and the reference point B2 as d2, and define the relative thickness difference between the first segment of the left index finger and the reference point B2 as d3, etc.). The second calculation logic 33 first converts the color image data of the palm of the person to be identified 100 into grayscale image data, and then uses a speeded-up robust features (SURF) to provide a robust 3D image recognition and description algorithm) to generate image feature data that can represent thickness or depth.

The microprocessor unit 30 performs analysis and comparison according to the first reference data D1 and the second reference data D2, and then generates identification data I1 and transmits the identification data I1 to the display unit 40 for display to identify the characteristics of personnel. And identity basis.

The database unit 50 is used to access the color of the palm 100 of the person to be identified. Color image data and the identification data I1. In this embodiment, the database unit 50 is a device including, but not limited to, a memory, a hard disk, a solid-state hard disk, a memory card, a portable disk, or a portable hard disk.

When the person to be identified is plural, the three-dimensional biometric identification system 10 provided by the present invention can be used to individually judge each feature identification in the palm 100 of the person to be identified, and the identification data I1 are stored to The corresponding storage space in the database unit 50 is used for comparison data of verification, analysis, identification and other programs in the future.

In this embodiment, the technical features and significant effects compared to the conventional technology are: First, the image sensing device 20 of the three-dimensional biometric recognition system 10 is used to sense and capture the palm 100 of a person to be identified. The image data is transmitted to the microprocessor unit 30. Then, the knuckles and the reference point B1 in the image data of the palm 100 of the identifying person are analyzed and calculated by executing the first calculation logic 31. After the relative position of, the first reference data D1 is generated. Then, the second calculation logic 33 is executed to analyze and calculate the relative of each finger in the image data of the palm 100 of the identifying person and the reference point B2. After the thickness, the second reference data D2 is generated. Then, the microprocessor unit 30 performs analysis and comparison according to the first reference data D1 and the second reference data D2, and then generates the identification data I1 and transmits the identification data I1 to It is displayed in the display unit 40 and used as a basis for judging the identification of each feature in the palm 100 of the person to be identified. Preferably, the microprocessor unit 30 is the color image data of the palm 100 of the person to be identified and the identification data I1 is stored in the database unit 50, and then the initialization and archiving process is completed.

When the three-dimensional biometric identification system 10 is to be used to perform identity authentication of the person to be identified, first, the image sensing device 20 is used to perform sensing and capture the color image data of the palm 100 of the person to be identified. Then, it is transmitted to the microprocessor unit 30. Then, the microprocessor unit 30 will be based on the color image data of the palm 100 of the person to be identified, and it will complete the initial establishment of the archiving program and store it in the database unit 50. The identification data I1 A comparison program for verification, analysis, and identification; then, if the microprocessor unit 30 analyzes and compares the color image data of the palm 100 of the person to be identified with the identification data I1 of the database unit 50 When they match, an identity authentication correct signal SN1 is transmitted to the display unit 40 for display; if the microprocessor unit 30 is analyzed and compared with the color image data of the palm 100 of the person to be identified and the database unit 50 When the identification data I1 and the data do not match, an identity authentication error signal SN2 is transmitted to the display unit 40 for display.

Preferably, when the microprocessor unit 30 of the three-dimensional biometric identification system 10 generates the identity authentication error signal SN2 reaching a predetermined critical number (for example, more than three times), at this time, the three-dimensional biometric identification system 10 The microprocessor unit 30 will generate a termination signal SN3, which is used to terminate the operation of any component of the three-dimensional biometric identification system 10; thereby improving the security of the biometric identification, and thereby achieving the expected effect and purpose of the present invention. .

The above is an explanation of the technical features and effects of the first preferred embodiment of the present invention. Hereinafter, a three-dimensional biometric identification method applicable to the first preferred embodiment of the present invention will be described.

Please refer to FIG. 6 again, which is a three-dimensional biometric identification method provided by the present invention. The steps include:

In step S1, an image sensing device 20, a microprocessor unit 30, and a display unit 40 are provided. The microprocessor unit 30 is electrically connected to the image sensing device 20 and the display unit 40, respectively. The processor unit 30 has a first calculation logic 31 and a second calculation logic 33, and the first calculation logic 31 and the second calculation logic 33 are available for execution by the microprocessor 30.

In step S2, a palm of a person to be identified is brought closer to the image sensing device 20 by a predetermined distance, and the image sensing device 20 is used to sense and capture image data of the palm of the person to be identified, and then transmit the data to the microprocessor. Unit 30.

In step S3, the first calculation logic 31 of the microprocessor unit 30 is used to analyze and calculate the relative positions of the knuckles and reference points in the image data of the palm of the identifying person, and then generate a first reference data. D1.

In step S4, the second calculation logic 33 of the microprocessor unit 30 is used to analyze and calculate the relative thickness of each finger and the reference point in the image data of the palm of the identifying person, and then generate a second reference data D2. .

In step S5, the microprocessor unit 30 performs analysis and comparison according to the first reference data D1 and the second reference data D2, and then generates identification data I1 and transmits it to the display unit 40 for display, for The basis for identifying the characteristics and identity of personnel.

In step S5, a database unit 50 is further included and is electrically connected to the microprocessor unit 30. The database unit 50 is used to access the color image data of the palm 100 of the identifying person and the Identification data I1.

Therefore, the three-dimensional biometric identification method and its effects applied to the first preferred embodiment of the present invention are achieved. Thereafter, the technical features and effects of the second preferred embodiment of the present invention will be explained.

Please refer to FIGS. 7 and 8 again, which is a three-dimensional biometric identification system 10A provided by the present invention, which is mainly similar to the first embodiment disclosed above, and the difference is that the microprocessor unit 30A has A third calculation logic 35A can be executed by the microprocessor 30A; and the third calculation logic 35A is used to analyze the width of each knuckle in the image data of the palm of the identification person 100A (for example: The width of the first index finger is w1, then the width of the second index finger is w2, and so on, and so on until the width of each knuckle of each finger is analyzed and calculated), and then a third reference data D3 is generated. And transmitted to the microprocessor unit 30A; and the microprocessor unit 30A performs analysis and comparison according to the first reference data D1, the second reference data D2 and the third reference data D3, and then generates identification data I2 is transmitted to the display unit 40A for display, which is used to identify the characteristics and identity of the person.

Similarly, if the microprocessor unit 30A analyzes and compares the color image data of the palm 100A of the person to be identified with the identification data I2 of the database unit 50A, an identity verification correct signal will be transmitted SN1 to the display unit 40A are displayed; if the microprocessor unit 30A analyzes and compares the color image data of the palm 100A of the person to be identified with the identification data I2 of the database unit 50A, the data does not match, An identity authentication error signal SN2 is transmitted to the display unit 40A for display.

Similarly, when the person to be identified is plural, the three-dimensional biometric identification system 10A provided by the present invention can be used to individually judge each feature in the palm 100A of the person to be identified, and each of the identification data I2 is identified. It is stored in the corresponding storage space in the database unit 50A, so that the comparison data of the verification, analysis, identification and other programs can be performed in the future.

The above is an explanation of the technical features and effects of the second preferred embodiment of the present invention. Hereinafter, a three-dimensional biometric identification method applicable to the second preferred embodiment of the present invention will be described.

Please refer to FIG. 9 again, which is a three-dimensional biometric identification method provided by the present invention. The main steps are the same as the steps S1 to S5 in the method of the first embodiment disclosed above, and the difference is The reason is that it further includes at least one step X, that is, the microprocessor unit 30A has a third calculation logic 35A and can be executed by the microprocessor 30A; and the third calculation logic 35A is used for analyzing and extracting data. After identifying the width of each knuckle in the image data of the palm of the operator 100A, a third reference data D3 is generated and transmitted to the microprocessor unit 30A; and the microprocessor unit 30A is based on the first reference data D1 2. The second reference data D2 and the third reference data D3 are analyzed and compared, and then an identification data I2 is generated and transmitted to the display unit 40A for display, which is used to identify the characteristics and identity of the person.

Preferably, the step X can be performed after any of the steps S2 to S4; and when the step X is plural, the step X can be between the two steps of the S2 and the S3, the S3 and the Perform separately between the two steps of S4 or between the two steps of S4 and S5. In this embodiment, the step S4 is performed first, then the step X is performed, and finally the step S5 is performed.

The above are the technical features and effects of the system and method according to the second preferred embodiment of the present invention. Thereafter, the technical features and effects of the third preferred embodiment of the present invention will be explained.

Please refer to FIGS. 10 to 12 again, which is a three-dimensional biometric identification system 10B provided by the present invention, which is mainly similar to the first and second embodiments disclosed above, and the difference is that the microprocessor unit 30B has a fourth calculation logic 37B and can be executed by the microprocessor 30B; and the fourth calculation logic 37B is used to analyze the position of the close distance between the fingers in the image data of the palm of the identification person 100B acquired by the calculation (For example: First, define the imaginary line divided between the fingers after they are brought together, and define the imaginary line between the thumb and the index finger after they are brought together as a1. Then, analyze and calculate the The distance between the index finger and the middle finger is defined as a2. Then, the distance between the index finger and the middle finger is analyzed and calculated; the distance between the middle finger and the ring finger is also defined. The imaginary line is a3. Then, the distance between the middle finger and the ring finger is analyzed and calculated. The imaginary line between the ring finger and the tail finger is defined as a4. Then, the ring finger is analyzed and calculated. The distance between the two after the tail fingers are brought together; finally, the imaginary line that cuts the edges of the tail fingers is defined as a5.), And then a fourth reference data D4 is generated and transmitted to the microprocessor unit 30B; An analysis comparison is performed according to the first reference data D1, the second reference data D2, the third reference data D3 and the fourth reference data D4, and then an identification data I3 is generated and transmitted to the display unit 40B. Display, used to identify the characteristics and identity of personnel.

Similarly, if the microprocessor unit 30B is analyzed and compared to the person to be identified When the color image data of the palm of the staff member 100B matches the data of the identification data I3 of the database unit 50B, an identity authentication correct signal SN1 will be transmitted to the display unit 40B for display; if the microprocessor unit 30B After analyzing and comparing the color image data of the palm 100B of the person to be identified with the identification data I3 of the database unit 50B, an identity authentication error signal SN2 is transmitted to the display unit 40B for display.

Similarly, when the person to be identified is plural, the three-dimensional biometric identification system 10B provided by the present invention can be used to individually judge each feature in the palm 100B of the person to be identified, and each of the identification data I3 is identified. It is stored in the corresponding storage space in the database unit 50B, so as to facilitate comparison data of verification, analysis, identification and other programs in the future.

The above is an explanation of the technical features and effects of the third preferred embodiment of the present invention. Thereafter, a three-dimensional biometric identification method applicable to the third preferred embodiment of the present invention will be described.

Please refer to FIG. 13 again, which is a three-dimensional biometric identification method provided by the present invention. The main steps are the same as the steps S1 to S5 in the methods of the first and second embodiments, but they are different. The point is that it further includes at least one step Y, that is, the microprocessor unit 30B has a fourth calculation logic 37B and can be executed by the microprocessor 30B; and the fourth calculation logic 37B is used for analysis and calculation The captured image data of the palm of the hand of the identification person 100B is used to generate a fourth reference data D4 and transmitted to the microprocessor unit 30B. The microprocessor unit 30B is based on the first A reference data D1, the second reference data D2, the third reference data D3 and the fourth reference data D4 are analyzed and compared, and then an identification data I3 is generated and transmitted to the display unit 40B for display, which is used to display The basis for identifying the characteristics and identity of personnel.

Preferably, the step Y can be performed after any of the steps S2 to S4, and when the step Y is plural, the step Y can be between the two steps of the S2 and the S3, the S3 and the The Perform separately between the two steps of S4 or between the two steps of S4 and S5. In this embodiment, step S4 is performed first, then step X is performed, then step Y is performed, and then step S5 is performed.

Finally, it must be stated again that those with ordinary knowledge in the technical field to which the present invention pertains should be able to clearly understand that these detailed descriptions and the examples listed in the present invention are only suitable for explaining the structure, method, process, etc. of the present invention and The effect it intends to achieve is not intended to limit the scope of the patent application scope of the present invention. Other equivalent elements, components, objects, structures, devices, methods or processes shall also be substituted or changed for the scope of patent application of this case. Covered.

10‧‧‧Three-dimensional biometric identification system

100‧‧‧ Palm

20‧‧‧Image sensing device

30‧‧‧ Microprocessor Unit

31‧‧‧First calculus logic

33‧‧‧Second calculus logic

40‧‧‧display unit

50‧‧‧Database Unit

Claims (10)

A three-dimensional biometric identification system includes: an image sensing device, a microprocessor unit, and a display unit. The microprocessor unit is electrically connected to the image sensing device and the display unit respectively; and The image sensing device is used for sensing and capturing image data of a palm of a person to be identified, and then transmitting the image data to the microprocessor unit. The microprocessor unit has a first calculation logic and a second calculation logic. The first calculation logic and the second calculation logic are available for execution by the microprocessor; wherein the first calculation logic of the microprocessor unit is used to analyze the fingers in the image data of the palm of the identifying person acquired by the calculation After the relative position between the node and the reference point, a first reference data is generated; wherein, the second calculation logic of the microprocessor unit is used to analyze the fingers and reference in the image data of the palm of the identifying person captured by the operation After the relative thickness of the points, a second reference data is generated; wherein, the microprocessor unit performs an analysis ratio based on the first reference data and the second reference data. , Thereby generating and transmitting an identification to be displayed in the display unit, according to feature recognition and identity of personnel. According to the three-dimensional biometric identification system described in item 1 of the scope of patent application, wherein the microprocessor unit has a third calculation logic and can be executed by the microprocessor; and the third calculation logic is used to analyze the calculation office. After acquiring the width of each knuckle in the image data of the palm of the identifying person, a third reference data is generated and transmitted to the microprocessor unit; and the microprocessor unit is based on the first reference data, the first The second reference data and the third reference data are analyzed and compared, and then an identification data is generated and transmitted to the display unit for display, which is used to identify the characteristics and identity of the person. According to the three-dimensional biometric identification system according to item 2 of the scope of the patent application, wherein the microprocessor unit has a fourth calculation logic and can be executed by the microprocessor; and the fourth calculation logic is used to analyze the calculation office. The captured image data of the palms of the identification personnel is used to generate a fourth reference data and transmit it to the microprocessor unit, and the microprocessor unit is based on the first reference data, The second reference data, the third reference data and the fourth reference data are analyzed and compared, and then an identification data is generated and transmitted to the display unit for display, which is used to identify the characteristics and identity of the person. According to the three-dimensional biometric identification system described in item 1 of the scope of patent application, wherein the microprocessor unit has a fourth calculation logic and can be executed by the microprocessor; and the fourth calculation logic is used to analyze an arithmetic operation office. The captured image data of the palms of the identification personnel is used to generate a fourth reference data and transmit it to the microprocessor unit, and the microprocessor unit is based on the first reference data, The second reference data, the third reference data and the fourth reference data are analyzed and compared, and then an identification data is generated and transmitted to the display unit for display, which is used to identify the characteristics and identity of the person. According to the three-dimensional biometric identification system described in any one of the claims 1 to 4, it further includes a database unit and is electrically connected to the microprocessor unit, and the database unit is used to access Image data of the palm of the identifying person and the identifying data. A three-dimensional biometric identification method includes the steps of S1, providing an image sensing device, a microprocessor unit, and a display unit. The microprocessor units are electrically connected to the image sensing device and the image sensor. A display unit; the microprocessor unit has a first calculation logic and a second calculation logic, and the first calculation logic and the second calculation logic are available for the microprocessor to execute; S2. A palm of a person to be identified is brought closer to the image sensing device by a predetermined distance, and the image sensing device is used to sense and capture image data of the palm of the person to be identified, and then transmit the data to the microprocessor unit; S3 The first calculation logic of the microprocessor unit is used to analyze the relative positions of the knuckles and the reference point in the image data of the palm of the identifying person, and then generate a first reference data; S4, the The second calculation logic of the microprocessor unit is used to analyze and calculate the relative thickness of each finger and the reference point in the image data of the palm of the identifying person, and then generate a second reference data; and S5, the microprocessing The controller unit performs analysis and comparison based on the first reference data and the second reference data, and then generates identification data and transmits it to the display unit for display, which is used to identify the basis of the characteristics and identity of the person. According to the three-dimensional biometric identification method described in item 6 of the scope of patent application, it further includes at least one step X, that is, the microprocessor unit has a third calculation logic and can be executed by the microprocessor; and the third The calculation logic is used to analyze the width of each knuckle in the image data of the palm of the identifying person captured by the calculation, and then generate a third reference data and transmit it to the microprocessor unit; and the microprocessor unit is based on The first reference data, the second reference data and the third reference data are analyzed and compared, and then an identification data is generated and transmitted to the display unit for display, which is used to identify the characteristics and identity of the person; The step X may be performed after any of the steps from S2 to S4, and when the step X is plural, the step X may be between the S2 and the S3 two steps, the S3 and the S4 two steps Occasionally, the steps S4 and S5 are performed separately. According to the three-dimensional biometric identification method described in item 7 of the scope of the patent application, it further includes at least one step Y, that is, the microprocessor unit has a fourth calculation logic and can be executed by the microprocessor; and the fourth The calculation logic is used to analyze the image data of the palm of the identifying person captured by the calculation After the distance between the fingers in the middle, a fourth reference data is generated and transmitted to the microprocessor unit; and the microprocessor unit is based on the first reference data, the second reference data, and the third reference The data is compared with the fourth reference data, and then an identification data is generated and transmitted to the display unit for display, which is used to identify the characteristics and identity of the person; wherein step Y can be performed in S2 to Performed after any step of the S4, and when the step Y is plural, the step Y may be between the S2 and the S3 two steps, the S3 and the S4 two steps, or the S4 and the S5 two Perform each step separately. According to the three-dimensional biometric identification method described in item 6 of the scope of the patent application, it further includes at least one step Y, that is, the microprocessor unit has a fourth calculation logic and can be executed by the microprocessor; and the fourth The calculation logic is used to analyze the image data of the palm of the identification person captured by the calculation, and then the fourth reference data is generated and transmitted to the microprocessor unit; and the microprocessor unit is Analyze and compare according to the first reference data, the second reference data, the third reference data, and the fourth reference data, and then generate identification data and transmit it to the display unit for display to identify the personnel. Features and identity basis; wherein step Y can be performed after any of the steps S2 to S4, and when step Y is plural, step Y can be between the two steps of S2 and S3 2. The two steps of S3 and S4 or the two steps of S4 and S5 are performed separately. According to the three-dimensional biometric identification method described in any one of claims 6-9, it further includes a database unit and is electrically connected to the microprocessor unit, and the database unit is used for access Image data of the palm of the identifying person and the identifying data.