TWI576717B - Dimensional biometric identification system and method - Google Patents

Description

Three-dimensional biometric identification system and method

The present invention relates to techniques for biometric identification, and more particularly to a system and method having a three-dimensional biometric identification function.

In recent years, biometrics technology has gradually gained attention due to the increasing importance of human life safety protection and related access control security in various environments and occasions. However, if human beings are used as biometrics, they can be roughly classified into static biometrics and dynamic biometrics. Among them, static biometrics are known as fingerprints and face recognition. Or iris recognition, palm print, ear recognition or vein pattern, etc., wherein the dynamic biometric identification technique is such as personal gait recognition (gait), personal gesture recognition (gesture) ), personal voice recognition or personal signature identification, etc.; all of the above are the sampling sources of data in biometric identification technology and carry out its analysis and calculation.

Based on the prior art of the biometric identification mentioned above, the present invention will disclose how to use the feature data of the human palm to analyze and calculate the biometric identification basis, so as to improve the safety of the biometric identification.

In view of the foregoing, the object of the present invention is to provide a three-dimensional bio-specific The system for identifying the function is to analyze and calculate the relative position of each phalanx of the human palm and the reference point, the relative thickness of each finger and the reference point, the width of each knuckle, and the position of the distance between the fingers. It is used as a basis for three-dimensional biometric identification, thereby increasing the difficulty of forging biometric features and improving the security of biometrics, thereby achieving the desired effect and purpose of the present invention.

In order to achieve the above object, the present invention provides a three-dimensional biometric identification system, comprising: an image sensing device, a microprocessor unit, and a display unit, wherein the microprocessor unit is electrically connected to the image sense Measuring device and the display unit; and the image sensing device is configured to sense image data of a palm of an intended person to be transmitted 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 to the microprocessor.

The first calculation logic of the microprocessor unit is configured to analyze the relative position of each knuckle and the reference point in the image data of the identification person's palm captured by the operation, and then generate a first reference data.

The second calculation logic of the microprocessor unit is configured to analyze the relative thickness of each finger and the reference point in the image data of the identification person's palm captured by the operation, and then generate a second reference data.

The microprocessor unit performs an analysis comparison according to the first reference data and the second reference data, thereby generating an identification data and transmitting it to the display unit for display, for identifying characteristics and identity of the person. in accordance with.

The invention further provides a three-dimensional biometric identification method, the steps of which include:

S1, providing an image sensing device, a microprocessor unit, and a display unit, the microprocessor unit being electrically connected to the image sensing device and the display unit; The microprocessor unit has a first arithmetic logic and a second arithmetic logic, and the first arithmetic logic and the second arithmetic logic are executable by the microprocessor.

S2: A palm of an intended person is placed close to the image sensing device for a predetermined distance, and the image sensing device is configured to sense image data of the palm of the identification person and transmit the image data to the microprocessor unit.

S3. The first calculation logic of the microprocessor unit is configured to analyze the relative position of each knuckle and the reference point in the image data of the identification person's palm captured by the operation, and then generate a first reference data.

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

S5. The microprocessor unit performs an analysis comparison according to the first reference data and the second reference data, and then generates an identification data and transmits the same to the display unit for display to identify the characteristics and identity of the person. in accordance with.

10, 10A, 10B‧‧‧3D biometric identification system

100, 100A, 100B‧‧‧ palm

20‧‧‧Image sensing device

200‧‧‧ Platform to be tested

30, 30A, 30B‧‧‧Microprocessor unit

31‧‧‧First calculus logic

33‧‧‧Second calculation logic

35A‧‧‧ Third calculus 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 authentication correct signal

SN2‧‧‧ identity authentication error signal

SN3‧‧‧End signal

A1, a2, a3, a4, a5‧‧‧ imaginary line

D1, d2, d3‧‧ ‧ thickness difference

W1, w2‧‧‧ width

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

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

Figure 3 is a schematic view of sampling of the first preferred embodiment of the present invention.

Figure 4 is a schematic view showing the first analysis of the sampling according to the first preferred embodiment of the present invention.

Figure 5 is a schematic view showing the second analysis of the sampling according to the first preferred embodiment of the present invention.

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

Figure 7 is a schematic diagram of the system architecture of the second preferred embodiment of the present invention.

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

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

Figure 10 is a schematic diagram of the system architecture of the third preferred embodiment of the present invention.

Figure 11 is a schematic view showing the first analysis of the sampling according to the third preferred embodiment of the present invention.

Figure 12 is a schematic view showing the second analysis of sampling according to the third preferred embodiment of the present invention.

Figure 13 is a schematic diagram showing the third process steps of the present invention.

In the following, the structural characteristics of the present invention and their intended effects will be described in detail by way of the examples and the accompanying drawings. First, in the embodiments and drawings, the same reference numerals are used to indicate the same. Or elements, components, objects, structures, systems, structures, devices, processes, methods, or steps that are similar.

Please refer to the first to fifth figures, the present invention provides a three-dimensional biometric identification system 10, comprising: 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.

The image sensing device 20 is configured to sense image data of a palm 100 of an intended person to be transmitted 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, a Kinect series, a Soft Kinetic DS325, or a PMD's nimble UX, etc., and the distance between the sensing biometrics has been improved. Between a few centimeters and tens of centimeters, the image data captured is sensed as data with color images and depth.

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

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 identification person's palm 100 captured by the calculation (in the present embodiment, as in the third and fourth embodiments) As shown in the figure, the reference point B1 is set at the top position of the middle finger, but not limited thereto, and may be set at the position of any knuckle.), thereby generating a first reference data D1, which means that the analysis operation is performed. The relative position of the horizontal finger knuckle of the root finger to the reference point B1 (including distance, angle, gloss or skin color difference, etc.).

The second calculus logic 33 is configured to analyze the relative thickness of each finger in the image data of the identifiable person's palm 100 and the reference point B2 (in the present embodiment, as shown in FIGS. 2 and 5). As shown in the figure, when the palm 100 of the person to be identified is placed on a platform to be tested 200, a point in the platform to be tested 200 is set as the reference point B2, but not limited thereto. The second reference data D2, that is, the relative thickness difference between each knuckle of each finger and the reference point B2 is calculated and analyzed (for example, the relative thickness difference between the first node finger and the reference point B2 of the left thumb is defined as d1, and Defining the relative thickness difference between the first index finger and the reference point B2 of the left index finger is d2, and then defining the relative thickness difference between the first finger finger and the reference point B2 of the left middle finger is d3, etc.). The second calculus logic 33 first converts the color image data of the palm of the person to be identified into grayscale image data, and transmits the sounded-up robust features (SURF) to provide a robust image. The three-dimensional image recognition and description logic is used to generate image feature data representative of thickness or depth.

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

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 flash drive, or a portable hard disk.

When the person to be identified is plural, the three-dimensional biometric system 10 provided by the present invention can separately determine each feature identification in the palm 100 of the person to be identified, and store each identification data I1 to The respective storage spaces in the database unit 50 are arranged to facilitate comparison data of programs such as verification, analysis, and identification in the future.

In the present embodiment, the technical features of the prior art are compared with the significant features of the prior art. First, the image sensing device 20 of the three-dimensional biometric identification system 10 is used to sense the palm of the person to be identified. The image data is transmitted to the microprocessor unit 30. Then, by performing the first calculation logic 31, the knuckles in the image data of the identification person's palm 100 captured by the operation are analyzed and the reference point B1 is calculated. After the relative position, the first reference data D1 is generated; then, by performing the second calculation logic 33, the relative value of each finger in the image data of the identification person's palm 100 captured by the calculation is compared with the reference point B2. After the thickness, the second reference data D2 is further generated; then, the microprocessor unit 30 performs an analysis comparison according to the first reference data D1 and the second reference data D2, thereby generating the identification data I1 and transmitting to the identification data I1. The display unit 40 is displayed for use as a basis for determining the identification of each feature in the palm 100 of the person to be identified. Preferably, the microprocessor unit 30 stores the color image data of the palm 100 of the person to be identified and the identification data I1 in the database unit 50, thereby completing the initialization of the archive program.

When the identity of the person to be identified is to be authenticated by the three-dimensional biometric system 10, firstly, the image sensing device 20 is used to sense the color image data of the palm 100 of the person to be identified. Further, the microprocessor unit 30 transmits the color image data of the palm 100 of the person to be identified to the original archive program and is stored in the database unit 50. The identification data I1 in Alignment procedure for line check, analysis and identification; then, if the microprocessor unit 30 analyzes data of both the color image data of the palm 100 of the person to be identified and the identification data I1 of the database unit 50 In the case of coincidence, an identity authentication correct signal SN1 is transmitted to the display unit 40 for display; if the microprocessor unit 30 is analyzed to compare the color image data of the palm 100 of the person to be identified with the database unit 50 When the identification data I1 does not match the data, 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 system 10 generates the identity authentication error signal SN2 to reach a predetermined critical number (for example, three times or more), the three-dimensional biometric system 10 is at this time. The microprocessor unit 30 will generate a termination signal SN3 for terminating the operation of any component of the three-dimensional biometric system 10, thereby improving the security of the biometric identification, thereby achieving the intended function and purpose of the present invention. .

The above is a description of the technical features and effects of the first preferred embodiment of the present invention. Thereafter, a three-dimensional biometric identification method applicable to the first preferred embodiment of the present invention will be further explained.

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

In the 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; 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 to the microprocessor 30 for execution.

In step S2, a palm of an intended person is placed close to the image sensing device 20 by a predetermined distance, and the image sensing device 20 is configured to sense image data of the palm of the identification person and transmit the image data to the microprocessor. Unit 30.

In step S3, the first calculation logic 31 of the microprocessor unit 30 is configured to analyze the relative position of each knuckle and the reference point in the image data of the identification person's palm captured by the operation, and then generate a first reference data. D1.

In step S4, the second calculation logic 33 of the microprocessor unit 30 is configured to analyze the relative thickness of each finger and the reference point in the image data of the identification person's palm captured by the operation, and then generate a second reference data D2. .

In step S5, the microprocessor unit 30 performs an analysis comparison according to the first reference data D1 and the second reference data D2, thereby generating an identification data I1 and transmitting it to the display unit 40 for display. Identify the characteristics of the person and the basis of their identity.

In the step S5, the database unit 50 is further connected to the microprocessor unit 30, and the database unit 50 is configured to access the color image data of the palm 100 of the identifier and the Identify the data I1.

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

Please refer to FIGS. 7 and 8 , which are a three-dimensional biometric system 10A provided by the present invention, which is mainly related to the first embodiment, and the difference is that the microprocessor unit 30A has A third calculus logic 35A is available for execution by the microprocessor 30A; and a third calculus logic 35A is used to analyze the width of each knuckle in the image data of the identifiable person's palm 100A captured by the operation (eg, Analyze and calculate the width of the first section of the index finger is w1, and then analyze and calculate the width of the second section of the index finger to be w2, etc., and so on until the width of each knuckle of each finger is calculated and calculated, thereby generating a third reference data D3. And transmitting 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, thereby generating an identification data. I2 is transmitted to the display unit 40A for display to identify the characteristics of the person and the identity.

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

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

The above is a description of the technical features and effects of the second preferred embodiment of the present invention. Thereafter, a three-dimensional biometric identification method applicable to the second preferred embodiment of the present invention will be further explained.

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 S1 step to the S5 step in the method of the first embodiment, and the difference is The method further includes at least one step X, that is, the microprocessor unit 30A has a third calculation logic 35A and is executable by the microprocessor 30A; and the third calculation logic 35A is used for analyzing the operation. After identifying the width of each knuckle in the image data of the person's palm 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. The second reference data D2 is compared with the third reference data D3 to generate an identification data I2 and transmitted to the display unit 40A for display to identify the characteristics of the person and the basis of the identity.

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

The above is a description of the technical features and effects of the second preferred embodiment system and method of the present invention. Hereinafter, the technical features and effects of the third preferred embodiment of the present invention will be further explained.

Please refer to FIG. 10 to FIG. 12 again, which is a three-dimensional biometric system 10B provided by the present invention, which is mainly similar to the first and second embodiments, and the difference is that the microprocessor unit 30B has a fourth arithmetic logic 37B and can be executed by the microprocessor 30B; and the fourth arithmetic logic 37B is used to analyze the pitch position of the fingers in the image data of the identification person palm 100B captured by the operation. (For example: firstly, define the imaginary line divided after the fingers are closed together, define the imaginary line between the thumb and the index finger and then succumb to a1, and then analyze and calculate the thumb and the index finger together. The spacing value; the imaginary line between the index finger and the middle finger is defined as a2, and then the distance between the index finger and the middle finger is calculated, and the distance between the middle finger and the ring finger is defined. The imaginary line is a3. Then, the distance between the middle finger and the ring finger is calculated and calculated. The imaginary line between the two is defined as a4, and then the ring finger is analyzed and calculated. The spacing value of the tail fingers after the closing of the tail; the imaginary line defining the edge of the trailing tail finger is a5.), thereby generating a fourth reference data D4 and transmitting to the microprocessor unit 30B; and the microprocessor unit 30B Performing an analysis comparison based on the first reference data D1, the second reference data D2, the third reference data D3, and the fourth reference data D4, thereby generating an identification data I3 and transmitting it to the display unit 40B. Display, the basis for identifying the characteristics and identity of the person.

Similarly, if the microprocessor unit 30B is analyzed and compared to the person to be identified When the color image data of the palm 100B of the player matches the data of the identification data I3 of the database unit 50B, an identity authentication correct signal SN1 is transmitted to the display unit 40B for display; if the microprocessor unit 30B When the analysis does not match the data of the color image data of the palm 100B of the person to be identified and 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, each feature identification in the palm 100B of each of the persons to be identified can be individually determined through the three-dimensional biometric system 10B provided by the present invention, and each identification data I3 is determined. The storage is stored in the corresponding storage space in the database unit 50B, so that the comparison data of the program such as verification, analysis, and identification can be performed in the future.

The above is a description 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 further explained.

Please refer to FIG. 13 again, which is a three-dimensional biometric identification method provided by the present invention, and the main steps are the same as the steps S1 to S5 in the methods of the first and second embodiments. The reason is that it further includes at least one step Y, that is, the microprocessor unit 30B has a fourth calculation logic 37B and is executable by the microprocessor 30B; and the fourth calculation logic 37B is used for analysis operations. After capturing the position of the gap between the fingers in the image data of the identification person's palm 100B, a fourth reference data D4 is generated and transmitted to the microprocessor unit 30B; and the microprocessor unit 30B is based on the A reference data D1, the second reference data D2, the third reference data D3 and the fourth reference data D4 are compared and analyzed, and then an identification data I3 is generated and transmitted to the display unit 40B for display. Identify the characteristics of the person and the basis of their identity.

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

In the following, it should be noted that those skilled in the art to which the present invention pertains will be able to clearly understand that the detailed description and the embodiments of the present invention are only intended to illustrate the structure, method, process, etc. of the present invention. The singularity of the invention, and the substitution or variation of other equivalent elements, components, articles, structures, devices, methods or processes, are also intended to be within the scope of the patent application of the present invention. Covered.

10‧‧‧3D Biometric System

100‧‧‧ palm

20‧‧‧Image sensing device

30‧‧‧Microprocessor unit

31‧‧‧First calculus logic

33‧‧‧Second calculation logic

40‧‧‧Display unit

50‧‧‧Database unit

Claims (10)

A three-dimensional biometric identification system, comprising: an image sensing device, a microprocessor unit, and a display unit, wherein the microprocessor unit is electrically connected to the image sensing device and the display unit; The image sensing device is configured to sense image data of a palm of an intended person to be transmitted to the microprocessor unit; the microprocessor unit has a first calculation logic and a second calculation logic. The first calculus logic and the second calculus logic are executable by the microprocessor; wherein the first calculus logic of the microprocessor unit is used to analyze each finger in the image data of the identifiable person's palm captured by the operation After the relative position of the reference point and the reference point, a first reference data is generated; wherein the second calculation logic of the microprocessor unit is used to analyze each finger and the reference in the image data of the identification person's palm captured by the operation unit. After the relative thickness of the point, a second reference data is generated, wherein the microprocessor unit performs analysis ratio according to 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. The three-dimensional biometric identification system according to claim 1, wherein the microprocessor unit has a third calculation logic and is executable by the microprocessor; and the third calculation logic is used to analyze the operation center. Extracting the width of each knuckle in the image data of the palm of the person, and then generating a third reference data and transmitting the data to the microprocessor unit; and the microprocessor unit is based on the first reference data, the first The second reference data is compared with the third reference data for analysis, and then an identification data is generated and transmitted to the display unit for display to identify the characteristics of the person and the basis of the identity. The three-dimensional biometric identification system according to claim 2, wherein the microprocessor unit has a fourth calculation logic and is executable by the microprocessor; and the fourth calculation logic is used to analyze the operation center. After capturing the position of the gap between the fingers in the image data of the palm of the person, 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, the third reference data and the fourth reference data are compared and analyzed, and then an identification data is generated and transmitted to the display unit for display to identify the characteristics of the person and the basis of the identity. The three-dimensional biometric identification system according to claim 1, wherein the microprocessor unit has a fourth calculation logic and is executable by the microprocessor; and the fourth calculation logic is used to analyze the operation center. After capturing the position of the gap between the fingers in the image data of the palm of the person, 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, the third reference data and the fourth reference data are compared and analyzed, and then an identification data is generated and transmitted to the display unit for display to identify the characteristics of the person and the basis of the identity. The three-dimensional biometric identification system according to any one of claims 1 to 4, further comprising a database unit electrically connected to the microprocessor unit, wherein the database unit is used for accessing The image data of the palm of the identification person and the identification data. A three-dimensional biometric identification method, the method comprising: S1, providing an image sensing device, a microprocessor unit, and a display unit, wherein the microprocessor unit is electrically connected to the image sensing device and the 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 executable by the microprocessor; S2, a palm of an appreciating person is placed close to the image sensing device for a predetermined distance, and the image sensing device is configured to sense image data of the palm of the identification person and transmit the image data to the microprocessor unit; S3 The first calculation logic of the microprocessor unit is configured to analyze the relative position of each knuckle and the reference point in the image data of the identification person's palm captured by the operation, and then generate a first reference data; S4, the The second calculation logic of the microprocessor unit is configured to analyze the relative thickness of each finger and the reference point in the image data of the identification person's palm, and then generate a second reference data; and S5, the micro processing The unit is compared with the second reference data according to the first reference data, and then generates an identification data and transmits it to the display unit for display to identify the characteristics of the person and the basis of the identity. The three-dimensional biometric identification method according to claim 6, further comprising at least one step X, that is, the microprocessor unit has a third calculation logic and is executable by the microprocessor; and the third The calculation logic is used to analyze the width of each knuckle in the image data of the identification person's palm captured by the operation, 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 compared and analyzed, and then an identification data is generated and transmitted to the display unit for display to identify the characteristics of the person and the basis of the identity; Step X may be performed after any step S2 to S4, and when the step X is plural, the step X may be between the two steps S2 and S3, and the second step of the S3 and the S4 The two or the S4 and the S5 two steps are performed separately. The three-dimensional biometric identification method according to claim 7, further comprising at least one step Y, that is, the microprocessor unit has a fourth calculation logic and is executable by the microprocessor; and the fourth The calculus logic is used to analyze the image data of the palm of the identifiable person captured by the operation. After the pitch positions of the fingers are merged together, 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 for analysis, and then an identification data is generated and transmitted to the display unit for display to identify the characteristics of the person and the basis of the identity; wherein the step Y is performed at the S2 The step S4 is performed after any step, 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. The steps are executed separately. The three-dimensional biometric identification method according to claim 6, further comprising at least one step Y, that is, the microprocessor unit has a fourth calculation logic and is executable by the microprocessor; and the fourth The calculation logic is used to analyze the position of the gap between the fingers in the image data of the identification person's palm captured by the operation, and then generate a fourth reference data and transmit it to the microprocessor unit; and the microprocessor unit is Performing an analysis comparison according to the first reference data, the second reference data, the third reference data, and the fourth reference data, thereby generating an identification data and transmitting the same to the display unit for display, for identifying a person The basis of the feature and the identity; wherein 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 S2 and the S2 step The S3 and the S4 two steps or between the S4 and the S5 two steps are performed separately. The three-dimensional biometric identification method according to any one of claims 6 to 9, further comprising a database unit electrically connected to the microprocessor unit, wherein the database unit is used for accessing The image data of the palm of the identification person and the identification data.