JPH08180187A - Personal identification device - Google Patents

Abstract

PURPOSE: To surely perform a personal identification for even the person having faint fingerprint in the personal identification device by a fingerprint collation. CONSTITUTION: At the time of a registration, a registration switch 8 is turned on, the two fingers placed at fingerprint reader 5 are read, the feature points of the fingerprint are calculated and the finger having more feature points is registered. When the feature points are less than a prescribed value, the distances between lateral muscle lines to be formed on the skin on the side within the first joint part of each of the two fingers are registered. At the time of a collation, the feature points of the fingerprint is collated with the registered data. In the case of the mismatching, the distances between the lateral muscle lines are collated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for collating personal information such as a read fingerprint with registered personal information.

[0002]

2. Description of the Related Art A door that can be opened and closed by an electric lock is installed at a passageway or entrance to a specific area in a specific area in a building in order to prohibit access by persons other than those concerned. In some cases, a personal identification device for determining whether or not a person is permitted to pass is installed. As this personal identification device,
For example, as shown in Japanese Patent Laid-Open No. 61-255639, there is a device in which a fingerprint is detected to identify an individual.

This is because a fingerprint of a predetermined finger is picked up, density of the screen is converted into an electric signal, fingerprint information is output, and this is collated with pre-registered fingerprint information to see if they match. Alternatively, it is determined whether there is a mismatch. Then, when the door is closed, if the coincidence of the fingerprint information is determined, an unlock signal is output to the electric lock, and if the mismatch of the fingerprint information is determined, the unlock signal is not output.

[0004]

In the conventional personal identification device as described above, the fingerprint is read and collated, and the fingerprint is always treated as being correctly read. However, the fingerprint is actually thin. A person or a person whose fingerprint is dry may have few feature points or no feature points even if the fingerprint is read. For this reason, there is a problem that the personal identification device cannot be used because of collation mismatch.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a personal identification device in which even a person with a thin fingerprint can surely perform personal identification and can operate smoothly. .

[0006]

The personal identification device according to the first aspect of the present invention sets, as personal information, a correlation of muscle lines formed on the skin of a predetermined finger other than the fingerprint. It is designed to be collated.

In the personal identification device according to the second aspect of the present invention, the correlation of the muscle lines formed on the skin of a predetermined plurality of fingers other than the fingerprints is set as personal information and collated. It is a thing.

The personal identification device according to the third aspect of the present invention further comprises fingerprint collating means for collating the characteristic points of the read fingerprint with the characteristic points of the fingerprint registered in advance to judge whether they match or not. The personal information collating means for collating the correlation of the muscle lines according to claim 1 or 2 when the fingerprint collating means judges the mismatch of the fingerprints.

Further, the personal identification device according to the fourth aspect of the present invention reads fingerprints of a predetermined plurality of fingers, and has many characteristic points among them.
Fingerprint registration means for registering the characteristic points of the finger, and fingerprint collation means for reading the fingerprints of the predetermined plurality of fingers and comparing the fingerprints with the registered characteristic points of the one finger to judge whether they match or do not match. It is equipped with.

The personal identification device according to the fifth aspect of the present invention is a personal information collating means for collating the correlation between the muscle lines according to claim 1 or 2 when the collation of the fingerprint collating means according to the fourth aspect is inconsistent. It is equipped with.

The personal identification device according to the sixth aspect of the present invention is an individual who verifies the correlation between the muscle lines according to claim 1 or 2 with respect to a person whose fingerprint characteristic points are identified as being less than a predetermined value. And information collating means.

The personal identification device according to the seventh aspect of the present invention includes fingerprint registration means for reading fingerprints of a plurality of predetermined fingers and registering the feature points of one finger, of which the feature points are equal to or more than a predetermined value, and the registered fingerprint. It is provided with a registered finger display means for displaying one finger, and a fingerprint collation means for collating the feature points of the fingerprint of the displayed finger with the feature points of the registered fingerprint to judge whether they match or not. is there.

The personal identification device according to the eighth aspect of the present invention is a personal identification device that collates an input number with a pre-registered number to determine whether they match or not, and a characteristic point of the read fingerprint. Alternatively, a personal information collating means for collating a correlation between muscle lines formed on the skin of the finger other than the fingerprint with a pre-registered feature point or correlation to judge whether they match or not, and a number collating means. And a personal judgment means that operates when the personal information matching means judges a match.

[0014]

In the first invention of the present invention, for a predetermined one finger, in the second invention, for a predetermined plurality of fingers,
Since the correlation of the muscle lines other than the fingerprint is collated as the personal information, the personal information other than the fingerprint is collated.

Further, in the third invention, the characteristic points of the fingerprint are collated, and if it is judged that they do not match, the correlation of the muscle lines is collated. Therefore, when the fingerprint is unclear, the correlation of the muscle lines is confirmed. Are matched.

Further, in the fourth invention, the fingerprints of a plurality of fingers are read, one finger having many characteristic points is registered, and the fingerprints of a plurality of fingers are read and collated with the registered one finger. , Only one finger needs to be processed at the time of matching.

Further, in the fifth invention, the fingerprint registration and the fingerprint collation are performed according to the fourth invention, and the correlation of the muscle lines is collated when the fingerprint collation does not match, so that the correlation of the muscle line when the fingerprint is unclear. Relationships are matched.

Further, in the sixth aspect of the invention, since the correlation of the muscle lines is collated with the person whose fingerprint feature points are determined to be less than the predetermined value, extra collation such as collation of other personal information is performed. Is omitted.

Further, in the seventh invention, one finger whose fingerprint feature point is a predetermined value or more is registered and displayed, and the fingerprint feature point of the displayed finger is collated. Only the fingers need to be processed.

In the eighth aspect of the invention, the input number is collated, and the characteristic points of the read fingerprints or the correlation between the muscle lines are collated to determine whether the two collations match. Therefore, the individual collation is completed only after both collations judge the coincidence.

[0021]

【Example】

Example 1. 1 to 5 are views showing an embodiment of the first to fifth inventions of the present invention, FIG. 1 is a block diagram of a personal identification device, FIG. 2 is a front view of a palm side of a finger, FIG. 3 and FIG. 4 is a flow chart of the personal information registration operation, and FIG. 5 is a flow chart of the personal information collation operation. In the figure, the same reference numerals indicate the same or corresponding parts (the same applies to the following embodiments).

In FIG. 1, (1) is a personal identification device, (2) is a CPU, (3) is a ROM, (4) is a RAM, and (5) is a fingerprint and a streak of a finger when the finger is placed ( Fingerprint reader for reading (described later), (6) OK light indicating that the judgment result is positive,
Similarly, an NG light indicating that the finger is not right, a right light indicating that the operator's finger is the finger of the right hand, and a left lamp indicating that the finger of the operator is also the finger of the left hand, (7) is Interface (8) is a registration switch operated during fingerprint registration, (9) is a numeric keypad, and interface (7) is an electric lock.
It is connected to (10).

In FIG. 2, (13) is the index finger (forefinger) of the left hand, (13a) is its fingerprint, and (13b) is a wrinkle formed on the skin inside the first joint of the index finger (13), that is, the lateral muscle. Wire, (14)
Is the middle finger of the right hand, (14a) is its fingerprint, (14b) is the lateral muscle line formed on the skin inside the first joint of the middle finger (14), (14c) (14d)
Is a horizontal streak line formed near the streak line (14b), and (14e) is a horizontal streak line.
Vertical stripes formed near (14b), (a) and (b) are horizontal stripes (14b)
Is the distance between the horizontal stripes (14c) and (14d), (c) is the distance between the vertical stripes (14e), and D is the distance between the horizontal stripes (13b) and (14b).

Next, the operation of this embodiment will be described with reference to FIGS. The program of this flowchart is stored in the ROM (3). First, the registration operation will be described. First, in step (21), it is determined whether the registration switch (8) is on. If it is on, it is the registration mode, and the process proceeds to step (22). If it is off, it is the verification mode, and the process proceeds to step (41) (FIG. 5). next,
In step (22), waiting for the personal identification number to be input from the numeric keypad (9), when the person who wants to register the fingerprint inputs the personal identification number, in step (23) the OK light of the indicator light (6) is temporarily turned on.

Next, in step (24), a fingerprint reader is used.
Waiting for the fingerprint data to be read at (5), and the person who wants to register the fingerprint puts a predetermined two-fingered finger (the index finger and the middle finger of the left hand in the embodiment) on the fingerprint reader (5), and proceeds to step (25). move on. In step (25), the characteristic points of the fingerprints of the two fingers are calculated. In step (26), it is determined whether the characteristic point of one of the two fingers has a predetermined value or more. If either of the two fingers has a predetermined value or more, the process proceeds to step (27). If so, proceed to step (33) (FIG. 4).

In step (27), it is determined whether or not the right finger (the middle finger in the embodiment) of the two fingers has more feature points than the left finger (the index finger in the embodiment). If there are more right fingers, proceed to step (28), and if there are more left fingers, proceed to step (29). In step (28), the "characteristic point of the right finger", "password" and "right" are stored in the RAM (4) as the personal information of the person, and the step (2
At 9), the right light and OK light of the indicator light (6) are temporarily blinked, and the registration is completed.

In step (30), the "characteristic point of the left finger", "personal identification number" and "left" are stored in the RAM (4) as the personal information of the person, and the indicator lamp (6) is stored in step (31). The left light and the OK light of 1 blink temporarily and the registration is completed. Next, in step (26), when both feature points are judged to be less than a predetermined value and the process proceeds to step (33), the distance D between the horizontal streak lines (13b) (14b) of the two fingers is calculated. In step (34), it is determined whether the finger with the most feature points is the right one of the two fingers. If the finger is right, the operation proceeds to step (35), and if it is left, the operation proceeds to step (37).

In step (35), RA is "personal information of the right finger", "password", "distance D" and "right" as the personal information of the person.
The data is stored in M (4), and in step (36), the OK lamp of the indicator lamp (6) is temporarily blinked to complete the registration. In step (37), the "characteristic point of the left finger", "password", "distance D" and "left" are stored in the RAM (4) as personal information of the person, and in step (38) the indicator light is stored. Registration is completed by temporarily flashing the OK and left lights in (6).

Next, the collating operation will be described. Step (41)
Wait until the passcode is entered from the numeric keypad (9) with, and when the passerby enters the passcode, proceed to step (42), check it with the registered passcode, and if it is "correct", go to step (43 )
Then, the OK lamp of the indicator lamp (6) is temporarily turned on, and the process proceeds to step (45). If "NO", the NG lamp of the indicator light (6) is temporarily turned on in step (44), the process returns to step (41), and steps (41) and (42) are repeated.

At step (45), waiting for the fingerprint data to be read by the fingerprint reader (5), the passerby is allowed to read the fingerprint data.
If you put two fingers on (5), it is judged in step (46) whether the person's predetermined finger is the right finger, and if it is the right finger, in step (47) the indicator light (6 ) Temporarily lights the right light, and if the finger is the left finger, the left light is temporarily lighted in step (48). Then, in step (49), the characteristic points of the fingerprint of the right or left finger of the person determined in advance are calculated, and in step (50), it is determined whether the characteristic points match within a predetermined range.

If they match within a predetermined range, the OK lamp of the indicator lamp (6) is temporarily blinked in step (51), and a temporary unlock command is output to the electric lock (10) in step (52). The passerby can now pass through the door, and the process ends. Step
If it is determined in (50) that they do not match within the predetermined range, the process proceeds to step (53), the distance D between the horizontal streak lines (13b) and (14b) of the two fingers is calculated, and the distance D is calculated in step (54). It is determined whether or not they match within a predetermined range. If they match, in step (55), the O of the indicator light (6) is
The K light is blinked temporarily and the electric lock is unlocked in step (52).
If they do not match, the NG lamp is temporarily blinked in step (56), and the process ends.

In this way, at the time of registration, the characteristic points of the fingerprints of the two fingers are read, the finger having many characteristic points is registered, and when the characteristic points are less than the predetermined value, the horizontal streak lines (13b) (14b) of the two fingers are registered. ) Distance between
To register. At the time of collation, the characteristic points of the fingerprint are collated, and when this does not match the registered data, the distance D is collated. Therefore, even a person with a thin fingerprint can surely identify an individual, and the identification result by the device will not be negative, and smooth operation can be expected. Where step (25)
(28) (30) constitutes a fingerprint registration means, steps (49) (50) constitute a fingerprint collation means, and steps (53) (54) constitute a personal information collation means.

Example 2. FIG. 6 is a diagram showing an embodiment of the sixth invention of the present invention and is a flow chart of the main part of FIG.
1 to 4 are also used in the second embodiment. In this embodiment, when the fingerprint data is read in the matching step (45), it is determined in step (58) whether the fingerprint feature points are equal to or larger than a predetermined value. If there is more than the specified value, step (4
Proceed to 9). If it is less than the predetermined value, proceed to step (53) and 2
The distance D between the lateral stripes (13b) and (14b) of the finger is calculated.

In this way, for a person whose feature points of the fingerprint are less than a predetermined value, the feature points are not collated and immediately 2
Since the distance D between the horizontal streak lines (13b) and (14b) of the finger is calculated and collated, the collation speed is improved.

Example 3. This embodiment is the seventh embodiment of the present invention.
This is an embodiment of the invention, and one finger having many fingerprint feature points is displayed in steps (29) and (31) of FIG. 3, and at the time of matching, this displayed one finger is processed in steps (49) to (56). It collates according to. In this way, since only one finger is collated at the time of collation, the collation speed is improved. Where steps (29) (31)
Constitutes a registration finger display means.

Example 4. This embodiment is the eighth embodiment of the present invention.
This is an embodiment of the invention, and the numeric keypad is used in step (22) of FIG.
In contrast to entering the personal identification number from (9), a magnetic card, I
C cards, optical cards, non-contact cards, etc. are used. The matching of this PIN and the characteristic point or the horizontal streak line of two fingers (1
3b) (14b) The point of individual identification by matching the distance D is
It is the same as described above.

Example 5. It should be noted that the following implementation can also be easily implemented by partially modifying the above-described implementation. (1) The distance D between the horizontal stripes (3b) and (4b) is used as the personal identification information.
(14c) (14d) spacing (a) (b), vertical line (14e) spacing (c),
These shapes and the like are used. In particular, the above is required in the case of matching with one finger. (2) In FIG. 5, one finger is collated, but two fingers are collated.

(3) In step (25) of FIG. 3, the characteristic points of the fingerprint of the two fingers are calculated, and in step (33) of FIG. 4 and step (53) of FIG. ) (4b) The distance D between them is calculated, but these are applied to three or more fingers. (4) I entered my PIN in step (42) in Figure 5, but
By omitting this, only the correlation between the fingerprint, the horizontal stripes (13b) (14b) to (14d) and the vertical stripes (14e) is compared.

[0039]

As described above, in the first invention of the present invention, the correlation of muscle lines other than the fingerprint is collated as personal information for a predetermined one finger and for the predetermined plural fingers in the second invention. Therefore, personal information other than the fingerprint is collated, and even a person with a thin fingerprint can surely identify the individual, and the result of identification by the device is not negative, and smooth operation can be expected.

Further, in the third invention, the characteristic points of the fingerprint are collated, and if it is judged that they do not match, the correlation of the muscle lines is collated. Therefore, when the fingerprint is unclear, the correlation of the muscle lines is confirmed. Are verified, and there is the same effect as the first invention.

Further, in the fourth invention, the fingerprints of a plurality of fingers are read and one finger having many characteristic points therein is registered, and the fingerprints of a plurality of fingers are read and collated with the registered one finger. At the time of matching, only one finger needs to be processed, and the matching speed can be improved.

Further, in the fifth invention, the fingerprint registration and the fingerprint collation are performed according to the fourth invention, and the correlation of the muscle lines is collated when the fingerprint collation does not match. Therefore, the correlation of the muscle line when the fingerprint is unclear. The relationship is verified, and the same effect as the first invention is obtained.

Further, in the sixth aspect of the invention, since the correlation of the muscle lines is collated with the person whose fingerprint feature points are determined to be less than the predetermined value, extra collation such as collation of other personal information is performed. Is omitted, and the matching speed can be improved.

Further, in the seventh invention, one finger whose fingerprint feature point is equal to or larger than a predetermined value is registered and displayed, and the fingerprint feature point of the displayed finger is collated. Since only the finger processing is required, there is an effect that the matching speed can be improved.

Further, in the eighth aspect of the invention, the input number is collated, and the characteristic points of the read fingerprints or the correlation of the muscle lines are collated, and it is judged whether or not both collations match. Therefore, the individual matching is completed only when both matchings judge the matching, and the matching accuracy can be secured.

[Brief description of drawings]

FIG. 1 is a block diagram of a personal identification device showing a first embodiment of the present invention.

FIG. 2 is a front view on the palm side of a finger showing the first embodiment of the present invention.

FIG. 3 is a personal information registration operation flowchart showing the first embodiment of the present invention.

FIG. 4 is a personal information registration operation flowchart showing a continuation of FIG. 3;

FIG. 5 is a personal information collating operation flowchart showing the first embodiment of the present invention.

FIG. 6 is a diagram showing a second embodiment of the present invention, and is a main part flowchart of FIG. 5;

[Explanation of symbols]

1 personal identification device, 5 fingerprint reader, 6 indicator light, 8
Registration switch, 9 numeric keypad, 10 electric lock, 13 left index finger, 13a, 14a fingerprint, 13b, 14b-1
4d horizontal stripes, 14e vertical stripes, 25-28,30 fingerprint registration means, 29,31 registration finger display means, 49,50
Fingerprint collating means, 53, 54 personal information collating means.

Claims (8)

[Claims] 1. A device formed on the skin of a predetermined finger, other than a fingerprint, in a device for comparing read personal information with personal information registered in advance to determine whether the two match. A personal identification device characterized in that a correlation of lines is set as the personal information. 2. An apparatus for determining the agreement or inconsistency between read personal information and personal information registered in advance to determine whether they match or not, which is formed on the skin of those fingers other than fingerprints. A personal identification device, characterized in that a correlation of muscle lines is set as the personal information. 3. A fingerprint collating means for collating the feature points of the read fingerprint with the feature points of the fingerprint registered in advance to judge whether they match or not, and this fingerprint collating means determines that the feature points do not match. A personal identification device comprising personal information collating means for collating the correlation of the muscle lines according to claim 1 or 2 when the judgment is made. 4. A fingerprint registration means for reading fingerprints of a predetermined plurality of fingers and registering feature points of one finger having a large number of feature points therein, and a fingerprint registration means for reading the fingerprints of the predetermined plurality of fingers and the registered fingerprints. A personal identification device comprising: a fingerprint collating unit that collates with a characteristic point of one finger to judge whether they match or not. 5. A personal identification device comprising personal information collating means for collating the correlation of the muscle lines according to claim 1 or 2 when the collation of the fingerprint collating means according to claim 4 does not match. 6. A personal identification device comprising personal information collating means for collating the correlation between the muscle lines according to claim 1 or 2 with respect to a person whose fingerprint characteristic points are less than a predetermined value. . 7. Fingerprint registration means for reading fingerprints of a plurality of predetermined fingers and registering feature points of one finger having feature points of a predetermined value or more, and registered finger display means for displaying the registered one finger. A personal identification device, comprising fingerprint collation means for collating the displayed fingerprint feature points with the registered fingerprint feature points to determine a match or a mismatch. 8. A number collating means for collating an input number with a pre-registered number to determine whether they match or not, and a characteristic point of the fingerprint read or the skin of the finger other than the fingerprint. The personal information collating means for collating the correlation of the formed muscle lines with the pre-registered feature points or the correlation to determine whether they are the same or not, and the number collating means and the personal information collating means are the same. An individual identification device comprising: an individual determination unit that operates when determining.