JPH0561964A - Fingerprint matching device - Google Patents
Fingerprint matching deviceInfo
- Publication number
- JPH0561964A JPH0561964A JP3223107A JP22310791A JPH0561964A JP H0561964 A JPH0561964 A JP H0561964A JP 3223107 A JP3223107 A JP 3223107A JP 22310791 A JP22310791 A JP 22310791A JP H0561964 A JPH0561964 A JP H0561964A
- Authority
- JP
- Japan
- Prior art keywords
- fingerprint
- data
- registration
- area
- priority
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Collating Specific Patterns (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は指紋照合装置に関し、特
に最も多く入力する指紋を最も早く照合できる指紋照合
装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fingerprint collation device, and more particularly to a fingerprint collation device capable of collating the most input fingerprints earliest.
【０００２】[0002]
【従来の技術】例えば、ＩＤコード等を用いない指紋照
合装置では、登録モードにして指紋の中心核による階層
化分類方式により得られた各種指紋データを分類毎に入
力順に予めメモリに登録し、そして照合モードにして入
力される指紋を階層化分類方式により、登録モード時と
同様に所定種類の階層に分類し、その分類されたメモリ
の各種指紋データと全てと照合する際に、アドレス番号
が多い領域に登録されている指紋データから照合し、一
致すると判断する指紋データがあれば指紋一致と判断す
るものであった。2. Description of the Related Art For example, in a fingerprint collation device which does not use an ID code or the like, various fingerprint data obtained by a hierarchical classification system based on the central core of fingerprints is registered in a memory in advance in a registration mode, in an input order. Then, the fingerprint input in the collation mode is classified into a predetermined type of hierarchy by the hierarchical classification method in the same manner as in the registration mode, and the address number is used when matching all the various fingerprint data of the classified memory. The fingerprint data registered in a large number of areas is collated, and if there is fingerprint data that is determined to match, it is determined that the fingerprint matches.
【０００３】[0003]
【発明が解決しようとする課題】上記のような指紋照合
装置では、指紋を照合する際に登録されて指紋データの
若い順番から照合するようにされているので、例えば登
録されている最も古い順番の指紋データと一致する指紋
がよく入力された場合は、最もよく入力される指紋ほど
照合に時間が長くかかるという問題点があった。In the fingerprint collating apparatus as described above, when collating the fingerprints, the collation is performed from the youngest of the registered fingerprint data. If a fingerprint that matches the fingerprint data of 3 is often input, there is a problem in that the fingerprint that is input most often takes longer to collate.
【０００４】本発明は以上の問題点を解決するためにな
されたもので、よく入力する指紋ほど照合時間が短くで
きる指紋照合装置を得ることを目的とする。The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a fingerprint collation device which can shorten the collation time for a fingerprint that is frequently input.
【０００５】[0005]
【課題を解決するための手段】本発明に係わる指紋照合
装置は、指紋登録時には指紋データが入力する毎に階層
化分類し、分類毎に登録領域を指定し、その指定した登
録領域に入力順に指紋データを指紋登録データとして順
次登録し、また指紋照合時には指紋データが入力する毎
に階層化分類したときの指定した登録領域及び指紋デー
タの特徴を知らせる階層化分類手段を有する指紋照合装
置において、登録領域が指定されると、その登録領域に
指紋登録データが入力順に登録され、指紋登録データが
照合された後に、その指紋登録データに優先度及び照合
回数が付加（以下総称してデータという）され、データ
の登録順番が登録領域の中で変更される指紋登録用メモ
リと、階層化分類手段から登録領域が知らせられると、
その登録領域に登録されている指紋登録データを若い登
録順番から順次読み、指紋データの特徴と順次照合し、
一致するか否かを判断する照合手段と、照合手段が照合
一致と判断する毎に、照合回数を計数して、一致した指
紋登録データに照合回数を付加する照合回数設定手段
と、照合手段によって一致と判断されると、指紋登録デ
ータの照合回数に基づいてそれぞれの指紋登録データの
優先度を求めて付加する優先度設定手段と、優先度設定
手段によって指定された登録領域のそれぞれのデータの
優先度を読み、最も優先度が高いデータから順に、指定
された登録領域の若い領域に登録変更する指紋登録デー
タ領域変更手段とを備えたものである。A fingerprint collation apparatus according to the present invention hierarchically classifies each time fingerprint data is input during fingerprint registration, specifies a registration area for each classification, and enters the specified registration area in the order of input. In a fingerprint collation device having a hierarchical classification means for sequentially registering fingerprint data as fingerprint registration data and for notifying the characteristics of the designated registration area and fingerprint data when hierarchically classifying each time fingerprint data is input during fingerprint matching, When the registration area is designated, the fingerprint registration data is registered in the registration area in the order of input, and after the fingerprint registration data is collated, the priority and the number of collations are added to the fingerprint registration data (hereinafter collectively referred to as data). Then, when the registration area is notified from the memory for fingerprint registration in which the registration order of the data is changed in the registration area and the hierarchical classification means,
The fingerprint registration data registered in the registration area is sequentially read from the youngest registration order, and the characteristics of the fingerprint data are sequentially compared,
The matching means for determining whether or not there is a match, the matching frequency setting means for counting the number of times of matching each time the matching means determines a matching match, and adding the number of times of matching to the matched fingerprint registration data, and the matching means. When it is determined that they match, priority setting means for obtaining and adding the priority of each fingerprint registration data based on the number of times of collation of fingerprint registration data, and data of each data of the registration area designated by the priority setting means. A fingerprint registration data area changing unit for reading the priority and sequentially changing the registration in the younger area of the designated registration areas in order from the highest priority data is provided.
【０００６】[0006]
【作用】本発明においては、指紋照合時に階層化分類手
段によって、入力された指紋データが分類されて、その
分類に対応する指紋登録用メモリの登録領域及び入力さ
れた指紋データの特徴が知らせられると照合手段は、そ
の知らせられた登録領域の若い登録領域の指紋登録デー
タと順次照合し、一致するか否かを判断する。In the present invention, the inputted classification data is classified by the hierarchical classification means at the time of fingerprint matching, and the registration area of the fingerprint registration memory corresponding to the classification and the characteristics of the inputted fingerprint data are notified. And the collating means sequentially collate with the fingerprint registration data of the notified young registration area of the registration area, and determine whether or not they match.
【０００７】このとき、照合回数設定手段は一致と判断
されると、その指紋登録データの照合回数を計数して付
加する。At this time, if it is determined that the collation number setting means coincides, the collation number of the fingerprint registration data is counted and added.
【０００８】そして、優先度設定手段は照合回数設定手
段により照合回数が付加されると、登録領域のそれぞれ
の指紋登録データの照合過数に基づいて優先度を指紋登
録データに付加する。Then, when the number of times of collation is added by the number of times of collation setting means, the priority setting means adds a priority to the fingerprint registration data based on the excessive number of collation of each fingerprint registration data in the registration area.
【０００９】次に、指紋登録データ領域変更手段は、指
紋登録用メモリの登録領域のそれぞれの指紋登録データ
に優先度及び照合回数が付加されたデータの優先度を読
み、最も優先度が高いデータから順に、登録領域の若い
領域に登録変更する。Next, the fingerprint registration data area changing means reads the priority of the data in which the priority and the number of collations are added to each fingerprint registration data in the registration area of the fingerprint registration memory, and the highest priority data is read. The registration is changed to the younger registration area in order from.
【００１０】[0010]
【実施例】図１は本発明の指紋照合装置の概略構成図で
ある。図において、１は入力される指紋、２は光学式読
取部であり、指紋１に光を放射し、その反射波を電気信
号に変換して出力するものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic block diagram of a fingerprint collation device of the present invention. In the figure, reference numeral 1 is an input fingerprint, and 2 is an optical reading unit, which emits light to the fingerprint 1 and converts the reflected wave into an electric signal and outputs it.
【００１１】３はデジタル処理部であり、光学式読取部
２からの出力される電気信号をデジタル変換し、例えば
２値化した指紋（以下指紋データという）を出力するも
のである。A digital processing unit 3 digitally converts the electric signal output from the optical reading unit 2 and outputs, for example, a binarized fingerprint (hereinafter referred to as fingerprint data).
【００１２】４は指紋登録用メモリであり、後述する階
層化分類手段により分類された指紋データ（以下登録指
紋データという）が分類領域毎にかつ入力毎にアドレス
番号の少ない順位（以下古いアドレスという）から複数
格納され、また後述する照合回数設定手段によりそれぞ
れの登録指紋データ毎に照合回数及び優先度が設定され
る照合回数登録領域及び優先度登録領域が作成されて記
憶され、優先度が高い順に優先度、照合回数及び登録指
紋データの組合わせ（以下総称して登録指紋データ領域
という）でアドレス番号の多い順位（以下若いアドレス
という）の領域に変更されて登録されるものである。Reference numeral 4 denotes a fingerprint registration memory, in which the fingerprint data (hereinafter referred to as registered fingerprint data) classified by a hierarchical classification means, which will be described later, has a small address number for each classification area (hereinafter referred to as old address). ) Is stored, and a matching count registration area and a priority registration area in which the matching count and priority are set for each registered fingerprint data by the matching count setting means to be described later are created and stored, and the priority is high. In this order, a combination of priority, number of times of matching, and registered fingerprint data (hereinafter collectively referred to as a registered fingerprint data area) is changed to an area having a larger address number (hereinafter referred to as a young address) and registered.
【００１３】５は階層化分類手段であり、例えば登録モ
ードに設定されると周知の階層化分類方式により、デジ
タル処理部３から入力される指紋データの中心核を算出
し、その中心核から指紋流の特徴を算出し、その特徴毎
に分類して指紋登録用メモリ４に登録指紋データとして
登録するものである。Reference numeral 5 denotes a hierarchical classification means, which calculates the central core of the fingerprint data input from the digital processing unit 3 by a well-known hierarchical classification system when set in the registration mode, and the fingerprint is calculated from the central core. Flow characteristics are calculated, classified according to the characteristics, and registered in the fingerprint registration memory 4 as registered fingerprint data.
【００１４】また照合モードに設定されると、同様に指
紋流の特徴を求めその特徴を示す登録指紋データ群の分
類領域のアドレス（以下インデックスアドレスという）
を知らせると共に、入力された指紋データの特徴を知ら
せるものである。Further, when the collation mode is set, the characteristic of the fingerprint stream is similarly obtained, and the address of the classification area of the registered fingerprint data group showing the characteristic (hereinafter referred to as index address).
And the characteristics of the input fingerprint data.
【００１５】６は照合手段であり、照合モードに設定さ
れると、階層化分類手段５からのインデックスアドレス
を読み、そのインデックスアドレスの最も若いアドレス
の登録指紋データ領域の登録指紋データから順に照合
し、一致するものがあれば登録された指紋と判断するも
のである。Reference numeral 6 denotes a collating means. When the collating mode is set, the index address from the hierarchical classifying means 5 is read, and collation is performed in order from the registered fingerprint data in the registered fingerprint data area of the youngest address of the index address. If there is a match, it is judged as the registered fingerprint.
【００１６】７は照合回数設定手段であり、照合手段６
で登録指紋データと照合される毎にその登録指紋データ
領域に照合回数登録領域を作成し、照合回数に＋１して
新たな照合回数を照合回数登録領域に設定するものであ
る。Reference numeral 7 is a collation number setting means, and the collation means 6
Each time the registered fingerprint data is matched with, a matching count registration area is created in the registered fingerprint data area, and the matching count is incremented by 1 to set a new matching count in the matching count registration area.
【００１７】８は優先度設定手段であり、照合手段６で
一致と判断すると、一致と判断された登録指紋データ領
域の照合回数を読み、その登録指紋データ領域に優先度
登録領域を作成し、照合回数に基づいて新たな優先度を
設定して登録すると共に、他の登録指紋データの優先度
を新たな優先度に基づいて同様に設定するものである。Reference numeral 8 is a priority setting means, which when the matching means 6 judges that the registered fingerprint data area is matched, reads the number of times of matching and creates a priority registration area in the registered fingerprint data area. A new priority is set and registered based on the number of collations, and the priorities of other registered fingerprint data are similarly set based on the new priority.
【００１８】９は登録指紋データ領域変更手段であり、
優先度設定手段８で設定された優先度に基づいて、登録
指紋データ、照合回数及び優先度の組合わせで若いアド
レス領域から順番に登録しなおすものである。Reference numeral 9 is a registered fingerprint data area changing means,
Based on the priority set by the priority setting means 8, the registered fingerprint data, the number of collations, and the priority are re-registered in order from the younger address area.
【００１９】上記のように構成された指紋照合装置につ
いて、以下に動作を説明する。図２及び図３は本発明の
動作を説明するフローチャートである。この場合は登録
モードについては本発明と関係がないので概略説明とす
る。The operation of the fingerprint collation device configured as described above will be described below. 2 and 3 are flowcharts for explaining the operation of the present invention. In this case, the registration mode has no relation to the present invention and will be described briefly.
【００２０】初めに初期設定として、予め複数の指紋を
入力させ階層分類手段５により、複数の特徴を示す階層
に分類し、類似した指紋データをそれぞれ階層毎に分類
し、最終的に中心核及び指紋流の流れが類似する指紋デ
ータ群を１つのタイプとしてタイプ毎に、かつ入力順
（例えばアドレス０００００Ｈ〜１００００Ｈ）に格納
する（Ｓ１）。この場合はアドレス０００００Ｈを古い
アドレス、アドレス１００００Ｈを若いアドレスとす
る。First, as an initial setting, a plurality of fingerprints are input in advance and classified into a hierarchy showing a plurality of characteristics by the hierarchy classification means 5, and similar fingerprint data are classified into respective hierarchies, and finally the central core and A fingerprint data group having a similar flow of fingerprints is stored as one type for each type and in the input order (for example, addresses 00000H to 10000H) (S1). In this case, the address 00000H is the old address and the address 10000H is the young address.
【００２１】図４は指紋の中心核を用いた階層化分類処
理の概略を説明する図である。同図は入力画像として指
紋データが入力すると、中心核が何個かを求め、中心核
毎に分類する。そして、指紋流の特徴毎に分類し、対応
する指紋登録領域に格納する。FIG. 4 is a diagram for explaining the outline of the hierarchical classification processing using the central core of the fingerprint. In the figure, when fingerprint data is input as an input image, the number of central cores is determined, and the central cores are classified. Then, the fingerprints are classified according to their characteristics and stored in the corresponding fingerprint registration area.
【００２２】この場合は８種類（Ａ〜Ｅ）のタイプの指
紋登録領域を有して、類似する指紋データ群をそれぞれ
の指紋登録領域に格納したことを示すものである。In this case, the fingerprint registration areas of eight types (A to E) are provided, and the similar fingerprint data group is stored in each fingerprint registration area.
【００２３】次に、照合モードの設定の入力指示がされ
（Ｓ２）、指紋１が入力されると（Ｓ３）、階層化分類
手段５は図２に説明した周知の処理をして分類し、分類
した指紋登録領域のインデックスアドレスを照合手段６
に知らせる。この場合はＡの指紋登録領域のインデック
スアドレスを知らせたとする。Next, when the input instruction for setting the collation mode is given (S2) and the fingerprint 1 is input (S3), the hierarchical classification means 5 classifies by performing the well-known processing described in FIG. The collating means 6 uses the index addresses of the classified fingerprint registration areas.
Let me know. In this case, it is assumed that the index address of the fingerprint registration area of A is notified.
【００２４】次に照合手段６は照合モードが設定される
と、階層化分類手段４からのインデックスアドレス及び
入力された指紋データの特徴を読み、古いアドレス領域
の登録指紋データから順次照合すると共に、照合した登
録指紋データのアドレスを照合回数設定手段７に知らせ
る（Ｓ５）。すると、照合回数設定手段７は照合した登
録指紋データ領域のアドレス領域に照合設定領域を作成
して照合回数を設定する（Ｓ６）。Next, when the collation mode is set, the collation unit 6 reads the index address from the hierarchical classification unit 4 and the characteristics of the input fingerprint data, and sequentially collates from the registered fingerprint data in the old address area. The address of the collated registered fingerprint data is notified to the collation number setting means 7 (S5). Then, the collation number setting means 7 creates a collation setting area in the address area of the collated registered fingerprint data area and sets the number of collations (S6).
【００２５】次に、登録指紋データと入力された指紋デ
ータとが一致したかを判断し、一致していない場合は、
その登録指紋データのアドレスを照合回数設定手段７に
知らせると共に、一致していないことを知らせる（Ｓ
７）。一致していないことが知らせられ登録指紋データ
のアドレスが知らせられると、照合回数設定手段７は設
定した照合回数を減算し（Ｓ８）、次の登録指紋データ
のアドレスを設定し（Ｓ９）、ステップＳ５に制御を移
し、分類されたインデックスアドレスの領域の登録指紋
データ全てについて照合させる。Next, it is judged whether the registered fingerprint data and the input fingerprint data match, and if they do not match,
The address of the registered fingerprint data is notified to the matching number setting means 7 and the fact that they do not match is notified (S
7). When it is notified that they do not match and the address of the registered fingerprint data is notified, the matching number setting means 7 subtracts the set matching number (S8) and sets the address of the next registered fingerprint data (S9), and the step The control is shifted to S5, and all registered fingerprint data in the classified index address area are collated.
【００２６】次に、ステップＳ７で入力した指紋データ
と登録指紋データとが一致したと判断されると、照合手
段６は照合を停止し、一致したことを知らせると共に、
一致した登録指紋データのアドレスを知らせる（Ｓ１
０）。Next, when it is determined that the fingerprint data input in step S7 and the registered fingerprint data match, the collating means 6 stops the collation and notifies the fact that they coincide.
Notify the registered fingerprint data address (S1
0).
【００２７】一致したことが知らせられると、優先度設
定手段８は一致した登録指紋データの領域の照合回数に
基づいて優先度を設定し、優先レベルを上げる（Ｓ１
１）。そして、インデックスアドレスの領域の他の複数
の登録指紋データの領域の照合回数を読み、一致した登
録指紋データの領域の優先度に基づいてそれぞれの登録
指紋データの領域の優先度を求めて優先度設定領域に設
定する（Ｓ１２）。この場合はＡのインデックアドレス
の領域の全ての登録指紋データについて実施する。When it is notified that they match, the priority setting means 8 sets the priority based on the number of times of matching of the areas of the registered fingerprint data that match, and raises the priority level (S1).
1). Then, the number of times the other registered fingerprint data areas in the index address area are compared is read, and the priority of each registered fingerprint data area is calculated based on the priority of the matching registered fingerprint data area. It is set in the setting area (S12). In this case, the process is performed for all registered fingerprint data in the area of the index address of A.
【００２８】すると、登録指紋データ領域変更手段９は
インデックスアドレスの登録指紋データ領域の中で最も
若いアドレスの登録指紋データ領域をセーブし、新たに
設定された優先度の中で最も優先レベルの高い登録指紋
データ領域をその最も若いアドレス領域に登録する（Ｓ
１３）。Then, the registered fingerprint data area changing means 9 saves the registered fingerprint data area of the youngest address among the registered fingerprint data areas of the index address, and has the highest priority level among the newly set priorities. The registered fingerprint data area is registered in the youngest address area (S
13).
【００２９】次に終了かを判断し（Ｓ１４）、終了でな
い場合は制御をステップＳ３に制御を移す。Next, it is judged whether or not it is finished (S14), and if it is not finished, the control is shifted to step S3.
【００３０】従って、新たに指紋データが入力すると、
最も優先度の高い登録指紋データから照合する。このよ
うな指紋照合装置を例えばセキュレティの高い部屋のカ
ギ、家のカギ自動車のカギ等に使用すると有効である。Therefore, when new fingerprint data is input,
Matching is performed from the registered fingerprint data with the highest priority. It is effective to use such a fingerprint collation device for a key of a room with high security, a key of a house, a key of a car, or the like.
【００３１】[0031]
【発明の効果】以上のように本発明によれば、指紋登録
用メモリの指紋登録データと照合して一致と判断される
毎に、照合回数を計数し、その照合回数に基づいてそれ
ぞれの指紋登録データの優先度を求め、最も優先度の高
い指紋登録データから順に、指紋登録用メモリの登録領
域の若い領域に登録変更することにより、入力する指紋
データが特定の指紋登録データと多く一致すると、その
一致分優先度が上昇してその指紋登録データが順次若い
領域に登録されるので、優先度の高い指紋登録データか
ら照合し、最も多く入力される指紋ほど照合時間が短い
という効果が得られている。As described above, according to the present invention, the number of times of collation is counted every time the fingerprint registration data in the memory for fingerprint registration is collated and judged to be coincident, and each fingerprint is based on the number of collations. When the priority of the registration data is calculated and the registration data is changed to the younger registration area of the fingerprint registration memory in order from the fingerprint registration data with the highest priority, the input fingerprint data will match the specific fingerprint registration data. , The matching priority increases and the fingerprint registration data is registered in the younger area in sequence, so the fingerprint registration data with higher priority is matched, and the matching time is shorter for the fingerprint with the highest number of inputs. Has been.
【図１】本発明の指紋照合装置の概略構成図FIG. 1 is a schematic configuration diagram of a fingerprint matching device of the present invention.
【図２】本発明の動作を説明するフローチャートFIG. 2 is a flowchart explaining the operation of the present invention.
【図３】本発明の動作を説明するフローチャートFIG. 3 is a flowchart illustrating the operation of the present invention.
【図４】指紋の中心核を用いた階層化分類処理の概略を
説明する図FIG. 4 is a diagram for explaining an outline of a hierarchical classification process using a fingerprint core.
１ 入力される指紋 ２ 光学式読取部 ３ デジタル処理部 ４ 指紋登録用メモリ ５ 階層化分類手段 ６ 照合手段 ７ 照合回数設定手段 ８ 優先度設定手段 ９ 登録指紋データ領域変更手段 DESCRIPTION OF SYMBOLS 1 Input fingerprint 2 Optical reading unit 3 Digital processing unit 4 Fingerprint registration memory 5 Hierarchical classification means 6 Collating means 7 Matching frequency setting means 8 Priority setting means 9 Registered fingerprint data area changing means
Claims (1)
に階層化分類し、分類毎に登録領域を指定し、その指定
した登録領域に入力順に前記指紋データを指紋登録デー
タとして順次登録し、また指紋照合時には前記指紋デー
タが入力する毎に階層化分類したときの前記指定した登
録領域及び該指紋データの特徴を知らせる階層化分類手
段を有する指紋照合装置において、 前記登録領域が指定されると、その登録領域に前記指紋
登録データが入力順に登録され、該指紋登録データが照
合された後に、その指紋登録データに優先度及び照合回
数が付加（以下総称してデータという）され、該データ
の登録順番が前記登録領域の中で変更される指紋登録用
メモリと、 前記階層化分類手段から登録領域が知らせられると、そ
の登録領域に登録されている指紋登録データを若い登録
順番から順次読み、前記指紋データの特徴と順次照合
し、一致するか否かを判断する照合手段と、 前記照合手段が照合一致と判断する毎に、照合回数を計
数して、一致した指紋登録データに照合回数を付加する
照合回数設定手段と、 前記照合手段によって一致と判断されると、指紋登録デ
ータの照合回数に基づいてそれぞれの指紋登録データの
優先度を求めて付加する優先度設定手段と、 前記優先度設定手段によって指定された登録領域のそれ
ぞれのデータの優先度を読み、最も優先度が高いデータ
から順に、指定された登録領域の若い領域に登録変更す
る指紋登録データ領域変更手段とを有することを特徴と
する指紋照合装置。1. When registering a fingerprint, hierarchical classification is performed every time fingerprint data is input, a registration area is designated for each classification, and the fingerprint data is sequentially registered in the designated registration area in the order of input, and In the fingerprint collation device having the designated registration area at the time of performing hierarchical classification each time the fingerprint data is input and the hierarchical classification means for notifying the characteristics of the fingerprint data at the time of fingerprint collation, when the registration area is designated, The fingerprint registration data is registered in the registration area in the order of input, the fingerprint registration data is collated, and then the priority and the number of collations are added to the fingerprint registration data (hereinafter collectively referred to as data) to register the data. A fingerprint registration memory whose order is changed in the registration area, and when the registration area is notified from the hierarchical classification means, the registration area is registered. The fingerprint registration data is sequentially read from a younger registration order, the fingerprint data is sequentially collated with the features of the fingerprint data, and collation means for determining whether or not there is a match, and the number of times of collation is counted each time the collation means determines a collation match. Then, the matching count setting means for adding the matching count to the matched fingerprint registration data, and when the matching means determines that they match, the priority of each fingerprint registration data is obtained based on the matching count of the fingerprint registration data. The priority setting means to be added and the priority of each data in the registration area designated by the priority setting means are read, and the registration is changed to the younger area of the designated registration area in order from the highest priority data. A fingerprint collation device comprising: fingerprint registration data area changing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3223107A JPH0561964A (en) | 1991-09-03 | 1991-09-03 | Fingerprint matching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3223107A JPH0561964A (en) | 1991-09-03 | 1991-09-03 | Fingerprint matching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0561964A true JPH0561964A (en) | 1993-03-12 |
Family
ID=16792938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3223107A Pending JPH0561964A (en) | 1991-09-03 | 1991-09-03 | Fingerprint matching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0561964A (en) |
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