JP2002369812A5

JP2002369812A5 -

Info

Publication number: JP2002369812A5
Application number: JP2001181100A
Authority: JP
Filing date: 2001-06-15
Publication date: 2005-01-06
Anticipated expiration: 2021-06-15

Description

【００１３】
【課題を解決するための手段】
上記本発明の課題は、次の構成（１）、（２）、（３）及び（４）を採用することにより達成できる。
（１）頭蓋骨の表面の三次元の座標位置を三次元計測機により計測し、計測した座標位置データを基に頭蓋骨の三次元モデルの画像データを作成し、該作成した頭蓋骨の三次元モデルの画像データから得られる頭蓋骨三次元モデル上の特定の３点を結ぶ三角形と、別途作成した該当者の顔写真の二次元の画像データの前記三次元モデル上の特定の３点に対応する特定の３点を結ぶ三角形とを比較して、二つの三角形が一致するように頭蓋骨三次元モデルの画像データの鉛直軸に対する傾き、大きさ、顔の向きを調整して頭蓋骨と顔写真の一致度合いを照合して、顔写真の人物と頭蓋骨の人物が同一人物であるかどうかを判定することを特徴とする頭蓋骨スーパーインポーズ方法。
（２）頭蓋骨の三次元座標データを得るための三次元計測機と、
該三次元計測機により計測された三次元座標データを基に頭蓋骨の三次元モデルの画像データを作成する三次元モデル作成手段と、
該三次元モデル作成手段で作成した頭蓋骨の三次元モデルの画像データから頭蓋骨三次元モデル上の特定の３点を結ぶ三角形を作成する三角形作成手段と、
該当者顔写真の二次元の画像データの前記三次元モデル上の特定の３点に対応する特定の３点を結ぶ三角形を作成する三角形作成手段と、
前記二つの三角形作成手段で得られた二つの三角形データを比較して、二つの三角形が一致するように頭蓋骨三次元モデルの画像データの鉛直軸に対する傾斜角度、大きさ、向きを調整し、両画像データの撮影距離の違いに基づいて補正する調整手段と、
補正後の頭蓋骨三次元モデルの画像データを同サイズの二次元画像データに変換する二次元化手段と、
該二次元化手段で得られた頭蓋骨の二次元画像データと前記顔写真に基づく二次元の画像データを用いて、頭蓋骨の二次元画像データの少なくとも輪郭、眼窩及び鼻骨からなる部位と、該当者の顔写真二次元画像データの少なくとも輪郭、眼、鼻、口及び耳からなる部位から頭蓋骨と顔写真の照合に必要な部位のみをそれぞれ抽出し、各部位の位置関係より、互いの一致度合いを照合して、顔写真の人物と頭蓋骨の人物が同一人物であるかどうかを判定する判定手段を備えている頭蓋骨スーパーインポーズ装置。
（３）互いに比較し得る状態にある頭蓋骨の三次元モデルから得られた二次元画像データと該当者の顔写真から得られる二次元画像データを用いて、頭蓋骨の二次元画像データの少なくとも輪郭、眼窩及び鼻骨からなる部位と、該当者の顔写真二次元画像データの少なくとも輪郭、眼、鼻、口及び耳からなる部位から頭蓋骨と顔写真の照合に必要な部位のみをそれぞれ抽出し、各部位の位置関係より両者の一致性を数値的に評価する頭蓋骨スーパーインポーズ方法。
（４）互いに比較し得る状態にある頭蓋骨の三次元モデルから得られた二次元画像データと該当者の顔写真から得られる二次元画像データを用いて、頭蓋骨の二次元画像データの少なくとも輪郭、眼窩及び鼻骨からなる部位と、該当者の顔写真二次元画像データの少なくとも輪郭、眼、鼻、口及び耳からなる部位から頭蓋骨と顔写真の照合に必要な部位のみをそれぞれ抽出し、各部位の位置関係より、互いの一致度合いを照合して、顔写真の人物と頭蓋骨の人物が同一人物であるかどうかを判定する判定手段を備えている頭蓋骨スーパーインポーズ装置。 [0013]
[Means for Solving the Problems]
The object of the present invention can be achieved by adopting the following configurations (1) , (2) , (3) and (4) .
(1) The three-dimensional coordinate position of the surface of the skull is measured by a three-dimensional measuring device, and image data of a three-dimensional model of the skull is created based on the measured coordinate position data. and a triangle connecting the three specific points on the skull three-dimensional model obtained from the image data, specific for a specific three points on the three-dimensional model of the two-dimensional image data of the face photograph of the relevant who created separately Adjust the inclination, size, and face orientation of the image data of the skull 3D model so that the two triangles match by comparing with the triangle connecting the three points, and match the degree of coincidence between the skull and the face photograph A skull superimposing method characterized by collating to determine whether a person in a face picture and a person in a skull are the same person.
(2) A three-dimensional measuring machine for obtaining three-dimensional coordinate data of the skull,
3D model creating means for creating image data of a 3D model of a skull based on 3D coordinate data measured by the 3D measuring device;
Triangle creation means for creating a triangle connecting specific three points on the skull three-dimensional model from the image data of the three-dimensional model of the skull created by the three-dimensional model creation means;
Triangle creation means for creating a triangle connecting specific three points corresponding to specific three points on the three-dimensional model of the two-dimensional image data of the person's face ;
The two triangle data obtained by the two triangle creation means are compared, and the inclination angle, the size, and the direction with respect to the vertical axis of the image data of the skull three-dimensional model are adjusted so that the two triangles coincide. An adjusting unit that corrects based on a difference in imaging distance of image data;
Two-dimensionalization means for converting the image data of the skull three-dimensional model after correction into two-dimensional image data of the same size ;
Using a two-dimensional image data based on the facial photograph a two-dimensional image data of the skull obtained by the two-dimensional means, at least the outline of the two-dimensional image data of the skull, and the site made from the orbital and nasal bone, the relevant person Extract only the parts necessary for matching the picture of the skull and face from at least the contour, two parts of the image of the face of the face, consisting of eyes, nose, mouth and ear, and match each other from the position relation of each part. A skull superimposer comprising a judging means for collating and judging whether a person of a face picture and a person of a skull are the same person or not.
(3) At least an outline of two-dimensional image data of a skull, using two-dimensional image data obtained from a three-dimensional model of a skull in a mutually comparable state and two-dimensional image data obtained from a photograph of a person's face. From the region consisting of the orbit and the nose bone and at least the contour of the subject's two-dimensional image data of the face, the region consisting of the eyes, nose, mouth and ear A skull superimposing method that numerically evaluates the agreement between the two in terms of their positional relationship.
(4) At least an outline of a two-dimensional image data of a skull, using two-dimensional image data obtained from a three-dimensional model of a skull in a mutually comparable state and two-dimensional image data obtained from a photograph of a person's face. From the region consisting of the orbit and the nose bone and at least the contour of the subject's two-dimensional image data of the face, the region consisting of the eyes, nose, mouth and ear And a skull superimposing device provided with a judging means for judging whether or not the person of the face picture and the person of the skull are the same person by collating the degree of coincidence with each other based on the positional relationship of.

Claims

Three-dimensional coordinate position of the surface of the skull is measured by a three-dimensional measuring device, and image data of a three-dimensional model of the skull is created based on the measured coordinate position data, and image data of the created three-dimensional model of the skull is generated The triangle connecting the specific three points on the obtained three-dimensional model of the skull, and the specific three points corresponding to the specific three points on the three-dimensional model of the two-dimensional image data of the face photograph of the person separately created Compare with connected triangles, adjust the inclination, size, and orientation of the face of the image data of the skull 3D model so that the two triangles match, and match the matching degree of the skull and face photograph A method of superimposing a skull, comprising determining whether the person in the face picture and the person in the skull are the same person.

The triangle connecting specific three points on the skull three-dimensional model obtained from the image data of the three-dimensional model of the skull is compared with the triangle connecting specific three points on the two-dimensional image data of the face picture of the person The angle between the image data of the three-dimensional model of the skull and at least the vertical axis, the adjustment of the orientation, and the difference in the shooting distance of both image data so that the two triangles of the skull and the face photograph of the subject coincide. The image data of the skull 3D model after correction on the basis of the image is converted to 2D image data of the same size, and at least the contour of the 2D image of the skull, the region consisting of the orbit and the nose bone, and the face photo image of the corresponding person Extract only the parts required for matching the skull and face from at least the outline of the data, and the parts consisting of eyes, nose, mouth and ears, and match the two from the positional relationship of each part Skull superimposing method of claim 1, wherein the value evaluated.

Comparing at least the eye socket of the two-dimensional image data of the skull with at least the eye area of the two-dimensional image data of the face of the subject, the area of the eye is included in the area of the eye socket The skull superimposing method according to claim 2, wherein the sex is numerically evaluated.

At least a contour, an orbit and a nose bone of a two-dimensional image data of a skull using two-dimensional image data obtained from a three-dimensional model of a skull in a mutually comparable state and two-dimensional image data obtained from a photograph of a person's face Only the parts necessary for matching the skull and face pictures are extracted from the part consisting of and at least the contour of the subject's face photo two-dimensional image data, and the part consisting of the eyes, nose, mouth and ears; skull superimpose wherein the evaluating further both consistency numerically.

A three-dimensional measuring machine for obtaining three-dimensional coordinate data of the skull,
3D model creating means for creating image data of a 3D model of a skull based on 3D coordinate data measured by the 3D measuring device;
Triangle creation means for creating a triangle connecting specific three points on the skull three-dimensional model from the image data of the three-dimensional model of the skull created by the three-dimensional model creation means;
Triangle creation means for creating a triangle connecting specific three points corresponding to specific three points on the three-dimensional model of the two-dimensional image data of the person's face ;
The two triangle data obtained by the two triangle creation means are compared, and the inclination angle, the size, and the direction with respect to the vertical axis of the image data of the skull three-dimensional model are adjusted so that the two triangles coincide. An adjusting unit that corrects based on a difference in imaging distance of image data;
Two-dimensionalization means for converting the image data of the skull three-dimensional model after correction into two-dimensional image data of the same size ;
Using a two-dimensional image data based on the facial photograph a two-dimensional image data of the skull obtained by the two-dimensional means, at least the outline of the two-dimensional image data of the skull, and the site made from the orbital and nasal bone, the relevant person Extract only the parts necessary for matching the picture of the skull and face from at least the contour, two parts of the image of the face of the face, consisting of eyes, nose, mouth and ear, and match each other from the position relation of each part. A skull superimposing apparatus comprising a judging means for collating and judging whether a person of a face photograph and a person of a skull are the same person or not.

At least a contour, an orbit and a nose bone of a two-dimensional image data of a skull using two-dimensional image data obtained from a three-dimensional model of a skull in a mutually comparable state and two-dimensional image data obtained from a photograph of a person's face And two-dimensional image of the subject's face Extract only the regions required for matching the skull and face from at least the contour, and the region consisting of the eyes, nose, mouth and ears of the data, and compare the degree of coincidence with each other based on the positional relationship of each region. A skull superimposing apparatus comprising: determination means for determining whether or not the figure and the figure of the skull are the same figure.