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1. 发明申请

WO2011123944A1 GENERATION OF A MODIFIED 3D IMAGE OF AN OBJECT COMPRISING TOOL MARKS 审中-公开
标题翻译：包含工具标记的对象的修改3D图像的生成
公开(公告)号：WO2011123944A1
公开(公告)日：2011-10-13
申请号：PCT/CA2011/000382
申请日：2011-04-06
申请人： FORENSIC TECHNOLOGY WAI, INC. , BEAUCHAMP, Alain , ROBERGE, Danny , PERRON, Benoît
发明人： BEAUCHAMP, Alain , ROBERGE, Danny , PERRON, Benoît
IPC分类号： G01B21/20 , F41A31/00 , F42B35/00
CPC分类号： G06T3/0012 , F42B5/025 , F42B35/00 , G06K9/00201 , G06K9/44 , G06T5/50 , G06T2207/10056 , G06T2207/20092
摘要： There is provided a method for generating a 3D representation of an object, comprising: acquiring 3D topographic data representative of at least one portion of the object having a macroscopic form and microscopic features; separating the 3D topographic data into microscopic data representative of the microscopic features and macroscopic data representative of the macroscopic form; independently scaling one of the microscopic data and the macroscopic data in order to enhance the microscopic features with respect to the macroscopic form, thereby obtaining scaled topographic data; and generating a 3D image using the scaled topographic data, thereby obtaining a modified representation having enhanced microscopic features for the at least one portion of the object.
摘要翻译：提供了一种用于生成对象的3D表示的方法，包括：获取代表具有宏观形式和微观特征的对象的至少一部分的3D地形数据; 将3D地形数据分解成代表宏观形式的微观特征和宏观数据的微观数据; 独立地缩放微观数据和宏观数据之一，以便增强相对于宏观形式的微观特征，从而获得缩放的地形数据; 以及使用所缩放的地形数据生成3D图像，从而获得具有用于对象的至少一部分的增强的微观特征的修改的表示。

2. 发明申请

WO2009137937A1 ACQUISITION OF TOPOGRAPHIES OF OBJECTS HAVING ARBITRARY GEOMETRIES 审中-公开
标题翻译：收购具有几何几何的物体的地形图
公开(公告)号：WO2009137937A1
公开(公告)日：2009-11-19
申请号：PCT/CA2009/000677
申请日：2009-05-15
申请人： FORENSIC TECHNOLOGY WAI INC. , ROBERGE, Danny , BEAUCHAMP, Alain
发明人： ROBERGE, Danny , BEAUCHAMP, Alain
IPC分类号： G01B11/24 , G01B11/30 , F41A31/00
CPC分类号： G01B11/24 , F42B35/00 , G01B11/26
摘要： There is described a method for positioning an object on an optical sensor system for acquiring a surface thereof, the sensor system having a set of motors for rotating the object around a motor axis perpendicular to an optical axis of the sensor system and for translating the object in X, Y and Z directions, the method comprising: (a) acquiring a relief map of an area in a field of view of the sensor system; (b) computing a normal representative of a topography of the relief map of the area; (c) determining an angle difference between the normal and the optical axis of the sensor system; (d) comparing the angle difference to a threshold angle to determine if the surface of the area is perpendicular to the sensor axis; (e) if the angle difference is greater than a threshold angle, rotating the object to obtain a new difference angle less than the threshold angle; and (f) translating the object to reposition the area in the field of view after the rotating has displaced the area.
摘要翻译：描述了一种用于将物体定位在用于获取其表面的光学传感器系统上的方法，该传感器系统具有一组电动机，用于使物体围绕垂直于传感器系统的光轴的电动机轴旋转，并且用于平移物体在X，Y和Z方向上，所述方法包括：（a）获取所述传感器系统的视场中的区域的浮雕图; （b）计算该地区的救生地图的地形的正常代表; （c）确定传感器系统的法线和光轴之间的角度差; （d）将角度差与阈值角度进行比较，以确定该区域的表面是否垂直于传感器轴线; （e）如果角度差大于阈值角度，则旋转物体以获得小于阈值角的新的差角; 以及（f）在所述旋转已经移动所述区域之后，将所述物体平移以在所述视野中重新定位所述区域。

3. 发明申请

WO2006015475A1 3D BULLET AND CARTRIDGE CASE ANALYSIS 审中-公开
标题翻译： 3D BULLET和CARTRIDGE案例分析
公开(公告)号：WO2006015475A1
公开(公告)日：2006-02-16
申请号：PCT/CA2005/001200
申请日：2005-08-02
申请人： FORENSIC TECHNOLOGY WAI, INC. , NADEAU, Eric , PAGES, Myriam , ROBERGE, Danny , ROY, Alain , LÉGER, Martin
发明人： NADEAU, Eric , PAGES, Myriam , ROBERGE, Danny , ROY, Alain , LÉGER, Martin
IPC分类号： G01B11/24
CPC分类号： G06K9/00201 , F42B35/00 , G01B11/306 , G06K2009/2045 , G06T3/4038 , G06T5/006 , G06T5/50 , G06T7/30 , G06T2200/04
摘要： A method and an apparatus to obtain a surface mapping of a ballistic piece of evidence (BPOE) under examination, such as a bullet or a spent cartridge case, that can be used thereafter as a 3D signature for identifying purpose during ballistic test comparison. The method comprises providing a measurement unit adapted to acquire a relief map of the surface of the BPOE and acquiring with the measurement unit the relief map of the surface to thereby obtain the mapping of the surface of the BPOE. Preferably, the measurement unit of the present invention comprises a confocal sensor such as confocal microscope. Also, the present invention includes acquiring the relief map of the bullet surface or of the cartridge case surface by acquiring and assembling a mosaic of regional reliefs that are partly overlapping with their surroundings regional reliefs.
摘要翻译：一种用于获得检查中的弹道证据（BPOE）的表面映射的方法和装置，例如子弹或废墨盒壳体，其可以随后用作3D弹药测试比较期间的识别目的的3D签名。该方法包括提供测量单元，该测量单元适于获取BPOE表面的浮雕图，并且用测量单元获取表面的浮雕图，从而获得BPOE表面的映射。优选地，本发明的测量单元包括共聚焦传感器，例如共聚焦显微镜。此外，本发明还包括通过获取和组装与其周围区域浮雕部分重叠的区域浮雕的马赛克来获取子弹表面或盒壳表面的浮雕图。

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