公开(公告)号：US06995762B1

公开(公告)日：2006-02-07

申请号：US10243396

申请日：2002-09-13

申请人： Theo Pavlidis ,  Eugene Joseph ,  Duanfeng He ,  Edward Hatton ,  Kefei Lu

发明人： Theo Pavlidis ,  Eugene Joseph ,  Duanfeng He ,  Edward Hatton ,  Kefei Lu

IPC分类号： G06T15/00

CPC分类号： G06T17/00 ,  G06T7/50

摘要： The present invention facilitates solid object reconstruction from a two-dimensional image. If an object is of known and regular shape, information about the object can be extracted from at least one view by utilizing appropriate constraints and measuring a distance between a camera and the object and/or by estimating a scale factor between a camera image and a real world image. The same device can perform both the image capture and the distance measurement or the scaling factor estimation. The following processes can be performed for object identification: parameter estimation; image enhancement; detection of line segments; aggregation of short line segments into segments; detection of proximity clusters of segments; estimation of a convex hull of at least one cluster; derivation of an object outline from the convex hull; combination of the object outline, shape constraints, and distance value.

摘要翻译： 本发明有助于从二维图像进行实体重建。 如果对象是已知的和规则的形状，则可以通过利用适当的约束和测量相机与对象之间的距离和/或通过估计相机图像和对象之间的比例因子，从至少一个视图提取关于对象的信息 现实世界形象 相同的设备可以执行图像捕获和距离测量或缩放因子估计。 可以对对象识别进行以下处理：参数估计; 图像增强; 检测线段; 将短线段聚合成段; 检测段的近邻簇; 估计至少一个簇的凸包; 从凸包导出物体轮廓; 对象轮廓，形状约束和距离值的组合。

公开(公告)号：US07044378B2

公开(公告)日：2006-05-16

申请号：US10633216

申请日：2003-08-01

申请人： Mehul Patel ,  Kefei Lu ,  David P. Goren ,  Edward Hatton ,  Bruno Vande Vyvre ,  Eugene Joseph ,  Bradley S. Carlson

发明人： Mehul Patel ,  Kefei Lu ,  David P. Goren ,  Edward Hatton ,  Bruno Vande Vyvre ,  Eugene Joseph ,  Bradley S. Carlson

IPC分类号： G06K7/10

CPC分类号： G06K7/0004 ,  G06K7/0008 ,  G06K7/10386 ,  G06K7/10722 ,  G06K7/10811 ,  G06K9/726 ,  G06K19/14 ,  G06K2209/01

摘要： A system and method for imaging an optical code is provided including the steps of consecutively imaging an optical code respectively using at least a first and a second imaging setting; generating at least first and second sets of image data respectively corresponding to the first and second imaging settings; evaluating at least one of the first and second sets of image data; and selecting at least one of the first and second sets of image data in accordance with the evaluation. The system includes an imaging engine having a lens assembly and a photo sensor array for consecutively imaging an optical code located in a field of view of the imaging engine using at least the first and the second imaging settings, and generating the at least first and second sets of image data respectively corresponding to the first and second imaging settings. The system further includes at least one processor for evaluating the at least one of the first and second sets of image data, and selecting the at least one of the first and second sets of image data in accordance with the evaluation.

摘要翻译： 提供了一种用于对光学代码进行成像的系统和方法，包括以下步骤：分别使用至少第一和第二成像设置连续成像光学代码; 生成分别对应于第一和第二成像设置的至少第一和第二组图像数据; 评估第一和第二组图像数据中的至少一个; 以及根据评估来选择第一和第二组图像数据中的至少一个。 该系统包括具有透镜组件和光传感器阵列的成像引擎，用于使用至少第一和第二成像设置对位于成像引擎的视野中的光学代码进行连续成像，并且生成至少第一和第二 分别对应于第一和第二成像设置的图像数据组。 该系统还包括至少一个用于评估第一组图像数据和第二组图像数据中的至少一个的处理器，以及根据该评估来选择第一和第二组图像数据中的至少一个。