公开(公告)号：US07478753B2

公开(公告)日：2009-01-20

申请号：US10931150

申请日：2004-08-31

申请人： Mehul Patel ,  Christopher Brock ,  Miroslav Trajkovic ,  Edward Hatton ,  William Sackett

发明人： Mehul Patel ,  Christopher Brock ,  Miroslav Trajkovic ,  Edward Hatton ,  William Sackett

IPC分类号： G06K5/04 ,  G06K7/10 ,  G06K9/32

CPC分类号： G06K7/1443 ,  G06K7/10722 ,  G06K7/10801 ,  G06K7/14 ,  G06K2207/1011

摘要： A system and method for performing a read operation including acquiring a series of frames of image data; processing a first frame of image data including an array of pixel data acquired while an aiming pattern was generated for determining a location L of at least one pixel of the array of pixel data that corresponds to the aiming pattern; and processing a second frame of image data acquired while the aiming pattern was not generated. The processing of the second frame of image data includes the steps of selecting at least one optical code acquired in the second frame of image data that is located at a respective location; wherein the respective location meets a predetermined condition relative to the determined location L; and providing the selected at least one optical code for further processing in accordance with the read operation.

摘要翻译： 一种用于执行读取操作的系统和方法，包括获取一系列图像数据帧; 处理图像数据的第一帧，所述第一帧图像数据包括在生成用于确定对应于所述瞄准图案的像素数据阵列中的至少一个像素的位置L时获取的像素数据阵列; 以及处理在不产生瞄准图案时获取的第二帧图像数据。 第二帧图像数据的处理包括以下步骤：选择在位于相应位置的图像数据的第二帧中获取的至少一个光码; 其中所述相应位置相对于所确定的位置L满足预定条件; 以及根据读取操作提供所选择的至少一个光学代码用于进一步处理。

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。

公开(公告)号：US07025272B2

公开(公告)日：2006-04-11

申请号：US10389184

申请日：2003-03-14

申请人： Dmitry Yavid ,  Alex Breytman ,  Bradley S. Carlson ,  Mark Krichever ,  Mehul Patel ,  Edward Hatton ,  Paul Dvorkis ,  Thomas D. Bianculli

发明人： Dmitry Yavid ,  Alex Breytman ,  Bradley S. Carlson ,  Mark Krichever ,  Mehul Patel ,  Edward Hatton ,  Paul Dvorkis ,  Thomas D. Bianculli

IPC分类号： G03B3/10

CPC分类号： G06K19/14 ,  G06K7/0008 ,  G06K7/10722 ,  G06K7/10811

摘要： An optical code reader is provided including imaging circuitry having an array of photo sensing devices capable of sensing light incident on the array and outputting a plurality of pixel signals corresponding to the sensed light. The reader further includes control and logic circuitry for receiving a subset of the plurality of pixel signals, processing the received subset of the plurality of pixel signals for determining if the received pixel signals meet at least one predetermined condition, and outputting a selection control signal in accordance with the processing results. A focus analysis software module executable by the control and logic circuitry determines the focus quality of the received pixel signals. A selector control software module executable by the control and logic circuitry generates a selection control signal in accordance with the determined focus quality of the received pixel signals. Selector circuitry selectively enables the imaging circuitry to output selected pixel signals of the plurality of pixel signals in accordance with the selection control signal.

摘要翻译： 提供了一种光学代码阅读器，包括具有能够检测入射到阵列上的光并且输出对应于所感测的光的多个像素信号的光敏元件阵列的成像电路。 读取器还包括用于接收多个像素信号的子集的控制和逻辑电路，处理多个像素信号的接收子集，以确定接收的像素信号是否满足至少一个预定条件，并且输出选择控制信号 按照处理结果。 可由控制和逻辑电路执行的焦点分析软件模块确定接收到的像素信号的聚焦质量。 可由控制和逻辑电路执行的选择器控制软件模块根据确定的接收到的像素信号的聚焦质量产生选择控制信号。 选择器电路选择性地使成像电路能够根据选择控制信号输出多个像素信号中的选定像素信号。

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。