公开(公告)号：US07924975B2

公开(公告)日：2011-04-12

申请号：US12419603

申请日：2009-04-07

申请人： Li Zhang ,  Yinong Liu ,  Zhiqiang Chen ,  Yuanjing Li ,  Hewei Gao ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao

发明人： Li Zhang ,  Yinong Liu ,  Zhiqiang Chen ,  Yuanjing Li ,  Hewei Gao ,  Yuxiang Xing ,  Ziran Zhao ,  Yongshun Xiao

IPC分类号： G01N23/04

CPC分类号： G01V5/005 ,  G01B15/00 ,  G01V5/0016 ,  G03B42/00

摘要： In a linear track scanning imaging system and method, the imaging system may include: a ray generating unit having a plurality of ray sources that emit beams alternately, only one ray source at a time; an actuating arrangement causing an object under examination to move with respect to the linear track scanning imaging system along a linear track, leading the object to pass through a scanning area of the linear track scanning imaging system; a data collecting unit that collects projection data of the object for each ray source; an imaging unit that reconstructs an image of the object under examination based on the projection data collected for each ray source; and a display unit for displaying the reconstructed image.

摘要翻译： 在线性轨迹扫描成像系统和方法中，成像系统可以包括：具有交替地发射束的多个射线源的射线产生单元，一次只有一个射线源; 致动装置使被检查物体沿着线性轨迹相对于线性轨道扫描成像系统移动，使物体通过线性轨道扫描成像系统的扫描区域; 数据收集单元，收集每个射线源的物体的投影数据; 成像单元，其基于针对每个射线源收集的投影数据重建被检查物体的图像; 以及显示单元，用于显示重建图像。

公开(公告)号：US20090129544A1

公开(公告)日：2009-05-21

申请号：US12270908

申请日：2008-11-14

申请人： Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yongshun Xiao

发明人： Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Xuewu Wang ,  Qingping Huang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yongshun Xiao

IPC分类号： G01N23/04

CPC分类号： G01N23/04 ,  G01N23/087 ,  G01N2223/423

摘要： A method for substance identification and an apparatus thereof are disclosed. The method comprises comprising steps of: transmitting an object under inspection using high-energy rays and low-energy rays, so as to obtain a high-energy transmission image and a low-energy transmission image for the object, wherein a value of each pixel in the high-energy image indicates a high-energy transparency of the high-energy rays with respect to corresponding parts of the object, and a value of each pixel in the low-energy image indicates a low-energy transparency of the low-energy rays with respect to corresponding parts of the object; calculating a value of a first function for the high-energy transparency and a value of a second function for the high-energy transparency and the low-energy transparency, for each pixel; and classifying locations determined by the value of the first function and the value of the second function using a pre-created classification curve, so as to identify the type of the substance of a part of the object corresponding to each pixel. With the present invention, it is possible to not only obtain a transmission image of the object, but also obtain material information in the object.

摘要翻译： 公开了一种物质识别方法及其装置。 该方法包括以下步骤：使用高能射线和低能射线发射被检查物体，以获得该物体的高能透射图像和低能透射图像，其中每个像素的值 在高能量图像中表示高能量射线相对于物体的相应部分的高能量透明度，并且低能量图像中的每个像素的值表示低能量透射度的低能量 相对于物体的相应部分的射线; 对于每个像素，计算用于高能量透明度的第一函数的值和用于高能量透明度和低能量透明度的第二函数的值; 以及使用预先创建的分类曲线对由第一函数的值和第二函数的值确定的位置进行分类，以便识别与每个像素对应的对象的一部分的实体的类型。 利用本发明，不仅可以获得对象的发送图像，而且可以获得对象中的素材信息。

公开(公告)号：US08873042B2

公开(公告)日：2014-10-28

申请号：US13806168

申请日：2010-12-24

申请人： Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Hongqiu Wang ,  Dongmei Yu ,  Hongfeng Gai ,  Mingliang Li

发明人： Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Hongqiu Wang ,  Dongmei Yu ,  Hongfeng Gai ,  Mingliang Li

IPC分类号： G01J3/44 ,  G01N21/65 ,  G01J3/28 ,  G01N21/27

CPC分类号： G01N21/65 ,  G01J3/28 ,  G01J3/44 ,  G01J3/4412 ,  G01N21/274 ,  G01N21/276

摘要： A Raman spectrum detection system including a light source for emitting excitation light that excites a detected object to emit Raman light; an external light path system for irradiating light emitted from the light source on the detected object and collecting the Raman light emitted by the detected object; a light detection device for receiving the Raman light collected by the external light path system and detecting the Raman light to obtain spectrum data thereof; a control device for controlling the excitation light source to provide the excitation light, controlling the light detection device to detect the Raman light, receiving the spectrum data output from the light detection device, and analyzing said spectrum data to identify the detected object; and an automatic calibration device for holding the standard sample and for automatically calibrating the system.

摘要翻译： 拉曼光谱检测系统，包括用于发射激发光的光源，激发被检测物体发射拉曼光; 外部光路系统，用于将从光源发射的光照射在检测到的物体上并收集被检测物体发射的拉曼光; 光检测装置，用于接收由外部光路系统收集的拉曼光并检测拉曼光以获得其光谱数据; 用于控制激发光源以提供激发光的控制装置，控制光检测装置检测拉曼光，接收从光检测装置输出的光谱数据，以及分析所述光谱数据以识别被检测物体; 以及用于保持标准样品并用于自动校准系统的自动校准装置。

公开(公告)号：US08731268B2

公开(公告)日：2014-05-20

申请号：US13142725

申请日：2010-12-27

申请人： Liang Li ,  Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Yuxiang Xing ,  Xin Jin

发明人： Liang Li ,  Zhiqiang Chen ,  Li Zhang ,  Kejun Kang ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Yuxiang Xing ,  Xin Jin

IPC分类号： G06K9/00

CPC分类号： A61B6/5264 ,  A61B6/032 ,  G06T7/285 ,  G06T11/005 ,  G06T2207/10081 ,  G06T2211/412

摘要： A CT device and method based on motion compensation are proposed. The present invention obtains motion parameters of a target object by using a stereo-vision-based motion measurement system, and then implements motion compensation through the technology based on reconstructed image matrix transformation, thereby obtaining a clear 2D/3D CT image while eliminating motion artifacts. The present invention can effectively eliminate motion artifacts caused by the scanned object's own motions in the CT scanning, and can be easily embedded into the existing CT scanning equipments. The present invention can improve quality of the CT images, and is especially important for CT imaging of some special groups of people that can not control their own motions, such as Parkinson's patients, infants, living mouse and so on. It can also improve ultra-high-resolution imaging of human body.

摘要翻译： 提出了一种基于运动补偿的CT装置和方法。 本发明通过使用基于立体视觉的运动测量系统获得目标对象的运动参数，然后通过基于重构图像矩阵变换的技术实现运动补偿，从而获得清晰的2D / 3D CT图像，同时消除运动伪影 。 本发明能够有效地消除CT扫描中被扫描物体自身运动引起的运动伪影，并且可以容易地嵌入现有的CT扫描设备中。 本发明可以提高CT图像的质量，对于一些不能控制自己的运动的特殊人群，如帕金森患者，婴儿，生活小鼠等，对CT成像尤为重要。 它还可以改善人体的超高分辨率成像。

公开(公告)号：US20130162989A1

公开(公告)日：2013-06-27

申请号：US13806168

申请日：2010-12-24

申请人： Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Hongqiu Wang ,  Dongmei Yu ,  Hongfeng Gai ,  Mingliang Li

发明人： Zhiqiang Chen ,  Li Zhang ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Hongqiu Wang ,  Dongmei Yu ,  Hongfeng Gai ,  Mingliang Li

IPC分类号： G01J3/44

CPC分类号： G01N21/65 ,  G01J3/28 ,  G01J3/44 ,  G01J3/4412 ,  G01N21/274 ,  G01N21/276

摘要： The present disclosure relates to a Raman spectrum detection system, which comprises a light source for emitting excitation light that excites a detected object to emit Raman light; an external light path system for irradiating light emitted from the light source on the detected object and collecting the Raman light emitted by the detected object; a light detection device for receiving the Raman light collected by the external light path system and detecting said Raman light to obtain spectrum data thereof; a control device for controlling the excitation light source to provide the excitation light, controlling the light detection device to detect the Raman light, receiving the spectrum data output from the light detection device, and analyzing said spectrum data to identify the detected object; and an automatic calibration device for holding the standard sample and for automatically calibrating the system. The present disclosure also relates to a method for detecting an object using the Raman spectrum detection system, and a method for automatically calibrating the Raman spectrum detection system.

摘要翻译： 本公开涉及拉曼光谱检测系统，其包括用于发射激发被检测物体发射拉曼光的激发光的光源; 外部光路系统，用于将从光源发射的光照射在检测到的物体上并收集被检测物体发射的拉曼光; 光检测装置，用于接收由外部光路系统收集的拉曼光并检测所述拉曼光以获得其光谱数据; 用于控制激发光源以提供激发光的控制装置，控制光检测装置检测拉曼光，接收从光检测装置输出的光谱数据，以及分析所述光谱数据以识别被检测物体; 以及用于保持标准样品并用于自动校准系统的自动校准装置。 本公开还涉及使用拉曼光谱检测系统检测物体的方法以及用于自动校准拉曼光谱检测系统的方法。

公开(公告)号：US07689055B2

公开(公告)日：2010-03-30

申请号：US11472193

申请日：2006-06-21

申请人： Li Zhang ,  Zhiqiang Chen ,  Yuxiang Xing ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yongshun Xiao

发明人： Li Zhang ,  Zhiqiang Chen ,  Yuxiang Xing ,  Yuanjing Li ,  Yinong Liu ,  Ziran Zhao ,  Yongshun Xiao

IPC分类号： G06K9/40

CPC分类号： G06T5/40 ,  G06T5/009 ,  G06T2207/10116 ,  G06T2207/30004

摘要： A method of image information enhancement in radiography relates to image information processing techniques in radiography. The method comprising steps of: normalizing an acquired image A(x,y) to form a normalized image B(x,y); filtering the normalized image B(x,y) by a low-pass filter to obtain an filtered image C(x,y); calculating a relative standard deviation for each pixel in the image A(x,y), three times the relative standard deviation being an edge threshold for each pixel; thresholding a difference image obtained by subtracting the filtered image C(x,y) from the normalized image B(x,y) by using the edge threshold for each pixel to form a threshold-processed image D(x,y); enhancing a contrast of the threshold-processed image D(x,y) by using a non-linear function to form a contrast-enhanced image E(x,y); determining a enhancement coefficient a(x,y); obtaining a edge-enhanced image F(x,y) by multiplying the enhancement coefficient a(x,y), the contrast-enhanced image E(x,y) and the filtered image C(x,y); and generating a resulting image by multiplying a sum of the edge-enhanced image F(x,y) and the filtered image C(x,y) with the maximum value Amax As compared with the prior arts, the inventive method has a fast processing speed for image information enhancement and a simple algorithm, images clearly, eliminates noises in the images, and satisfies the requirements of relatively more enhancement to the contrast of the dark regions in the scanned images.

摘要翻译： 射线照相术中图像信息增强的方法涉及放射照相术中的图像信息处理技术。 该方法包括以下步骤：归一化所获取的图像A（x，y）以形成归一化图像B（x，y）; 通过低通滤波器对归一化图像B（x，y）进行滤波，得到滤波图像C（x，y）; 计算图像A（x，y）中每个像素的相对标准偏差，相对标准偏差的三倍是每个像素的边缘阈值; 通过使用每个像素的边缘阈值来从归一化图像B（x，y）中减去滤波图像C（x，y）获得的差分图像，以形成阈值处理图像D（x，y）; 通过使用非线性函数来增强阈值处理图像D（x，y）的对比度，以形成对比度增强图像E（x，y）; 确定增强系数a（x，y）; 通过将增强系数a（x，y），对比度增强图像E（x，y）和滤波图像C（x，y）相乘来获得边缘增强图像F（x，y） 并且通过将边缘增强图像F（x，y）和滤波图像C（x，y）的和与最大值Amax As相乘来生成结果图像，与现有技术相比，本发明的方法具有快速处理 图像信息增强的速度和简单的算法，图像清晰，消除了图像中的噪声，并且满足了相对更加增强扫描图像中的暗区域的对比度的要求。

公开(公告)号：US20070179710A1

公开(公告)日：2007-08-02

申请号：US11644137

申请日：2006-12-22

申请人： Li Zhang ,  Zhiqiang Chen ,  Lijun Wang ,  Zhiming Wang ,  Ziran Zhao ,  Yuxiang Xing ,  Yongshun Xiao ,  Yuanjing Li ,  Yinong Liu

发明人： Li Zhang ,  Zhiqiang Chen ,  Lijun Wang ,  Zhiming Wang ,  Ziran Zhao ,  Yuxiang Xing ,  Yongshun Xiao ,  Yuanjing Li ,  Yinong Liu

IPC分类号： G01C21/30 ,  G06F17/10

CPC分类号： G05D1/0246 ,  G05D2201/0216

摘要： The present invention relates to the deviation-correction system for positioning of moving objects, and discloses a deviation-correction system for positioning of moving objects and the motion-tracking method thereof. The system includes a control system for receiving motion parameters required for deviation-correction, and sending commands to an actuator to control a moving object based on the motion parameters, the deviation-correction system for positioning of moving objects further comprising: a reference object which is set as a specified motion trail for the moving object; an image capturing system for acquiring successive digital image data upon the moving object moves; a motion tracking system for performing a motion tracking algorithm based on the digital image data transmitted by the image capturing system to judge whether the current motion state needs to be corrected and then transmitting the motion parameters required for deviation-correction to the control system.

摘要翻译： 本发明涉及用于移动物体的定位的偏差校正系统，并且公开了用于移动物体的定位的偏差校正系统及其运动跟踪方法。 该系统包括用于接收偏差校正所需的运动参数的控制系统，以及基于运动参数向致动器发送命令以控制运动物体的运动对象的偏移校正系统，还包括：参考对象， 被设置为移动物体的指定运动轨迹; 用于在移动物体移动时获取连续的数字图像数据的图像捕获系统; 运动跟踪系统，用于基于由图像捕获系统发送的数字图像数据执行运动跟踪算法，以判断当前运动状态是否需要被校正，然后向控制系统发送偏差校正所需的运动参数。

公开(公告)号：US20070183568A1

公开(公告)日：2007-08-09

申请号：US11647558

申请日：2006-12-29

申请人： Kejun Kang ,  Haifeng Hu ,  Zhiqiang Chen ,  Yuanjing Li ,  Xuewu Wang ,  Chuanxiang Tang ,  Liming Wang ,  Yinong Liu ,  Yaohong Liu ,  Li Zhang ,  Jianmin Li ,  Huaqiang Zhong ,  Jianping Cheng ,  Huaibi Chen ,  Hua Peng ,  Yali Xie ,  Junli Li ,  Ning Kang ,  Qinghua Li

发明人： Kejun Kang ,  Haifeng Hu ,  Zhiqiang Chen ,  Yuanjing Li ,  Xuewu Wang ,  Chuanxiang Tang ,  Liming Wang ,  Yinong Liu ,  Yaohong Liu ,  Li Zhang ,  Jianmin Li ,  Huaqiang Zhong ,  Jianping Cheng ,  Huaibi Chen ,  Hua Peng ,  Yali Xie ,  Junli Li ,  Ning Kang ,  Qinghua Li

IPC分类号： G01N23/04

CPC分类号： G01N23/087 ,  A61B6/4241 ,  A61B6/482 ,  G01V5/0041

摘要： The present invention discloses a method for inspecting an object using multi-energy radiations and an apparatus thereof. The method comprises the steps of: causing multi-energy radiations to interact with an object under inspection; detecting and recording detection values after an interaction between the multi-energy radiations and the object under inspection; substituting a portion of the detection values into a predetermined calibration function to obtain information comprising primary material attribute; and determining further material attributes of the object by applying a set of functions suitable for a energy band corresponding to the information. The present invention is applicable to the large container cargo inspection without opening containers at customs, ports and airports.

摘要翻译： 本发明公开了一种使用多能量辐射检查物体的方法及其装置。 该方法包括以下步骤：使多能量辐射与被检查物体相互作用; 在多能量辐射与检测对象之间的相互作用之后检测和记录检测值; 将一部分检测值代入预定校准函数以获得包括主要材料属性的信息; 以及通过应用适于对应于所述信息的能带的一组函数来确定所述对象的其他材料属性。 本发明适用于在海关，港口和机场不开放集装箱的大型集装箱货物检验。

公开(公告)号：US07497618B2

公开(公告)日：2009-03-03

申请号：US11974458

申请日：2007-10-12

申请人： Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuanjing Li ,  Hua Peng ,  Chuanxiang Tang ,  Shangmin Sun ,  Yinong Liu ,  Jianmin Li ,  Junli Li ,  Li Zhang ,  Yaohong Liu ,  Nan Jiang ,  Zhongrong Yang ,  Tao Wang

发明人： Zhiqiang Chen ,  Kejun Kang ,  Haifeng Hu ,  Yuanjing Li ,  Hua Peng ,  Chuanxiang Tang ,  Shangmin Sun ,  Yinong Liu ,  Jianmin Li ,  Junli Li ,  Li Zhang ,  Yaohong Liu ,  Nan Jiang ,  Zhongrong Yang ,  Tao Wang

IPC分类号： H05G1/02

CPC分类号： G01V5/0016

摘要： A mobile vehicle inspection system includes a moving device; a driving device for driving the moving device to move during scanning inspection; a radiation source disposed on the moving device for emitting a ray; a rotary table pivotally disposed on the moving device; an upright post installed on the rotary table at a lower end of the upright post; transverse detector beam having an end connected with an upper end of the upright post; the upright detector beam having an upper end connected with the other end of the transverse detector beam, and extending downwards from the other end of the transverse detector beam so that the upright post, the transverse detector beam and the upright detector beam constitute a frame of a substantial inverted “U” shape, a ray emitted from the radiation source so as to inspect a vehicle to be inspected which passes through the inverted-“U”-shaped frame.

摘要翻译： 移动车辆检查系统包括移动装置; 用于在扫描检查期间驱动移动装置移动的驱动装置; 设置在所述移动装置上用于发射射线的辐射源; 枢转地设置在所述移动装置上的旋转台; 在立柱的下端安装在旋转台上的立柱; 横向检测器梁的一端与直立柱的上端连接; 直立检测器梁具有与横向检测器梁的另一端连接的上端，并且从横向检测器梁的另一端向下延伸，使得立柱，横向检测器梁和竖直检测器梁构成框架 大体上倒置的“U”形，从辐射源发出的射线，以检查通过倒置“U”形框架的被检查车辆。

公开(公告)号：US20090006019A1

公开(公告)日：2009-01-01

申请号：US12078981

申请日：2008-04-09

申请人： Kejun Kang ,  Zhiqiang Chen ,  Haifeng Hu ,  Yuanjing Li ,  Li Zhang ,  Yinong Liu ,  Xuewu Wang ,  Lijun Qiu ,  Hong Zhang

发明人： Kejun Kang ,  Zhiqiang Chen ,  Haifeng Hu ,  Yuanjing Li ,  Li Zhang ,  Yinong Liu ,  Xuewu Wang ,  Lijun Qiu ,  Hong Zhang

IPC分类号： G01N37/00

CPC分类号： G01N23/046 ,  G01N2223/419

摘要： Disclosed are a method and a device for inspection of drugs concealed in liquid articles without opening the outer packages. The method comprises the steps of: emitting radiation beams to transmit through the liquid article; receiving the radiation beams transmitted through the liquid article to get multi-angle projection data; inversely operating the multi-angle projection data based on the uniformity of the liquid article to obtain an attribute value of the inspected liquid article; retrieving a reference attribute value in a pre-created database by using the identification information of the liquid article as an index, and calculating a difference between the calculated attribute value and the reference attribute value; and determining whether the difference is larger than a predefined threshold value; wherein it is concluded that there are drugs concealed in the liquid article when the difference is determined to be larger than the predefined threshold value.

摘要翻译： 公开了一种用于检查隐藏在液体制品中的药物的方法和装置，而不打开外包装。 该方法包括以下步骤：发射辐射束以透过液体制品; 接收透过液体物品的辐射束，得到多角度投影数据; 基于液体制品的均匀性反向操作多角度投影数据，以获得被检液体的属性值; 通过使用液体物品的识别信息作为索引，在预先创建的数据库中检索参考属性值，以及计算所计算的属性值和参考属性值之间的差; 以及确定所述差异是否大于预定阈值; 其中，当确定差异大于预定阈值时，可以认为在液体制品中存在隐藏的药物。