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71. 发明授权

US08107068B2 Raman spectroscopy system and Raman spectroscopy detection method 有权
标题翻译：拉曼光谱系统和拉曼光谱检测方法
公开(公告)号：US08107068B2
公开(公告)日：2012-01-31
申请号：US12492253
申请日：2009-06-26
申请人： Zhiqiang Chen , Li Zhang , Yuanjing Li , Yinong Liu , Ziran Zhao , Mingliang Li , Hongfeng Gai , Hongqiu Wang , Dongmei Yu
发明人： Zhiqiang Chen , Li Zhang , Yuanjing Li , Yinong Liu , Ziran Zhao , Mingliang Li , Hongfeng Gai , Hongqiu Wang , Dongmei Yu
IPC分类号： G01J3/44
CPC分类号： G01J3/44 , G01J3/0264 , G01J3/027 , G01J3/0291 , G01J3/28 , G01N21/65 , Y10S707/99933
摘要： The present invention relates to a Raman spectroscopy system that includes a detection center. The detection center includes at least one light source for outputting exciting light which excites a detected object to generate Raman scattered light, and an analysis device for obtaining the Raman spectroscopy of the detected object. The Raman spectroscopy system further includes at least one detection terminal, each of which includes at least one Raman probe that each introduces the exciting light to the detected object, collects the Raman scattered light generated by the detected object, and returns said Raman scattered light to the detection center. The present invention also relates to a method for detecting Raman spectroscopy.
摘要翻译：本发明涉及一种包括检测中心的拉曼光谱系统。检测中心包括至少一个用于输出激发被检测物体以产生拉曼散射光的激发光的光源，以及用于获得被检测物体的拉曼光谱的分析装置。拉曼光谱系统还包括至少一个检测端子，每个检测端子包括至少一个拉曼探针，每个拉曼探头将所激发的光引导到被检测物体，收集被检测物体产生的拉曼散射光，并将所述拉曼散射光返回检测中心。本发明还涉及一种用于检测拉曼光谱的方法。

72. 发明授权

US07945017B2 Method and device for inspection of liquid articles 有权
标题翻译：液体制品检验方法及装置
公开(公告)号：US07945017B2
公开(公告)日：2011-05-17
申请号：US12240049
申请日：2008-09-29
申请人： Zhiqiang Chen , Li Zhang , Xuewu Wang , Haifeng Hu , Hongxin Wu , Yuanjing Li , Yinong Liu , Ziran Zhao , Yuxiang Xing , Hu Tang , Yumin Yi , Jinyu Zhang
发明人： Zhiqiang Chen , Li Zhang , Xuewu Wang , Haifeng Hu , Hongxin Wu , Yuanjing Li , Yinong Liu , Ziran Zhao , Yuxiang Xing , Hu Tang , Yumin Yi , Jinyu Zhang
IPC分类号： G01N23/06
CPC分类号： G01N23/10 , A61B6/027 , G01N23/046 , G01N2001/022 , G01N2223/419 , G01N2223/423 , G01N2223/637 , G01N2223/639 , G01V5/00
摘要： Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method; acquiring the physical attributes of each liquid article from the CT image; and determining whether there are drugs concealed in the inspected liquid article based on the difference between the acquired physical attributes and reference physical attributes of the inspected liquid article. The CT scanning can be implemented by a normal CT scanning technique, or a spiral CT scanning technique. In the normal CT scanning technique, the scan position can be preset, or set by the operator with a DR image, or set by automatic analysis of the DR image.
摘要翻译：公开了一种用于双能CT成像的液体物品的安全检查方法和装置。该方法包括以下步骤：通过CT扫描获得包括待检查的液体物品的物理属性的一个或多个CT图像和双能量重建方法; 从CT图像获取每个液体物品的物理属性; 并且基于被检查的液体制品的所获取的物理属性和参考物理属性之间的差异来确定在被检查的液体制品中是否存在隐藏的药物。 CT扫描可以通过正常的CT扫描技术或螺旋CT扫描技术来实现。在正常的CT扫描技术中，扫描位置可以由操作员预先设置，或者通过DR图像设置，或者通过DR图像的自动分析设置。

73. 发明授权

US07881424B2 Method for calibrating dual-energy CT system and method of image reconstruction 有权
标题翻译：校准双能CT系统的方法和图像重建方法
公开(公告)号：US07881424B2
公开(公告)日：2011-02-01
申请号：US12075463
申请日：2008-03-11
申请人： Li Zhang , Zhiqiang Chen , Gnowei Zhang , Jianping Cheng , Yuanjing Li , Yinong Liu , Yuxiang Xing , Ziran Zhao , Yongshun Xiao
发明人： Li Zhang , Zhiqiang Chen , Gnowei Zhang , Jianping Cheng , Yuanjing Li , Yinong Liu , Yuxiang Xing , Ziran Zhao , Yongshun Xiao
IPC分类号： G01N23/00
CPC分类号： G01T7/005 , G01T1/1648
摘要： A method for calibrating a dual-energy CT system and an image reconstruction method are disclosed to calculate images of atomic number and density of a scanned object as well as its attenuation coefficient images at any energy level. The present invention removes the effect from a cupping artifact due to X-ray beam hardening. The method for calibrating a dual-energy CT system is provided comprising steps of selecting at least two different materials, detecting penetrative rays from dual-energy rays penetrating said at least two different materials under different combinations of thickness to acquire projection values, and creating a lookup table in a form of correspondence between said different combinations of thickness and said projection values. The image reconstruction method is provided comprising steps of scanning an object with dual-energy rays to acquire dual-energy projection values, calculating projection values of base material coefficients corresponding to said dual-energy projection values based on a pre-created lookup table, and reconstructing an image of base material coefficient distribution based on said projection values of base material coefficients. In this way, images of atomic number and density of an object as well as its attenuation coefficient images can be calculated from the images of the distribution of base material coefficients. Compared with the prior art technique, the method proposed in the present invention has advantages of simple calibration procedure, high calculation precision and invulnerability to X-ray beam hardening.
摘要翻译：公开了用于校准双能量CT系统和图像重建方法的方法，以计算被扫描物体的原子序数和密度以及其在任何能级的衰减系数图像的图像。本发明消除了由于X射线束硬化引起的拔罐伪影的影响。提供了一种用于校准双能量CT系统的方法，包括以下步骤：选择至少两种不同的材料，从不同厚度的组合穿透所述至少两种不同材料的双能量射线检测穿透射线，以获得投影值，以所述不同的厚度组合和所述投影值之间的对应形式的查找表。提供了图像重建方法，包括以下步骤：用双能量射线扫描物体以获取双能量投影值，基于预先创建的查找表计算与所述双能量投影值相对应的基材系数的投影值，以及基于所述基材系数的投影值重构基材系数分布的图像。以这种方式，可以从基材系数分布的图像中计算出物体的原子数和密度以及衰减系数图像的图像。与现有技术相比，本发明提出的方法具有校准过程简单，计算精度高，X射线束硬化无效的优点。

74. 发明授权

US07508918B2 Collimator for adjusting X-ray beam 有权
标题翻译：用于调整X射线束的准直仪
公开(公告)号：US07508918B2
公开(公告)日：2009-03-24
申请号：US11525692
申请日：2006-09-22
申请人： Yinong Liu , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Yulan Li , Xilei Luo , Li Zhang , Ziran Zhao , Bin Sang , Hailin Wang
发明人： Yinong Liu , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Yulan Li , Xilei Luo , Li Zhang , Ziran Zhao , Bin Sang , Hailin Wang
IPC分类号： G21K1/04
CPC分类号： G21K1/04
摘要： A collimator for adjusting an X-ray beam includes: an up-and-down adjustment mechanism; a left-and-right adjustment mechanism, a supporting member; and an adjusting plate connected with the supporting member. The up-and-down adjustment mechanism comprises first rotating nuts, up-and-down moving leading screws threadedly connected with the first rotating nuts, and upper and lower sliding stops located in the supporting member. Each of the leading screws is connected with the upper and lower sliding stops to drive the upper and lower sliding stops, respectively, to vertically move. The left-and-right adjustment mechanism comprises second rotating nuts, horizontally moving leading screws connected with second rotating nuts, and left and right sliding stops located in the supporting member. Each of the horizontally moving leading screws are connected with the left and right sliding stops to drive the left and right sliding stops, respectively, to horizontally move.
摘要翻译：用于调整X射线束的准直器包括：上下调节机构; 左右调节机构，支撑构件; 以及与支撑构件连接的调节板。上下调节机构包括第一旋转螺母，与第一旋转螺母螺纹连接的上下移动的引导螺钉，以及位于支撑构件中的上下滑动止动件。每个前导螺钉与上下滑动止动件连接以分别驱动上下滑动止动件垂直移动。左右调节机构包括第二旋转螺母，与第二旋转螺母连接的水平移动的导螺杆，以及位于支撑构件中的左右滑动止动件。每个水平移动的前导螺钉与左右滑动止动件分别连接以驱动左右滑动止动件水平移动。

75. 发明申请

US20080310598A1 Method for calibrating dual-energy CT system and method of image reconstruction 有权
标题翻译：校准双能CT系统的方法和图像重建方法
公开(公告)号：US20080310598A1
公开(公告)日：2008-12-18
申请号：US12075463
申请日：2008-03-11
申请人： Li Zhang , Zhiqiang Chen , Guowei Zhang , Jianping Cheng , Yuanjing Li , Yinong Liu , Yuxiang Xing , Ziran Zhao , Yongshun Xiao
发明人： Li Zhang , Zhiqiang Chen , Guowei Zhang , Jianping Cheng , Yuanjing Li , Yinong Liu , Yuxiang Xing , Ziran Zhao , Yongshun Xiao
IPC分类号： G01D18/00 , G06K9/00
CPC分类号： G01T7/005 , G01T1/1648
摘要： A method for calibrating a dual-energy CT system and an image reconstruction method are disclosed to calculate images of atomic number and density of a scanned object as well as its attenuation coefficient images at any energy level. The present invention removes the effect from a cupping artifact due to X-ray beam hardening. The method for calibrating a dual-energy CT system is provided comprising steps of selecting at least two different materials, detecting penetrative rays from dual-energy rays penetrating said at least two different materials under different combinations of thickness to acquire projection values, and creating a lookup table in a form of correspondence between said different combinations of thickness and said projection values. The image reconstruction method is provided comprising steps of scanning an object with dual-energy rays to acquire dual-energy projection values, calculating projection values of base material coefficients corresponding to said dual-energy projection values based on a pre-created lookup table, and reconstructing an image of base material coefficient distribution based on said projection values of base material coefficients. In this way, images of atomic number and density of an object as well as its attenuation coefficient images can be calculated from the images of the distribution of base material coefficients. Compared with the prior art technique, the method proposed in the present invention has advantages of simple calibration procedure, high calculation precision and invulnerability to X-ray beam hardening.
摘要翻译：公开了用于校准双能量CT系统和图像重建方法的方法，以计算被扫描物体的原子序数和密度以及其在任何能级的衰减系数图像的图像。本发明消除了由于X射线束硬化引起的拔罐伪影的影响。提供了一种用于校准双能量CT系统的方法，包括以下步骤：选择至少两种不同的材料，从不同厚度的组合穿透所述至少两种不同材料的双能量射线检测穿透射线，以获得投影值，以所述不同的厚度组合和所述投影值之间的对应形式的查找表。提供了图像重建方法，包括以下步骤：用双能量射线扫描物体以获取双能量投影值，基于预先创建的查找表计算与所述双能量投影值相对应的基材系数的投影值，以及基于所述基材系数的投影值重构基材系数分布的图像。以这种方式，可以从基材系数分布的图像中计算出物体的原子数和密度以及衰减系数图像的图像。与现有技术相比，本发明提出的方法具有校准过程简单，计算精度高，X射线束硬化无效的优点。

76. 发明申请

US20070075073A1 Shielding door device for radiation inspection system 有权
标题翻译：用于辐射检测系统的屏蔽门装置
公开(公告)号：US20070075073A1
公开(公告)日：2007-04-05
申请号：US11523779
申请日：2006-09-19
申请人： Zhiqiang Chen , Yuanjing Li , Yinong Liu , Haifeng Hu , Wanlong Wu , Yulan Li , Xilei Luo , Li Zhang , Ziran Zhao , Bin Sang , Hailin Wang
发明人： Zhiqiang Chen , Yuanjing Li , Yinong Liu , Haifeng Hu , Wanlong Wu , Yulan Li , Xilei Luo , Li Zhang , Ziran Zhao , Bin Sang , Hailin Wang
IPC分类号： H05B6/76
CPC分类号： E06B5/18 , E06B3/42 , G21F7/005 , G21Y2002/207 , G21Y2002/501 , G21Y2004/30
摘要： The present invention relates to a radiation inspection system discloses a shielding door device for a radiation inspection system, comprising a door body, two guides located on two opposite sides of the door body, a rack, a gear and a motor. The two guides are fixed on an upper surface of a frame and the door body is movably connected to the two guides via bearings. The rack is fixed on a bottom of the door body and meshed with the gear. The gear is coupled with a shaft of the motor fixed on a lower surface of the frame. With the above configuration, the present invention is advantageous in automatic and complete shielding of the radiation inspection system without interference. In addition the shielding door can be controlled intelligently, so that accidental radiation leakage can be prevented.
摘要翻译：辐射检查系统技术领域本发明涉及一种辐射检查系统，该辐射检查系统公开了一种用于辐射检查系统的屏蔽门装置，包括门体，位于门体两侧的两个导轨，齿条，齿轮和马达。两个引导件固定在框架的上表面上，门体通过轴承可移动地连接到两个引导件。机架固定在门体的底部并与齿轮啮合。齿轮与固定在框架的下表面上的马达的轴联接。利用上述结构，本发明在辐射检测系统的自动完全屏蔽和无干扰的情况下是有利的。此外，可以智能地控制屏蔽门，从而可以防止意外的辐射泄漏。

77. 发明申请

US20060291742A1 Method and apparatus for enhancing image acquired by radiographic system 有权
标题翻译：用于增强由放射摄影系统获取的图像的方法和装置
公开(公告)号：US20060291742A1
公开(公告)日：2006-12-28
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 , G06K9/00
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）的和乘以最大值A最大值来产生所得到的图像。与现有技术相比，本发明的方法具有图像信息增强的快速处理速度和简单的算法，图像清晰，消除了图像中的噪声，并且满足了对扫描图像中的暗区域的对比度相对更加增强的要求。

78. 发明授权

US08873042B2 Method for automatically calibrating a Raman spectrum detection system and Raman spectrum detection system 有权
标题翻译：自动校准拉曼光谱检测系统和拉曼光谱检测系统的方法
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。

79. 发明申请

US20130162989A1 Method for Automatically Calibrating a Raman Spectrum Detection System and Raman Spectrum Detection System 有权
标题翻译：自动校准拉曼光谱检测系统和拉曼光谱检测系统的方法
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。

80. 发明授权

US07855352B2 Shielding door device for radiation inspection system 有权
标题翻译：用于辐射检测系统的屏蔽门装置
公开(公告)号：US07855352B2
公开(公告)日：2010-12-21
申请号：US11523779
申请日：2006-09-19
申请人： Zhiqiang Chen , Yuanjing Li , Yinong Liu , Haifeng Hu , Wanlong Wu , Yulan Li , Xilei Luo , Li Zhang , Ziran Zhao , Bin Sang , Hailin Wang
发明人： Zhiqiang Chen , Yuanjing Li , Yinong Liu , Haifeng Hu , Wanlong Wu , Yulan Li , Xilei Luo , Li Zhang , Ziran Zhao , Bin Sang , Hailin Wang
IPC分类号： H05B6/64
CPC分类号： E06B5/18 , E06B3/42 , G21F7/005 , G21Y2002/207 , G21Y2002/501 , G21Y2004/30
摘要： A radiation inspection system includes a shielding door device for a radiation inspection system, comprising a door body, two guides located on two opposite sides of the door body, a rack, a gear and a motor. The two guides are fixed on an upper surface of a frame and the door body is movably connected to the two guides via bearings. The rack is fixed on a bottom of the door body and meshed with the gear. The gear is coupled with a shaft of the motor fixed on a lower surface of the frame. This configuration is advantageous in automatic and complete shielding of the radiation inspection system without interference. In addition the shielding door can be controlled intelligently, so that accidental radiation leakage can be prevented.
摘要翻译：辐射检查系统包括用于辐射检查系统的屏蔽门装置，包括门体，位于门体的两个相对侧上的两个引导件，齿条，齿轮和马达。两个引导件固定在框架的上表面上，门体通过轴承可移动地连接到两个引导件。机架固定在门体的底部并与齿轮啮合。齿轮与固定在框架的下表面上的马达的轴联接。这种配置在辐射检测系统的自动完全屏蔽中不受干扰是有利的。此外，可以智能地控制屏蔽门，从而可以防止意外的辐射泄漏。

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