CN101268931A - Pull-broom type ultra-optical spectrum tongue state capturing instrument - Google Patents

Pull-broom type ultra-optical spectrum tongue state capturing instrument Download PDF

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CN101268931A
CN101268931A CN 200810037497 CN200810037497A CN101268931A CN 101268931 A CN101268931 A CN 101268931A CN 200810037497 CN200810037497 CN 200810037497 CN 200810037497 A CN200810037497 A CN 200810037497A CN 101268931 A CN101268931 A CN 101268931A
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connected
tongue
signal processing
front end
push
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CN 200810037497
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李庆利
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华东师范大学
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The invention discloses a push-broom type hyper-spectral tongue picture collector applied to the tongue inspection in traditional Chinese medicine, which is characterized in that: an incidence lens, a slot, a collimation lens, a dispersion unit and a convergent mirror of an optical imaging system are connected into an optical path; a CCD signal output end is connected with a signal conditioner and a CCD sampling time sequence output is connected with a time sequence controller; a direct-current voltage converter and the time sequence controller are connected with a push-broom component; a bus driver is connected with a high-speed data buffer memory, a power manager is connected with the direct-current voltage converter and a PC computer is connected with the time sequence controller. The optical imaging system comprises the push-broom component which can lead the translation of the optical imaging system under the control of the time sequence controller, so as to realize the non-interlaced push-scanning of the tongue body and obtain the hyper-spectral data of the tongue body finally. The push-broom type hyper-spectral tongue picture collector can obtain the picture and the spectral data of the tongue body at the same time and provide rich tongue picture information for the tongue inspection impersonality in traditional Chinese medicine.

Description

推帚式超光谱舌象采集仪技术领域本发明涉及中医舌诊领域的一种舌象采集装置,特别是一种推帚式超光谱舌象采集仪。 Pushbroom one kind of tongue image acquisition apparatus Tongue Diagnosis relates to the art hyperspectral tongue image acquisition TECHNICAL FIELD The present invention, in particular a pushbroom hyperspectral tongue image acquisition device. 背景技术望诊是医生运用视觉观察人体神色、形态特点,作为观察人体健康与否的信息,是中医学望、闻、问、切"四诊"诊断的重要组成部分。 BACKGROUND hope attending doctors use visual observation of human expression, morphological characteristics, as observed human health or not information is medicine look, smell, questioning "four diagnostic" an important part of the diagnosis. 中医学的长期实践证明,人体外部和五脏六腑有着密切的关系,特别是面部、舌部和脏腑的关系更为密切,因此通过对外部的观察,可以了解整体的病变。 Long-term practice of medicine has proved that the body outside and internal organs are closely related, in particular, the relationship between the face, tongue and internal organs more closely, so by looking at the outside, we can understand the whole lesion. 舌诊是通过观察舌象的变化,了解机体生理功能和病理变化的一种诊断方法,为历代中医所重视,是辩证论治的主要依据。 Tongue Tongue by observing changes in a diagnostic method to understand the function of the body's physiological and pathological changes, as valued by the ancient Chinese, is the main basis of dialectical theory of governance. 传统的舌诊依赖于医生定性观察, 具有主观性,且重复性差,给舌诊的进一步发展带来严重的困难。 Traditional Tongue rely Dr. Yu qualitative observation, subjective, and poor reproducibility, to the further development of tongue diagnosis of serious difficulties. 现代图像处理技术已经广泛地应用于医学图像的分析之中,这为医学诊断提供了有益的帮助。 Modern image processing technology has been widely used in medical image analysis, which provides a useful help for medical diagnosis. 近十余年来,舌诊客观化的研究受到普遍重视,已有的工作已经证明图像分析技术用于舌诊客观化的可行性。 Over the past decade, the objective of the study Tongue received wide attention, more work has demonstrated that image analysis technique for the objective of the feasibility tongue. 但是这些方法都是围绕数码相机或者其他设备拍摄的RGB或灰度图像进行分析,由于图像信息有限,再加上外界光源的变化、设备的随机噪声等影响因素,使得舌图像分析算法非常复杂,而且效果并不是很理想,制约了舌诊现代化的进一步发展。 However, these methods are built around a digital camera or other equipment RGB or grayscale image analysis, image due to the limited information, coupled with the impact of factors outside of the light source changes, the random noise of the device, making the tongue image analysis algorithm is very complex, and the effect is not very satisfactory, restricted the further development of the modern tongue. 发明内容本发明的目的是针对现有技术的不足而提供的一种推帚式超光谱舌象采集仪,它使用超光谱成像技术进行舌图像的采集, 一次采集即可以同时获取舌体图谱两方面的信息,提供的舌象信息更为丰富,为中医舌诊的客观化提供了一种新的途径。 SUMMARY OF THE INVENTION The present invention is directed to deficiencies in the prior art to provide a pushbroom hyperspectral tongue image acquisition device, which uses hyperspectral imaging techniques tongue image acquisition, i.e., an acquisition can be acquired at the same time two tongue profiles information aspects of the tongue to provide much richer information, provides a new approach to the objective of TCM tongue diagnosis. 实现本发明目的的具体技术方案是:一种推帚式超光谱舌象采集仪,它包括光学成像系统、信号处理前端和主控计算机三部分。 Particular object of the present invention achieve technical solution is: A pushbroom hyperspectral tongue image acquisition apparatus, comprising an optical imaging system of three parts, a signal processing front end and the host computer. 光学成像系统包括照明光源、入射透镜、狭缝、准直镜、 色散单元、会聚镜、图像传感器(CCD)和推帚部件;信号处理前端包括直流电压变换器、时序控制器、信号调理器、信号采集器和总线驱动器;主控计算机包括电源管理、PC计算机、局部(Peripheral Component Interconnect, PC工)总线、高速数据缓存、数据记录设备和外围接口设备。 The optical imaging system includes an illumination source incident on the lens, a slit, a collimator lens, a dispersive element, a converging lens, an image sensor (CCD) and a push broom member; front end signal processor comprises a DC voltage converter, a timing controller, a signal conditioner, signal acquisition and bus driver; master computer includes a power management, PC computers, topical (peripheral Component Interconnect, PC work) bus, the cache data, the data recording device and peripheral interface devices. 光学成像系统和信号处理前端之间的连接:光学成像系统的CCD信号输出端连接到信号处理前端的信号调理器,CCD的采样时序输出连接到时序控制器,信号处理前端的直流电压变换器连接到CCD和推帚部件的电源输入端, 时序控制器连接到推帚部件。 The connection between the optical imaging system and a signal processing front end: CCD optical imaging system signal output terminal connected to the signal processing front-end signal conditioner, the sampling timing of the CCD output is connected to the timing controller, the DC voltage converter is connected to the signal processing front end CCD to the power supply input member and the push broom, broom timing controller coupled to the push member. 信号处理前端和主控计算机之间的连接:信号处理前端的总线驱动器连接到主控计算机的高速数据缓存,主控计算机的电源管理连接到信号处理前端的直流电压变换器,PC计算机连接到信号处理前端的时序控制器。 The connection between the host computer and a signal processing front end: a signal processing front-end is connected to the bus driver of the host computer cache data, power management master computer is connected to the signal processing front-end DC converter, PC computer connected to the signal processing front end timing controller. 光学成像系统的成像过程:舌体被照明光源照明,瞬时视场内的舌体条带首先成像于光路的狭缝处,再经过色散单元后,在垂直舌体条带方向按光谱色散,最后成像于CCD像面,再经过推帚部件对舌体进行逐行推扫即可以获取舌体的超光谱图像。 The optical imaging system imaging process: an illumination light source for illuminating the tongue, the tongue of the instantaneous field of view of the strip forming the slit in the first optical path, and then through the dispersion means, in the vertical direction of the strip tongue by spectral dispersion, and finally imaging the CCD image plane, then through pushbroom tongue member to be progressive i.e. the push-broom may acquire hyperspectral images of the tongue. 信号处理前端内部的连接:直流电压变换器连接到时序控制器,时序控制器分别连接到信号调理器、信号采集器和总线驱动器,控制各部件按照一定的时序进行工作。 Connecting the inner front end signal processing: the DC voltage converter is connected to the timing controller, a timing controller connected to the signal conditioner, a signal acquisition and bus driver, controls each section operates according to a certain timing. 主控计算机内部的连接:电源管理连接到PC计算机,PC计算机通过PCI总线分别与高速数据缓存、数据记录设备和外围接口设备连接。 Connecting the interior of the host computer: the power management computer connected to a PC, a PC via a PCI bus respectively cache data, the data recording apparatus and a peripheral interface device. 本发明中光学成像系统的CCD输出信号连接到信号处理前端,按照工作时序对数据进行处理后,送入主控计算机的高速数据缓存,最后存储到数据记录设备中,实现对舌体超光谱数据的高速记录;光学成像系统的推帚部件可以使光学成像系统水平移动,实现对舌体的逐行推扫,最后获取超光谱图像数据。 After the CCD output signal in the present invention, the optical imaging system is connected to the signal processing front-end to process the data in accordance with the timing data, the host computer into the cache data, the data finally stored in the recording apparatus, ultra-spectral data of the tongue high-speed recording; pushbroom components of the optical imaging system of the optical imaging system can be moved horizontally, to achieve the progressive tongue pushbroom, finally obtaining hyperspectral image data. 上述的推帚部件是步进电机等能够按照固定间距步进的部件;色散单元为光栅或棱镜或者两者的组合。 Above pushbroom member is a stepping motor capable of stepwise in accordance with a fixed pitch member; dispersive element is a prism or a grating or a combination of both. 本发明以物方推扫的形式对舌体进行推扫成像,可以同时获取舌体的图像和光谱数据,提供了更加丰富的舌象信息,为舌体区域分割、舌质与舌苔特征提取、舌裂纹提取等舌图像分析提供了一种新的方法,是中医舌诊现代化的一种新途径。 In the present invention, the push-broom object side of the tongue in the form of push-scan imaging, the image may be acquired spectral data of the tongue and while providing more extensive information tongue, the tongue is divided into regions, tongue and tongue feature extraction, tongue tongue crack extraction image analysis provides a new approach, a new way of modernization of traditional Chinese medicine tongue diagnosis. 附图说明图1为本发明结构示意图具体实施方式实施例下面根据图1给出本发明一个较好的实施例,用以说明本发明的结构特征,技术性能和功能点,而不是用来限定本发明的范围。 BRIEF DESCRIPTION OF DRAWINGS FIG. 1 shows a specific structure of the present invention by way of example a preferred embodiment of the following embodiment according to the present invention is given in FIG. 1, to illustrate the structural features of the present invention, the technical performance and feature points, and not intended to limit scope of the invention. 参阅图1,本实施例包括光学成像系统1、信号处理前端2和主控计算机3三部分。 Referring to Figure 1, the present embodiment includes an imaging optical system 3 into three parts 1, 2 the signal processing front end and the host computer. 光学成像系统1包括照明光源4、入射透镜5、狭缝6、准直镜7、 色散单元8、会聚镜9、 CCD10和推帚部件11;信号处理前端2包括直流电压变换器12、时序控制器13、信号调理器14、信号采集器15和总线驱动器16; 主控计算机3包括电源管理17、 PC计算机18、高速数据缓存19、数据记录设备20、外围接口设备21和PCI总线22。 The optical imaging system 1 includes an illumination source 4 incident on the lens 5, the slit 6, collimator lens 7, a dispersive element 8, a converging lens 9, CCD10 member 11 and the push broom; a signal processing front end 2 comprises a DC voltage converter 12, the timing control 13, signal conditioner 14, and the signal collector 15 bus driver 16; host computer 3 includes a power management 17, PC computer 18, high-speed data cache 19, the data recording device 20, the peripheral interface device 21 and PCI bus 22. 其中光学成像系统1的入射透镜5、狭缝6、准直镜7、色散单元8和会聚镜9依次成光路连接,舌体23在照明光源4的照明下,舌体条带首先成像于光路的狭缝6处,再经过色散单元8后,在垂直舌体条带方向按光谱色散,最后成像于CCD10像面,再经过推帚部件11对舌体23进行逐行推扫即可以获取舌体的超光谱图像。 Wherein the optical imaging system 1 is incident on the lens 5, the slit 6, collimator lens 7, a dispersive element 8 and the converging lens 9 successively into the optical path is connected, the tongue 23 under illumination the illumination light source 4, the tongue strip first imaging optical path the slit 6, and then passes the dispersive element 8, in the vertical direction by the strip tongue spectral dispersion, CCD10 finally imaged on an image plane, then through the tongue member 11 to push broom body 23 can be acquired progressive pushbroom tongue hyperspectral image body. 推帚部件11的电源连接到信号处理前端2的直流电压变换器12,由其提供工作电源;推帚部件11的控制端连接到信号处理前端2的时序控制器13,在时序控制器13的控制下实现对舌体23的逐行推扫; CCD10的电源连接至信号处理前端2的直流电压变换器12, CCD10输出的采样时序连接到时序控制器13,作为时序控制器13的基准;CCD10输出的数据连接到信号调理器14,经过信号采集器15和总线驱动器16按照工作时序存入高速数据缓存19; PC计算机18连接到时序控制器13,对扫描的启动、停止和扫描行数进行控制;PC计算机18按照一定的工作时序将高速数据缓存19中的数据通过PCI总线22存储到数据记录设备20,完成舌体超光谱数据的采集。 Pushbroom power supply member 11 is connected to the signal processing front end 2 of the DC voltage converter 12, supplying operating power therefrom; pushbroom control terminal member 11 is connected to the signal processing front end 2 of the timing controller 13, timing controller 13 achieved under the control of the tongue 23 is pushed progressive scan; power the CCD 10 is connected to the signal processing front end 2 of the DC voltage converter 12, the sampling timing of the CCD 10 is connected to the output timing controller 13, timing controller 13 as a reference; the CCD 10 data output connected to the signal conditioner 14, through the bus 15 and the data acquisition device driver 16 stored in the cache data 19 in accordance with the operation sequence; the PC computer 18 is connected to the timing controller 13, the scanning start, stop, and the number of scanning lines for control; the PC computer 18 according to a certain operation timing of the data 19 in the cache data memory through the PCI bus 2220 to a data recording apparatus, to complete the acquisition tongue hyperspectral data. 本实施例中,照明光源4采用普通白光照明,色散单元8使用棱镜一光栅-棱镜分光组件,狭缝6宽度为60微米,CCD10采用Nikon DS-2Mv,其象元数800X600,帧速率20帧/秒。 In this embodiment, the illumination light source 4 is ordinary white light illumination, a dispersion prism grating unit 8 - prismatic component, the slit width of 60 m 6, the CCD 10 using the Nikon DS-2Mv, which 800X600 pixel number, the frame rate of 20 /second. 运行于PC计算机18上的数据采集和分析软件主要实现以下功能:仪器定标、舌体超光谱数据采集、实时图像显示、硬件配置和控制、图像数据格式转换、智能识别和分析等。 Running on a PC 18 data acquisition and analysis software to achieve the following functions: instrument calibration, tongue hyperspectral data collection, real-time image display, hardware configuration and control, format conversion, etc. of image data, identification and analysis. 本发明可以获取舌体的超光谱图像数据,对舌体从图像和光谱两个方面进行分析,克服了普通相机采集舌象信息有限、分析算法复杂的问题,为舌体区域分割、舌质与舌苔特征提取、舌裂纹提取等舌象分析提供了一种新的方法,提高了中医舌诊的客观性和准确度。 The present invention can acquire hyperspectral image data of the tongue, the tongue of the image and spectral analysis from two aspects, overcome the common camera information acquisition tongue is limited, the problem of complex analysis algorithms, the tongue is divided into regions, and tongue feature extraction tongue, the tongue tongue cracks extraction analysis provides a new method to improve the accuracy and objectivity of tongue Diagnosis.

Claims (5)

  1. 1. 一种推帚式超光谱舌象采集仪,包括光学成像系统(1)、信号处理前端(2)和主控计算机(3),其特征在于光学成像系统(1)包括照明光源(4)、入射透镜(5)、狭缝(6)、准直镜(7)、色散单元(8)、会聚镜(9)、CCD(10)和推帚部件(11);信号处理前端(2)包括直流电压变换器(12)、时序控制器(13)、信号调理器(14)、信号采集器(15)和总线驱动器(16);主控计算机(3)包括电源管理(17)、PC计算机(18)、高速数据缓存(19)、数据记录设备(20)、外围接口设备(21)和PCI总线(22);其连接方式为:光学成像系统(1)的CCD(10)信号输出端连接到信号处理前端(2)的信号调理器(14),CCD(10)的采样时序输出连接到时序控制器(13),信号处理前端(2)的直流电压变换器(12)连接到CCD(10)和推帚部件(11)的电源输入端,时序控制器(13)连接到推帚部件(11);信号处理前端(2)的总线驱动器(16)连接到主控计算机(3)的高速数据 A pushbroom hyperspectral tongue image acquisition apparatus, including an imaging optical system (1), a signal processing front end (2) and a host computer (3), characterized in that the optical imaging system (1) includes an illumination source (4 ), entrance lens (5), a slit (6), a collimator lens (7), a dispersive element (8), a converging mirror (9), CCD (10) and the push broom member (11); a signal processing front end (2 ) comprises a DC voltage converter (12), a timing controller (13), a signal conditioner (14), the data acquisition device (15) and the bus driver (16); host computer (3) comprises a power management (17), a PC (18), a high speed data cache (19), a data recording device (20), a peripheral interface device (21) and the PCI bus (22); the connection mode: the optical imaging system (1) of the CCD (10) signal an output terminal connected to the signal processing front end (2) a signal conditioner (14), CCD (10) is connected to the output timing of a sampling timing controller (13), a signal processing front end (2) a DC voltage converter (12) power input to the CCD (10) and the push broom member (11), a timing controller (13) connected to a pushbroom member (11); a signal processing front end (2) of the bus driver (16) connected to a host computer ( 3) high-speed data 缓存(19),主控计算机(3)的电源管理(17)连接到信号处理前端(2)的直流电压变换器(12),PC计算机(18)连接到信号处理前端(2)的时序控制器(13)。 Cache (19), host computer (3) Power Management (17) is connected to the signal processing front end (2) a DC voltage converter (12), PC computer (18) connected to the signal processing front end (2) of the timing control (13).
  2. 2、 根据权利要求1所述的推帚式超光谱舌象采集仪,其特征在于所述光学成像系统(1)中的推帚部件(11)为步进电机或能够按照固定间距步进的部件,在时序控制器(13)的控制下使光学成像系统(1)平动,对舌体进行逐行推扫。 2. A hyperspectral pushbroom tongue image acquisition apparatus according to claim 1, characterized in that the optical imaging system pushbroom member (1) in (11) can be a stepping motor or a stepping a fixed pitch member, the optical imaging system under the control of the timing controller (13) (1) translation, row by row of push-broom tongue.
  3. 3、 根据权利要求1所述的推帚式超光谱舌象采集仪,其特征在于所述信号处理前端(2)中各部件连接方式为:直流电压变换器(12)连接到时序控制器(13),时序控制器(13)分别连接到信号调理器(14)、信号采集器(15) 和总线驱动器(16)。 3. The pushbroom hyperspectral tongue image acquisition apparatus according to claim 1, wherein said signal processing front end (2) for the connection of each member: a direct current voltage converter (12) connected to the timing controller ( 13), a timing controller (13) are connected to the signal conditioner (14), the data acquisition device (15) and the bus driver (16).
  4. 4、 根据权利要求1所述的推帚式超光谱舌象采集仪,其特征在于主控计算机(3)中各单元连接方式为:电源管理(17)连接到PC计算机(18), PC计算机(18)通过PCI总线(22)分别与高速数据缓存(19)、数据记录设备(20)和外围接口设备(21)连接。 4. pushbroom hyperspectral tongue image acquisition apparatus according to claim 1, characterized in that the host computer (3) for the connection of each unit: Power Management (17) is connected to a PC (18 is), a PC (18), a data recording device (20) and a peripheral interface devices (21) are respectively connected to a high-speed data cache (19) via a PCI bus (22).
  5. 5、根据权利要求1所述的推帚式超光谱舌象采集仪,其特征在于所述色散单元(8)是光栅或棱镜或者两者的组合。 5. The pushbroom hyperspectral tongue image acquisition apparatus according to claim 1, characterized in that said dispersion means (8) is a grating or a prism, or a combination of both.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893552A (en) * 2010-07-06 2010-11-24 西安电子科技大学 Hyperspectral imager and imaging method based on compressive sensing
CN102538963A (en) * 2011-12-02 2012-07-04 华东师范大学 High-sensitivity light spectrum acquisition and test system with board waveband covering visible light
US8599374B1 (en) 2012-11-15 2013-12-03 Corning Incorporated Hyperspectral imaging systems and methods for imaging a remote object

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893552A (en) * 2010-07-06 2010-11-24 西安电子科技大学 Hyperspectral imager and imaging method based on compressive sensing
CN101893552B (en) 2010-07-06 2012-06-27 西安电子科技大学 Hyperspectral imager and imaging method based on compressive sensing
CN102538963A (en) * 2011-12-02 2012-07-04 华东师范大学 High-sensitivity light spectrum acquisition and test system with board waveband covering visible light
US8599374B1 (en) 2012-11-15 2013-12-03 Corning Incorporated Hyperspectral imaging systems and methods for imaging a remote object
US9200958B2 (en) 2012-11-15 2015-12-01 Corning Incorporated Hyperspectral imaging systems and methods for imaging a remote object
US9267843B2 (en) 2012-11-15 2016-02-23 Corning Incorporated Hyperspectral imaging systems and methods for imaging a remote object
US9341514B2 (en) 2012-11-15 2016-05-17 Corning Incorporated Hyperspectral imaging systems and methods for imaging a remote object

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