公开(公告)号：US20090021739A1

公开(公告)日：2009-01-22

申请号：US12175033

申请日：2008-07-17

申请人： Kazuhiro TSUJITA ,  Hiroshi SUNAGAWA ,  Katsuya KIKUCHI ,  Tetsuya KAWANISHI

发明人： Kazuhiro TSUJITA ,  Hiroshi SUNAGAWA ,  Katsuya KIKUCHI ,  Tetsuya KAWANISHI

IPC分类号： G01N21/25

CPC分类号： G01J3/51 ,  A61B1/00163 ,  A61B1/00186 ,  A61B1/043 ,  A61B1/063 ,  A61B1/0638 ,  A61B1/0669 ,  G01J3/36 ,  G01J3/513 ,  H04N5/2256 ,  H04N5/33 ,  H04N9/045 ,  H04N9/07 ,  H04N9/09 ,  H04N2209/043 ,  H04N2209/044 ,  H04N2209/045

摘要： An imaging apparatus includes a light source unit that selectively outputs white light and light in a different wavelength band to an observation target, an imaging unit including an imaging device, and a spectral image formation circuit that generates a spectral image signal for a specified wavelength by an operation using an image signal based on an output from the imaging unit and predetermined matrix data. The imaging unit selectively obtains an image of the observation target for each of first, second and third light components in a visible light region and an image for each of at least fourth and fifth light components in a near-infrared region. Further, the imaging unit includes first spectral devices that make only the first and fourth light components enter first pixels of the imaging device and second spectral devices that make only the second and fifth light components enter second pixels thereof.

摘要翻译： 一种成像设备包括：光源单元，其选择性地将白光和不同波长带的光输出到观察对象;成像单元，包括成像装置;以及光谱图像形成电路，其通过以下方式产生特定波长的光谱图像信号 使用基于来自成像单元的输出的图像信号和预定矩阵数据的操作。 成像单元在近红外区域中选择性地获得可见光区域中的第一，第二和第三光分量中的每一个的观察目标图像和用于至少第四和第五光分量中的每一个的图像。 此外，成像单元包括仅使第一和第四光分量进入成像装置的第一像素的第一光谱装置和仅使第二和第五光分量进入其第二像素的第二光谱装置。

公开(公告)号：US20100054576A1

公开(公告)日：2010-03-04

申请号：US12547307

申请日：2009-08-25

申请人： Kazuhiro TSUJITA

发明人： Kazuhiro TSUJITA

IPC分类号： G06K9/00

CPC分类号： G06K9/2018 ,  A61B1/00009 ,  A61B1/0638 ,  G06K2009/00932

摘要： The image quality of fluorescent images of blood vessels obtained by imaging blood vessels emitting fluorescence is improved. Living tissue within a body cavity is imaged by an endoscope while fluorescent pigments within blood vessels are emitting fluorescence due to irradiation of excitation light. At this time, a standard observation image obtained by imaging the same portion of the body cavity while white light is being irradiated, and a fluorescent image obtained by imaging while the excitation light is being irradiated are obtained. A plurality of spectral images having different wavelength ranges are generated. The depth position of blood vessels within a region of interest are judged by a depth position judging unit. Thereafter, an image processing unit administers an image process using image processing conditions corresponding to the depth position of the blood vessels, and a processed image is displayed by a display device.

摘要翻译： 提高了通过对发射荧光的血管进行成像而获得的血管的荧光图像的图像质量。 体内的活体组织由内窥镜成像，而血管内的荧光颜料由于激发光的照射而发出荧光。 此时，获得通过在照射白光的同时对体腔的相同部分进行成像获得的标准观察图像，并且获得通过在照射激发光时成像而获得的荧光图像。 产生具有不同波长范围的多个光谱图像。 通过深度位置判断单元来判断感兴趣区域内的血管的深度位置。 此后，图像处理单元使用与血管的深度位置对应的图像处理条件来管理图像处理，并且通过显示装置显示处理图像。

公开(公告)号：US20140350402A1

公开(公告)日：2014-11-27

申请号：US14457921

申请日：2014-08-12

申请人： Kazuhiro HIROTA ,  Kazuhiro TSUJITA

发明人： Kazuhiro HIROTA ,  Kazuhiro TSUJITA

IPC分类号： A61B5/00 ,  A61B8/00

CPC分类号： A61B5/0095 ,  A61B8/4416 ,  A61B8/463

摘要： A photoacoustic imaging method is provided that can prevent the surface of the subject from appearing in an image when a part to be observed at a position deeper than the surface of the subject is imaged. The photoacoustic imaging device includes a unit for outputting pulsed light toward the subject, and generating photoacoustic data by detecting photoacoustic waves emitted from the subject exposed to the light. The photoacoustic imaging device also includes a region detection unit that detects a near-surface region of the subject based on the photoacoustic wave detection signals, and a correcting unit that attenuates (which encompasses removing) information of the near-surface region found by the region detection unit when the part to be observed is displayed.

摘要翻译： 提供了一种光声成像方法，当在比被摄体表面更深的位置成像时，可以防止被摄体的表面出现在图像中。 光声成像装置包括用于向对象输出脉冲光的单元，并且通过检测从暴露于光的对象发射的光声波来产生光声数据。 光声成像装置还包括：区域检测单元，其基于光声波检测信号检测被检体的近表面区域;以及校正单元，其对由该区域发现的近表面区域的信息进行衰减（包括去除） 显示要观察的部分时的检测单元。

公开(公告)号：US20100037695A1

公开(公告)日：2010-02-18

申请号：US12540820

申请日：2009-08-13

申请人： Kazuhiro TSUJITA ,  Tadashi Kasamatsu

发明人： Kazuhiro TSUJITA ,  Tadashi Kasamatsu

IPC分类号： G01B11/24 ,  G01H17/00 ,  G01B17/06

CPC分类号： G01N21/1702 ,  A61B5/0073 ,  A61B5/0095 ,  G01N2021/1706 ,  G01N2021/1708 ,  G01N2021/4797

摘要： A photoacoustic imaging apparatus is equipped with: light generating means, for emitting measuring light; light irradiating means, for irradiating the measuring light onto a target; ultrasound detecting means, for detecting ultrasonic waves which are generated in the target portion by the irradiation of the measuring light; and tomographic image obtaining means, for obtaining a tomographic image of the target based on signals of the detected ultrasonic waves. The light generating means includes a pulse laser and light modulating means, which are employed to emit a pulse train having a plurality of pulse beams having pulse widths within a range from 1 nsec to 100 nsec as the measuring light. The tomographic image obtaining means generates processed signals by performing a correlating process between transmission signals of the pulse train and the signals of the ultrasonic waves, and obtains the tomographic image of the target based on the processed signals.

摘要翻译： 光声成像装置配备有：发光装置，用于发射测量光; 光照射装置，用于将测量光照射到目标上; 超声波检测装置，用于通过照射测量光来检测在目标部分中产生的超声波; 和断层图像获取装置，用于基于检测到的超声波的信号获得目标的断层图像。 光发生装置包括脉冲激光和光调制装置，用于发射具有脉冲宽度在1nsec至100nsec范围内的多个脉冲光束的脉冲串作为测量光。 断层图像获取装置通过执行脉冲串的发送信号和超声波的信号之间的相关处理来生成处理的信号，并且基于处理的信号获得目标的断层图像。