公开(公告)号：US06545703B1

公开(公告)日：2003-04-08

申请号：US09344524

申请日：1999-06-25

申请人： Tadashi Takahashi ,  Kohei Iketani

发明人： Tadashi Takahashi ,  Kohei Iketani

IPC分类号： H04N718

CPC分类号： H04N5/2354 ,  H04N5/23209 ,  H04N7/183 ,  H04N2005/2255

摘要： In an electronic endoscope, a flexible scope has an image sensor provided at a distal end thereof. A video-signal processing unit, to which a proximal end of the flexible scope is connected, processes image signals read from the sensor. A light source is provided in the unit, and light, emitted from the light source, is guided through the scope and radiates from the distal end. An aperture-stop is associated with the source that regulates the radiation of light from the distal end. An aperture-stop is controlled in accordance with the luminance-signal-histogram, such that an image having a constant luminance level is reproduced in accordance with the processed image signals. When a localized halation occurs on the reproduced image, the aperture-stop is controlled such that the radiation of light from the distal end is forcibly decreased, thereby avoiding the occurrence of the localized halation.

摘要翻译： 在电子内窥镜中，柔性镜具有设置在其远端的图像传感器。 视频信号处理单元，连接柔性镜片的近端处理从传感器读取的图像信号。 在该单元中提供光源，并且从光源发射的光被引导通过示波器并从远端辐射。 孔径光阑与调节来自远端的光的辐射的源相关联。 根据亮度信号直方图控制孔径光阑，使得根据处理的图像信号再现具有恒定亮度水平的图像。 当在再现图像上发生局部晕变时，控制孔径光阑使得来自远端的光的辐射被强制地减小，由此避免局部晕倒的发生。

公开(公告)号：US08466956B2

公开(公告)日：2013-06-18

申请号：US12640080

申请日：2009-12-17

申请人： Hideo Sugimoto ,  Kohei Iketani

发明人： Hideo Sugimoto ,  Kohei Iketani

IPC分类号： A62B1/04 ,  G02B6/06 ,  A61B1/06

CPC分类号： G02B23/2484 ,  A61B1/00009 ,  A61B1/00167 ,  A61B1/00172 ,  A61B1/00186 ,  A61B1/043 ,  A61B1/0638 ,  A61B1/07 ,  A61B5/0062 ,  A61B5/0071 ,  A61B5/0084 ,  G02B21/0028 ,  G02B21/0076 ,  G02B21/008 ,  G02B26/103 ,  H04N5/2256 ,  H04N5/232 ,  H04N9/097 ,  H04N2005/2255

摘要： A scanning endoscope processor, comprising a photoelectric converter and a controller, is provided. The scanning endoscope processor controls a scanning endoscope having first and second transmitters and an actuator. The photoelectric converter receives light transmitted from the second transmitter and generates a pixel signal according to the amount of light received. The second transmitter transmits reflected light and/or fluorescence from a point within an observation area illuminated by the light emitted from a first emission end. The first transmitter emits the light as a beam from the first emission end. The actuator moves the first emission end along a spiral course. The controller adjusts at least one of a first angular velocity and a generation cycle so that the product of the first angular velocity, the generation cycle, and a first distance is within a predetermined range.

摘要翻译： 提供一种包括光电转换器和控制器的扫描内窥镜处理器。 扫描内窥镜处理器控制具有第一和第二发射器和致动器的扫描内窥镜。 光电转换器接收从第二发送器发送的光，并根据所接收的光量产生像素信号。 第二发射器从由从第一发射端发射的光照射的观察区域内的点发射反射光和/或荧光。 第一发射器作为来自第一发射端的光束发射光。 执行器沿着螺旋方向移动第一发射端。 控制器调整第一角速度和生成周期中的至少一个，使得第一角速度，产生循环和第一距离的乘积在预定范围内。

公开(公告)号：US08169466B2

公开(公告)日：2012-05-01

申请号：US12394127

申请日：2009-02-27

申请人： Kohei Iketani ,  Hideo Sugimoto

发明人： Kohei Iketani ,  Hideo Sugimoto

IPC分类号： H04N13/00

CPC分类号： H04N9/045 ,  A61B1/00172 ,  A61B1/063 ,  A61B1/0638 ,  A61B1/07 ,  A61B5/02007 ,  A61B5/1455 ,  H04N5/2256 ,  H04N5/232 ,  H04N9/097 ,  H04N2005/2255 ,  H04N2209/049

摘要： An endoscope system comprises a light source, a light sensor, a signal processor, a video-signal generator, and a switcher. The light source emits red light including a first wavelength, green light including a second wavelength, and blue light including a third wavelength. The light sensor receives the light of the light source. The signal processor obtains a red signal based on the red light, a green signal based on the green light, and a blue signal based on the blue light. The video-signal generator generates video signal based on the red, green, and blue signals. The switcher switches between a first switching state and a second switching state. The red, green, and blue signals are output to the video-signal generator in the first switching state. The green and blue signals are output to the video-signal generator in the second switching state.

摘要翻译： 内窥镜系统包括光源，光传感器，信号处理器，视频信号发生器和切换器。 光源发射包括第一波长的红光，包括第二波长的绿光和包括第三波长的蓝光。 光传感器接收光源的光。 信号处理器基于红光，基于绿色光的绿色信号和基于蓝色光的蓝色信号获得红色信号。 视频信号发生器基于红色，绿色和蓝色信号产生视频信号。 切换器在第一切换状态和第二切换状态之间切换。 红色，绿色和蓝色信号在第一切换状态下输出到视频信号发生器。 绿色和蓝色信号在第二切换状态下输出到视频信号发生器。

公开(公告)号：US07725013B2

公开(公告)日：2010-05-25

申请号：US11616100

申请日：2006-12-26

申请人： Hideo Sugimoto ,  Kohei Iketani

发明人： Hideo Sugimoto ,  Kohei Iketani

IPC分类号： A61B1/04

CPC分类号： A61B1/04 ,  A61B1/0646 ,  A61B1/0669 ,  G02B5/005 ,  G02B23/2484 ,  H04N2005/2255

摘要： An electronic endoscope has a video-scope with an image sensor, a light source that emits illuminating-light to illuminate an object, an image sensor driver, a luminance detector, one rotary shutter, and a brightness adjuster. The luminance detector detects a luminance of an object image on the basis of image-pixel signals read from the image sensor. The rotary shutter has a light-transmitting portion that transmits the illuminating light, and a shield portion that blocks the illuminating light. The brightness adjuster controls the rotary shutter to adjust an irradiation-interval of the illuminating-light in accordance with a charge accumulation interval. The brightness adjuster shifts a rotation-phase of the rotary shutter by changing a rotation-speed on the basis of the detected luminance, so as to maintain a brightness of the object image at a proper brightness.

摘要翻译： 电子内窥镜具有图像传感器的视频范围，发射照明光的光源照射物体，图像传感器驱动器，亮度检测器，一个旋转快门和亮度调节器。 亮度检测器基于从图像传感器读取的图像像素信号来检测对象图像的亮度。 旋转快门具有传递照明光的透光部分和阻挡照明光的屏蔽部分。 亮度调节器控制旋转快门以根据电荷累积间隔调节照明光的照射间隔。 亮度调节器基于检测到的亮度改变旋转速度来移动旋转快门的旋转相位，以将目标图像的亮度保持在适当的亮度。

公开(公告)号：US20060256191A1

公开(公告)日：2006-11-16

申请号：US11383367

申请日：2006-05-15

申请人： Kohei Iketani ,  Mitsufumi Fukuyama

发明人： Kohei Iketani ,  Mitsufumi Fukuyama

IPC分类号： H04N7/18 ,  A62B1/04 ,  H04N9/47

CPC分类号： A61B1/045 ,  A61B1/0005

摘要： An electronic endoscope system according to the present invention has a video-scope that has an image sensor, and a light source unit that is capable of selectively emitting normal-light and excitation-light. The electronic endoscope system further has a signal processor and a display processor. The signal processor generates normal color image signals, which corresponds to the normal color image, on the basis of the normal image-pixel signals. Similarly, the signal processor generates auto-fluorescent image signals corresponding to the auto-fluorescent image on the basis of the auto-fluorescent image-pixel signals, and generates diagnosis color image signals corresponding to the diagnosis color image on the basis of the normal color image signals and the auto-fluorescent image signals. The display processor processes the normal color image signals, the auto-fluorescent image signals, and the diagnosis color image signals so as simultaneously to display a normal color movie-image, an auto-fluorescent movie-image, and a diagnosis color movie-image.

摘要翻译： 根据本发明的电子内窥镜系统具有能够选择性地发出普通光和激发光的图像传感器和光源单元的视频范围。 电子内窥镜系统还具有信号处理器和显示处理器。 信号处理器基于正常图像像素信号产生对应于正常彩色图像的正常彩色图像信号。 类似地，信号处理器基于自动荧光图像像素信号产生与自动荧光图像相对应的自动荧光图像信号，并且基于正常颜色生成与诊断彩色图像相对应的诊断彩色图像信号 图像信号和自动荧光图像信号。 显示处理器处理正常彩色图像信号，自动荧光图像信号和诊断彩色图像信号，以便同时显示正常彩色电影图像，自动荧光电影图像和诊断彩色电影图像 。

公开(公告)号：US20060241498A1

公开(公告)日：2006-10-26

申请号：US11352228

申请日：2006-02-13

申请人： Kohei Iketani ,  Mitsufumi Fukuyama

发明人： Kohei Iketani ,  Mitsufumi Fukuyama

IPC分类号： A61B6/00

CPC分类号： G01J3/02 ,  A61B1/00009 ,  A61B1/00039 ,  A61B1/043 ,  A61B1/045 ,  A61B1/0638 ,  A61B5/0071 ,  A61B5/0084 ,  G01J3/0232 ,  G01J3/0264 ,  G01J3/4406 ,  G01J2003/2866 ,  G01N21/6456 ,  G01N21/6486 ,  G01N2021/6423

摘要： An image data processor comprising an image signal receiver, a histogram generator, a gain calculator, an amplifier, and a signal feeder, is provided. The image signal receiver receives an autofluorescence image signal. The autofluorescence image signal is generated by an imaging device when the imaging device captures an autofluorescence image. The histogram generator generates a histogram of luminance in the autofluorescence image based on the autofluorescence image signal. The gain calculator calculates a gain based on the histogram and a predetermined luminance value. The amplifier amplifies the autofluorescence image signal by the gain. And then the amplifier generates an amplified autofluorescence image signal. The signal feeder outputs the amplified autofluorescence image signal to a monitor. The monitor displays an amplified autofluorescence image.

摘要翻译： 提供了包括图像信号接收器，直方图发生器，增益计算器，放大器和信号馈送器的图像数据处理器。 图像信号接收器接收自发荧光图像信号。 当成像装置捕获自发荧光图像时，自动荧光图像信号由成像装置产生。 直方图发生器基于自发荧光图像信号产生自发荧光图像中的亮度直方图。 增益计算器基于直方图和预定的亮度值来计算增益。 放大器通过增益放大自发荧光图像信号。 然后放大器产生放大的自发荧光图像信号。 信号馈线将放大的自发荧光图像信号输出到监视器。 显示器显示放大的自发荧光图像。

公开(公告)号：US08233038B2

公开(公告)日：2012-07-31

申请号：US12017406

申请日：2008-01-22

申请人： Kohei Iketani ,  Go Matsui

发明人： Kohei Iketani ,  Go Matsui

IPC分类号： A62B1/04

CPC分类号： A61B1/05 ,  A61B1/0638 ,  G06T5/009 ,  G06T5/50 ,  G06T2207/10068 ,  H04N9/045 ,  H04N2005/2255

摘要： An image-signal processing unit comprising a first and second luminance calculation block, a correction-value calculation block, and a subtraction block, is provided. The first luminance calculation block calculates a first luminance corresponding to the sum of a plurality of primary color light components. Each of them is multiplied by a coefficient from a first coefficient combination. The second luminance calculation block calculates a second luminance corresponding to the sum of a plurality of the primary color light components. Each of them is multiplied by a coefficient from a second coefficient combination. The correction-value calculation block calculates a luminance correction value according to the second luminance if the first luminance is greater than a threshold value. The subtraction block calculates a corrected luminance by subtracting the luminance correction value from the first luminance.

摘要翻译： 提供了包括第一和第二亮度计算块，校正值计算块和减法块的图像信号处理单元。 第一亮度计算块计算与多个原色光分量的和相对应的第一亮度。 它们中的每一个乘以来自第一系数组合的系数。 第二亮度计算块计算对应于多个原色光分量之和的第二亮度。 它们中的每一个乘以来自第二系数组合的系数。 如果第一亮度大于阈值，则校正值计算块根据第二亮度计算亮度校正值。 减法块通过从第一亮度减去亮度校正值来计算校正亮度。

公开(公告)号：US07877135B2

公开(公告)日：2011-01-25

申请号：US11352228

申请日：2006-02-13

申请人： Kohei Iketani ,  Mitsufumi Fukuyama

发明人： Kohei Iketani ,  Mitsufumi Fukuyama

IPC分类号： A61B6/00

CPC分类号： G01J3/02 ,  A61B1/00009 ,  A61B1/00039 ,  A61B1/043 ,  A61B1/045 ,  A61B1/0638 ,  A61B5/0071 ,  A61B5/0084 ,  G01J3/0232 ,  G01J3/0264 ,  G01J3/4406 ,  G01J2003/2866 ,  G01N21/6456 ,  G01N21/6486 ,  G01N2021/6423

摘要： An image data processor comprising an image signal receiver, a histogram generator, a gain calculator, an amplifier, and a signal feeder, is provided. The image signal receiver receives an autofluorescence image signal. The autofluorescence image signal is generated by an imaging device when the imaging device captures an autofluorescence image. The histogram generator generates a histogram of luminance in the autofluorescence image based on the autofluorescence image signal. The gain calculator calculates a gain based on the histogram and a predetermined luminance value. The amplifier amplifies the autofluorescence image signal by the gain. And then the amplifier generates an amplified autofluorescence image signal. The signal feeder outputs the amplified autofluorescence image signal to a monitor. The monitor displays an amplified autofluorescence image.

摘要翻译： 提供了包括图像信号接收器，直方图发生器，增益计算器，放大器和信号馈送器的图像数据处理器。 图像信号接收器接收自发荧光图像信号。 当成像装置捕获自发荧光图像时，自动荧光图像信号由成像装置产生。 直方图发生器基于自发荧光图像信号产生自发荧光图像中的亮度直方图。 增益计算器基于直方图和预定的亮度值来计算增益。 放大器通过增益放大自发荧光图像信号。 然后放大器产生放大的自发荧光图像信号。 信号馈线将放大的自发荧光图像信号输出到监视器。 显示器显示放大的自发荧光图像。

公开(公告)号：US20090219384A1

公开(公告)日：2009-09-03

申请号：US12394127

申请日：2009-02-27

申请人： Kohei Iketani ,  Hideo Sugimoto

发明人： Kohei Iketani ,  Hideo Sugimoto

IPC分类号： H04N13/00

CPC分类号： H04N9/045 ,  A61B1/00172 ,  A61B1/063 ,  A61B1/0638 ,  A61B1/07 ,  A61B5/02007 ,  A61B5/1455 ,  H04N5/2256 ,  H04N5/232 ,  H04N9/097 ,  H04N2005/2255 ,  H04N2209/049

摘要： An endoscope system comprises a light source, a light sensor, a signal processor, a video-signal generator, and a switcher. The light source emits red light including a first wavelength, green light including a second wavelength, and blue light including a third wavelength. The light sensor receives the light of the light source. The signal processor obtains a red signal based on the red light, a green signal based on the green light, and a blue signal based on the blue light. The video-signal generator generates video signal based on the red, green, and blue signals. The switcher switches between a first switching state and a second switching state. The red, green, and blue signals are output to the video-signal generator in the first switching state. The green and blue signals are output to the video-signal generator in the second switching state.

摘要翻译： 内窥镜系统包括光源，光传感器，信号处理器，视频信号发生器和切换器。 光源发射包括第一波长的红光，包括第二波长的绿光和包括第三波长的蓝光。 光传感器接收光源的光。 信号处理器基于红光，基于绿色光的绿色信号和基于蓝色光的蓝色信号获得红色信号。 视频信号发生器基于红色，绿色和蓝色信号产生视频信号。 切换器在第一切换状态和第二切换状态之间切换。 红色，绿色和蓝色信号在第一切换状态下输出到视频信号发生器。 绿色和蓝色信号在第二切换状态下被输出到视频信号发生器。

公开(公告)号：US07333189B2

公开(公告)日：2008-02-19

申请号：US10346711

申请日：2003-01-17

申请人： Stephen F. Fulghum, Jr. ,  Koichi Furusawa ,  Kohei Iketani

发明人： Stephen F. Fulghum, Jr. ,  Koichi Furusawa ,  Kohei Iketani

IPC分类号： G01N21/00

CPC分类号： G01N21/645 ,  A61B5/0071 ,  A61B5/0075 ,  A61B5/0084 ,  A61B5/0086 ,  A61B5/7257 ,  G01N15/0205 ,  G01N15/0227 ,  G01N21/31 ,  G01N21/49 ,  G01N2021/6417 ,  G01N2021/6471

摘要： The present invention provides systems and methods for the determination of the physical characteristics of a structured superficial layer of material using light scattering spectroscopy. The light scattering spectroscopy system comprises optical probes that can be used with existing endoscopes without modification to the endoscope itself. The system uses a combination of optical and computational methods to detect physical characteristics such as the size distribution of cell nuclei in epithelial layers of organs. The light scattering spectroscopy system can be used alone, or in conjunction with other techniques, such as fluorescence spectroscopy and reflected light spectroscopy.

摘要翻译： 本发明提供了使用光散射光谱法确定结构化表层材料的物理特性的系统和方法。 光散射光谱系统包括可以与现有内窥镜一起使用而不改变内窥镜本身的光学探针。 该系统使用光学和计算方法的组合来检测身体特征，例如器官上皮层中细胞核的大小分布。 光散射光谱系统可以单独使用，也可以与其他技术结合使用，如荧光光谱和反射光谱。