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    • 1. 发明授权
    • Electronic endoscope for highlighting blood vessel
    • 电子内窥镜突出血管
    • US06956602B2
    • 2005-10-18
    • US10255079
    • 2002-09-26
    • Mitsuru HiguchiDaisuke AyameKazunori AbeShinji TakeuchiKeiichi Negishi
    • Mitsuru HiguchiDaisuke AyameKazunori AbeShinji TakeuchiKeiichi Negishi
    • A61B1/04A61B1/045H04N7/18
    • H04N7/183A61B1/00009A61B1/045A61B1/0638
    • The apparatus according to the present invention includes a level adjusting circuit that increases a gain of a G (or B) signal output from a color conversion circuit, a binarization circuit that forms a binarized image from this G signal and an edge detection circuit that extracts blood vessel position signals through edge detection based on this binarized signal. Then, the apparatus extracts RGB color signals making up a blood vessel image by using the above-described blood vessel position signals, increases the gains of these blood vessel color signals and then adds the blood vessel color signals to the color signals of an original image. This allows blood vessels to be displayed in high contrast to mucous membranes, etc. Furthermore, the apparatus can also amplify the R signal and B signal by using a signal obtained by differentiating the above-described G signal as a gain signal to highlight blood vessels.
    • 根据本发明的装置包括电平调节电路,其增加从颜色转换电路输出的G(或B)信号的增益,从该G信号形成二值化图像的二值化电路和提取 基于这种二值化信号的血管位置信号通过边缘检测。 然后,通过使用上述血管位置信号,提取构成血管图像的RGB色信号,增加这些血管颜色信号的增益,然后将血管颜色信号与原始图像的颜色信号相加 。 这允许血管与粘膜等高度显示。此外,该装置还可以通过使用通过将上述G信号作为增益信号进行微分而获得的信号来放大R信号和B信号,以突出血管 。
    • 4. 发明申请
    • Endoscope apparatus
    • 内窥镜装置
    • US20060197830A1
    • 2006-09-07
    • US11355983
    • 2006-02-17
    • Shinji TakeuchiKazunori AbeDaisuke Ayame
    • Shinji TakeuchiKazunori AbeDaisuke Ayame
    • H04N7/18A62B1/04H04N9/47
    • H04N1/60A61B1/00009A61B1/042A61B1/045A61B1/05A61B5/0084
    • In an endoscope apparatus in which a scope is connected to a processor unit in a freely attachable and detachable way, the endoscope apparatus wherein matrix calculation is conducted for RGB signals formed by using CCD, a color space conversion processing circuit is provided for forming spectral images of the arbitrarily selected wavelength range. CCD characteristics identification information including types of color filters of the CCD and spectral characteristics or scope characteristics information is stored in the ROM of the scope, a plurality of matrix data corresponding to characteristics identification information is stored in the memory of the processor unit, and matrix data corresponding to the obtained characteristics information is read from the memory, thereby forming an excellent spectral image by using data suitable for characteristics of the CCD or the scope.
    • 在以可自由拆装的方式将处理器单元连接到内窥镜的内窥镜装置中,对使用CCD形成的RGB信号进行矩阵运算的内窥镜装置,设置色彩空间变换处理电路, 的任意选择的波长范围。 包括CCD的滤色器类型和光谱特征或范围特性信息的CCD特征识别信息存储在范围的ROM中,与特征识别信息相对应的多个矩阵数据被存储在处理器单元的存储器中,矩阵 从存储器中读取与获得的特征信息对应的数据,从而通过使用适合于CCD的特性或范围的数据形成优异的光谱图像。
    • 6. 发明授权
    • Endoscope apparatus
    • 内窥镜装置
    • US07995093B2
    • 2011-08-09
    • US11355983
    • 2006-02-17
    • Shinji TakeuchiKazunori AbeDaisuke Ayame
    • Shinji TakeuchiKazunori AbeDaisuke Ayame
    • A62B1/04H04N13/00H04N3/14H04N5/76H04N5/222
    • H04N1/60A61B1/00009A61B1/042A61B1/045A61B1/05A61B5/0084
    • In an endoscope apparatus in which a scope is connected to a processor unit in a freely attachable and detachable way, the endoscope apparatus wherein matrix calculation is conducted for RGB signals formed by using CCD, a color space conversion processing circuit is provided for forming spectral images of the arbitrarily selected wavelength range. CCD characteristics identification information including types of color filters of the CCD and spectral characteristics or scope characteristics information is stored in the ROM of the scope, a plurality of matrix data corresponding to characteristics identification information is stored in the memory of the processor unit, and matrix data corresponding to the obtained characteristics information is read from the memory, thereby forming an excellent spectral image by using data suitable for characteristics of the CCD or the scope.
    • 在以可自由拆装的方式将处理器单元连接到内窥镜的内窥镜装置中,对使用CCD形成的RGB信号进行矩阵运算的内窥镜装置,设置色彩空间变换处理电路, 的任意选择的波长范围。 包括CCD的滤色器类型和光谱特征或范围特性信息的CCD特征识别信息存储在范围的ROM中,与特征识别信息相对应的多个矩阵数据被存储在处理器单元的存储器中,矩阵 从存储器中读取与获得的特征信息对应的数据,从而通过使用适合于CCD的特性或范围的数据形成优异的光谱图像。
    • 8. 发明授权
    • Endoscope apparatus
    • 内窥镜装置
    • US07850599B2
    • 2010-12-14
    • US11365861
    • 2006-03-02
    • Shinji TakeuchiKazunori AbeDaisuke AyameMitsuru Higuchi
    • Shinji TakeuchiKazunori AbeDaisuke AyameMitsuru Higuchi
    • A61B1/04
    • A61B1/05A61B5/0059
    • An endoscope apparatus comprises: an endoscope comprising an imaging device that forms a color image signal of a body to be observed; a storage portion that stores matrix data regarding a wavelength range in which a spectral image is constituted; a spectral image forming circuit that conducts matrix calculation based on the color image signals by using the matrix data of the storage portion and forms a spectral image of a selected wavelength range; and a wavelength selecting section that selects the wavelength range of the spectral image formed by the spectral image forming circuit through a continuous changeover or a step-wise changeover.
    • 内窥镜装置包括:内窥镜,其包括形成要观察的身体的彩色图像信号的摄像装置; 存储部分,其存储关于构成光谱图像的波长范围的矩阵数据; 光谱图像形成电路,其通过使用所述存储部分的矩阵数据进行基于所述彩色图像信号的矩阵计算,并形成所选择的波长范围的光谱图像; 以及波长选择部,其通过连续切换或逐步切换来选择由所述光谱图像形成电路形成的所述光谱图像的波长范围。
    • 10. 发明授权
    • Electronic endoscope for highlighting blood vessel
    • 电子内窥镜突出血管
    • US07042488B2
    • 2006-05-09
    • US10255080
    • 2002-09-26
    • Mitsuru HiguchiKeiichi NegishiDaisuke AyameKazunori AbeShinji Takeuchi
    • Mitsuru HiguchiKeiichi NegishiDaisuke AyameKazunori AbeShinji Takeuchi
    • H04N7/18
    • H04N7/183A61B1/00009A61B1/045A61B1/0638
    • In an electronic endoscope of the present invention, an edge detection circuit detects a down edge section and an up edge section of both ends of a blood vessel in a width direction based on a G signal output from an RGB color conversion circuit, an R coefficient selector and a B coefficient selector select, for example, a coefficient smaller than 1 for the detected down edge section and select, for example, a coefficient larger than 1 for the up edge section, and a multiplier multiplies an R signal and a B signal by these coefficients. As a result, both ends of the blood vessel are highlighted with a left end part expressed blackish and a right end part expressed reddish, making it possible to clearly display blood vessels in mucous membranes on a monitor. It is also possible to detect phases on a coordinate system where an R-Y signal is set on a vertical axis and a B-Y signal is set on a horizontal axis, compare these phases with reference phase θ1 of blood vessel colors and extract signals of blood vessel colors.
    • 在本发明的电子内窥镜中,边缘检测电路基于从RGB颜色转换电路输出的G信号,检测宽度方向上的血管的两端的下降部分和上缘部分,R系数 选择器和B系数选择器例如选择对于检测的下降沿部分小于1的系数,并且例如选择上升沿部分大于1的系数,并且乘法器将R信号和B信号 通过这些系数。 结果,血管的两端突出显示为左端部,表示为黑色,右端部表示为红色,使得可以在监视器上清楚地显示粘膜中的血管。 也可以检测在垂直轴上设置RY信号的坐标系上的相位,并且将BY信号设置在水平轴上,将这些相位与血管的参考相位θ1比较 颜色和提取血管颜色的信号。