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    • 1. 发明授权
    • MTF measuring system, MTF measuring method, MTF measuring unit and MTF measuring program
    • MTF测量系统,MTF测量方法,MTF测量单元和MTF测量程序
    • US08077300B2
    • 2011-12-13
    • US12376600
    • 2007-08-03
    • Takashi MasudaKouki YoshidaTakaharu AokiKenichiro Waki
    • Takashi MasudaKouki YoshidaTakaharu AokiKenichiro Waki
    • G01B9/00
    • G01M11/0292
    • A MTF measuring system includes measurement result screen data indicative of an object image and an MTF curve image are generated in accordance with the object image data obtained by photographing the object and the MTF curve image data indicative of the MTF curve generated from MTF data that become an index to evaluate lens performance. The measurement result screen based on the generated measurement result screen data is displayed on a real time basis in the case of evaluation measurement operations of the lens performance. A user can grasp the necessity for a focus adjustment from the MTF curve image on the measurement result screen. If necessary, the user can adjust the focus of the object displayed together with the MTF curve image, and at the same time can evaluate the lens performance from the MTF curve image.
    • MTF测量系统包括指示对象图像的测量结果屏幕数据,并且根据通过拍摄对象获得的对象图像数据和指示从MTF数据生成的MTF曲线的MTF曲线图像数据生成MTF曲线图像 评估镜头性能的指标。 在透镜性能的评价测量操作的情况下,基于生成的测量结果画面数据的测量结果屏幕被实时显示。 用户可以从测量结果画面上的MTF曲线图像中掌握聚焦调整的必要性。 如果需要,用户可以调整与MTF曲线图像一起显示的对象的焦点,同时可以从MTF曲线图像评估镜头性能。
    • 2. 发明申请
    • MTF MEASURING SYSTEM, MTF MEASURING METHOD, MTF MEASURING UNIT AND MTF MEASURING PROGRAM
    • MTF测量系统,MTF测量方法,MTF测量单元和MTF测量程序
    • US20100177303A1
    • 2010-07-15
    • US12376600
    • 2007-08-03
    • Takashi MasudaKouki YoshidaTakaharu AokiKenichiro Waki
    • Takashi MasudaKouki YoshidaTakaharu AokiKenichiro Waki
    • G01M11/02
    • G01M11/0292
    • Measurement result screen data indicative of an object image and an MTF curve image are generated in accordance with the object image data obtained by photographing the object and the MTF curve image data indicative of the MTF curve generated from MTF data that become an index to evaluate lens performance. The measurement result screen based on the generated measurement result screen data is displayed, so that the measurement result screen indicative of the object image and the MTF curve image can be displayed on a real time basis in the case of evaluation measurement operations of the lens performance. As a result, a user grasps necessity for a focus adjustment from the MTF curve image on the measurement result screen, if necessary, adjusts focus of the object displayed together with the MTF curve image, and at the same time can evaluate the lens performance from the MTF curve image.
    • 根据通过拍摄对象获得的对象图像数据和表示从成为指标的MTF数据生成的MTF曲线的MTF曲线图像数据来生成表示对象图像和MTF曲线图像的测量结果画面数据,以评估透镜 性能。 显示基于生成的测量结果画面数据的测量结果画面,从而可以在透镜性能的评估测量操作的情况下实时显示指示对象图像和MTF曲线图像的测量结果画面 。 结果,如果需要,用户可以从测量结果画面上的MTF曲线图像中掌握聚焦调整的必要性,调整与MTF曲线图像一起显示的对象的焦点,并且同时可以评估来自 MTF曲线图像。
    • 3. 发明申请
    • OPTICAL LOW PASS FILTER AND IMAGING DEVICE USING THE SAME
    • 光学低通滤光片和成像装置
    • US20090169126A1
    • 2009-07-02
    • US12161648
    • 2007-01-16
    • Takashi MasudaMasafumi SeiMasahiko HondaHidetoshi KubotaKenichiro Waki
    • Takashi MasudaMasafumi SeiMasahiko HondaHidetoshi KubotaKenichiro Waki
    • G06K9/40
    • H04N9/045H01L27/14621H04N5/2254H04N5/23245
    • An optical low pass filter (2) is formed, for example, by a birefringent plate so as to control the light beam separation width, thereby changing the cut-off frequency according to an imaging mode. The number of pixels of an imaging element (5) is set greater than the number of pixels corresponding to the dynamic image display resolution. In a still image capturing mode, the light beam separation width is set narrower so that the resolution of the imaging element (5) can be used as it is while suppressing generation of a false color to a certain degree. On the other hand, in a dynamic image capturing mode, the light beam separation width is set wider so that a high-frequency component corresponding to an unnecessary resolution component for an output image signal can be cut off and suppression of the false color can be performed strongly as compared to the still image capturing mode.
    • 光学低通滤波器(2)例如由双折射板形成,以便控制光束分离宽度,从而根据成像模式改变截止频率。 成像元件(5)的像素数被设置为大于与动态图像显示分辨率对应的像素数。 在静止图像拍摄模式中,光束分离宽度被设定得更窄,从而可以在一定程度上抑制伪色的产生的同时可以使用成像元件(5)的分辨率。 另一方面,在动态图像拍摄模式中,将光束分离宽度设定得较宽,从而可以切断对应于输出图像信号的不必要的分辨率成分的高频分量,并且可以抑制伪色 与静止图像捕获模式相比,强烈地执行。
    • 6. 发明申请
    • IMAGE DISPLAY APPARATUS
    • 图像显示设备
    • US20110144498A1
    • 2011-06-16
    • US12958806
    • 2010-12-02
    • Kouji AndoShouichi NakauchiTakeshi SugioTakashi Masuda
    • Kouji AndoShouichi NakauchiTakeshi SugioTakashi Masuda
    • A61B8/14G09G5/00
    • A61B8/466A61B8/463A61B8/469A61B8/483G06T19/003G06T2210/41G06T2219/004G06T2219/028
    • According to one embodiment, a medical image display apparatus includes a storage unit storing data of a three-dimensional image, a slice image generating unit generating three slice images associated with three slices from the three-dimensional image, a display unit displaying the three slice images respectively in three display areas, an ROI marker generating unit generating three ROI markers to be respectively superimposed on the displayed three slice images, the three ROI markers corresponding to a single ROI, an operation unit performing operation of changing relative positions between the three slice images and the three ROI markers, and a display control unit controlling move the three slice images in the three display areas in accordance with the operation of changing the relative positions and fix the three ROI markers at center positions of the three display areas.
    • 根据一个实施例,医疗图像显示装置包括存储三维图像数据的存储单元,从三维图像生成与三个切片相关联的三个切片图像的切片图像生成单元,显示三个切片 分别在三个显示区域中的ROI标记生成单元,生成分别叠加在显示的三个图像上的三个ROI标记,与单个ROI对应的三个ROI标记,操作单元,执行改变三个切片之间的相对位置的操作 图像和三个ROI标记,以及显示控制单元,根据改变相对位置的操作,将三个ROI标记固定在三个显示区域的中心位置,控制三个显示区域中的三个切片图像。
    • 9. 发明授权
    • Imaging device
    • 成像设备
    • US07626154B2
    • 2009-12-01
    • US11560265
    • 2006-11-15
    • Masafumi SeiTakashi Masuda
    • Masafumi SeiTakashi Masuda
    • H04N5/225G02B5/30H04N9/07
    • H04N9/093H04N9/045
    • Frequency characteristics of an optical low-pass filter (2) are set in such a way that a first false color passing rate indicative of the rate of frequency components passing through a frequency component region not lower than the Nyquist frequency fa for the lowest sampling frequency fs among the sampling frequencies in the longitudinal, the lateral, and the oblique directions for each color in an image sensor (5), i.e. a frequency component region lower than one half of the Nyquist frequency fs of the sampling frequency fs of the image sensor (5), is not higher than a specified value. An output image signal is created from a pixel signal created by the image sensor (5) so that N pixel signals (N is real number of 2 or above) created by the image sensor (5) correspond to one output image signal.
    • 光学低通滤波器(2)的频率特性被设置为使得指示频率分量的速率的第一假色通过率通过不低于奈奎斯特频率fa的频率分量区域,用于最低采样频率 在图像传感器(5)中的每种颜色的纵向,横向和倾斜方向的采样频率中的fs,即低于图像传感器(5)的采样频率fs的奈奎斯特频率fs的一半的频率分量区域 (5),不高于规定值。 由图像传感器(5)创建的像素信号产生输出图像信号,使得由图像传感器(5)创建的N个像素信号(N是2或以上的实数)对应于一个输出图像信号。