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    • 2. 发明授权
    • Photoelectric conversion device's shading correction circuit
    • 光电转换装置的阴影校正电路
    • US5398119A
    • 1995-03-14
    • US691870
    • 1991-04-26
    • Kiyosuke SuzukiHideki Wanami
    • Kiyosuke SuzukiHideki Wanami
    • G06T1/00H04N1/401H04N1/40
    • H04N1/401
    • A shading correction circuit for correcting the shading distortion of a photoelectric conversion device including a plurality of arrayed photocells, has a memory for storing data on the output characteristics of each pixel, represented by image signals having a given level outputted by the photoelectric conversion device a plurality of image pickup times. Thereby, the data on the output characteristics of each pixel stored in the storing means is read by desirably switching the order of the image pickup for each pixel to provide shading correction data. Noise or irregularities which readily appear on the output picture after shading correction are reduced.
    • 一种用于校正包括多个阵列光电管的光电转换装置的遮蔽失真的阴影校正电路,具有用于存储关于每个像素的输出特性的数据的存储器,由具有由光电转换装置a输出的给定电平的图像信号表示 多个图像拾取时间。 从而,通过期望地切换每个像素的图像拾取的顺序来读取存储在存储装置中的每个像素的输出特性的数据,以提供阴影校正数据。 阴影校正后容易出现在输出图像上的噪声或不规则减少。
    • 4. 发明授权
    • Picture reading apparatus
    • 图片阅读器
    • US6118477A
    • 2000-09-12
    • US310012
    • 1999-05-11
    • Masahide MaruyamaMitsuyoshi ShindoKiyosuke SuzukiTomohiro MaekawaHideki Wanami
    • Masahide MaruyamaMitsuyoshi ShindoKiyosuke SuzukiTomohiro MaekawaHideki Wanami
    • H04N1/00H04N1/047H04N1/12H04N1/193H04N1/60H04N5/253
    • H04N1/00267H04N1/00249H04N1/00273H04N1/047H04N1/60H04N1/12H04N1/193H04N2201/0408H04N2201/0416H04N2201/04789
    • In a picture reading apparatus, in the pre-scan, an approach is employed to control a CCD line sensor 5 and a film carrying roller 103 so that plural pictures recorded on an optical film 1 are read at a predetermined sampling rate in order from the latest frame to generate frame position data indicating position of left and right ends of frame, etc. Further, in the main scan, an approach is employed such that, in controlling the CCD line sensor 5 and a film carrier 100 so that plural pictures recorded on the optical film are read at a sampling rate higher than the predetermined sampling rate in order from the oldest frame, the reading start and end timings of the CCD line sensor 5 are controlled on the basis of frame position data obtained by the pre-scan. As a result, in this picture reading apparatus, it is possible to precisely obtain picture data of picture of frame in the state where no positional shift takes place. In addition, since the pre-scan is carried out at a low sampling rate, frame position data can be obtained in a short time.
    • 在图像读取装置中,在预扫描中,采用了一种方法来控制CCD线传感器5和胶片承载辊103,使得以预定的采样率从光学胶片1读取记录在光学胶片1上的多个图像 以产生指示帧的左右两端的位置的帧位置数据等。此外,在主扫描中,采用这样的方法,即在控制CCD行传感器5和胶片载体100时,记录多个图像 基于从最早的帧开始按照高于预定采样率的采样率来读取光学薄膜,基于通过预扫描获得的帧位置数据来控制CCD行传感器5的读取开始和结束定时 。 结果,在该图像读取装置中,可以在不发生位置偏移的状态下精确地获得帧图像的图像数据。 此外,由于以低采样率执行预扫描,因此可以在短时间内获得帧位置数据。
    • 5. 发明授权
    • Film scanning apparatus using plural film feed speeds and sampling rates
    • 胶片扫描装置使用多个胶片进给速度和采样速率
    • US5949479A
    • 1999-09-07
    • US718595
    • 1996-09-26
    • Masahide MaruyamaMitsuyoshi ShindoKiyosuke SuzukiTomohiro MaekawaHideki Wanami
    • Masahide MaruyamaMitsuyoshi ShindoKiyosuke SuzukiTomohiro MaekawaHideki Wanami
    • H04N1/00H04N1/047H04N1/12H04N1/193H04N1/60H04N7/18
    • H04N1/00267H04N1/00249H04N1/00273H04N1/047H04N1/60H04N1/12H04N1/193H04N2201/0408H04N2201/0416H04N2201/04789
    • In a picture reading apparatus according to this invention, in the pre-scan, an approach is employed to control a CCD line sensor 5 and a film carrying roller 103 so that plural pictures recorded on an optical film 1 are read at a predetermined sampling rate in order from the latest frame to generate frame position data indicating position of left and right ends of frame, etc. Further, in the main scan, an approach is employed such that, in controlling the CCD line sensor 5 and a film carrier 100 so that plural pictures recorded on the optical film are read at a sampling rate higher than the predetermined sampling rate in order from the oldest frame, the reading start and end timings of the CCD line sensor 5 are controlled on the basis of frame position data obtained by the pre-scan. As a result, in this picture reading apparatus, it is possible to precisely obtain picture data of picture of frame in the state where no positional shift takes place. In addition, since the pre-scan is carried out at a low sampling rate, frame position data can be obtained in a short time.
    • PCT No.PCT / JP96 / 00277 Sec。 371日期1996年9月26日 102(e)1996年9月26日PCT PCT 1996年2月8日PCT公布。 WO96 / 25004 PCT出版物 日期:1996年8月15日在根据本发明的图像读取装置中,在预扫描中,采用了一种方法来控制CCD线传感器5和胶片承载辊103,使得记录在光学胶片1上的多个图像被读取 以最新帧的顺序以预定的采样率生成指示帧的左端和右端的位置的帧位置数据等。此外,在主扫描中,采用这样的方法,即在控制CCD行传感器5和 胶片载体100,使得记录在光学薄膜上的多个图像以从最早的帧开始的顺序从高于预定采样率的采样率读取,CCD行传感器5的读取开始和结束定时基于 通过预扫描获得的帧位置数据。 结果,在该图像读取装置中,可以在不发生位置偏移的状态下精确地获得帧图像的图像数据。 此外,由于以低采样率执行预扫描,因此可以在短时间内获得帧位置数据。
    • 7. 发明授权
    • Scanner for reading color image
    • 用于阅读彩色图像的扫描仪
    • US4930008A
    • 1990-05-29
    • US336722
    • 1989-04-12
    • Kiyosuke SuzukiHideki Wanami
    • Kiyosuke SuzukiHideki Wanami
    • H04N1/48
    • H04N1/484
    • A color image scanner which includes a plurality of light sources composed of a first light emitting diode for emitting a red light, a second light emitting diode for emitting a yellow light and a fluorescent light source for emitting a blue light, a control circuit for switching the plurality of light sources, sequentially and an image sensor for receiving light reflected from the original, scanned image, wherein a characteristic value of the light emitted from the first light emitting diode is selected so as to have an overlap in wavelength with that of the light emitted from the second light emitting diode, and a characteristic value of the light emitted from the fluorescent light source is selected so as to have an overlap in wavelength with that of the light emitted from the second light emitting diode.
    • 一种彩色图像扫描仪,包括由用于发射红光的第一发光二极管组成的多个光源,用于发射黄光的第二发光二极管和用于发射蓝光的荧光光源,用于切换的控制电路 所述多个光源顺序地和用于接收从所述原始扫描图像反射的光的图像传感器,其中,从所述第一发光二极管发射的光的特征值被选择为具有与所述第一发光二极管的波长重叠的波长 选择从第二发光二极管发出的光,并且从荧光光源发射的光的特征值被选择为具有与从第二发光二极管发射的光的波长重叠的波长。
    • 8. 发明授权
    • Picture reading apparatus
    • 图片阅读器
    • US06323968B1
    • 2001-11-27
    • US09154356
    • 1998-09-16
    • Makoto GotoFumihiko KaiseHideki Wanami
    • Makoto GotoFumihiko KaiseHideki Wanami
    • H04N104
    • H04N1/2158H04N1/2104H04N1/387H04N2201/214
    • Plural pictures recorded on an optical film are read, in frame units, by a scanner 11 to convert them into electric picture data to store those picture data into a main memory 21. A memory control section 2 controls read-out and write-in operations of the picture data obtained from the scanner 11 with respect to the main memory 21. Further, the memory control section 2 controls the write-in and read-out operations of the picture data to thereby obtain inverted picture data in which (relative position of) the picture data is inverted in regard to upper and lower directions thereof. A system control section 5 controls the memory control section 2 in accordance with inverting command from a keyboard 6 so as to obtain inverted picture data. Since the write-in or read-out operation of the picture data with respect to the main memory 21 is controlled by the system control section 5 so as to invert (relative position of) picture data in regard to upper and lower directions thereof in accordance with the inverting command from the keyboard 6, in the case where inverted picture in which the upside is turned down is displayed on a display section 7, the inverting command is given, thereby making it possible to display, on the display section 7, erecting (normally standing) pictures of respective frames in which relative position in regard to upper and lower directions is inverted, and to record the erecting pictures of respective frames onto a recording medium by a disc drive 42.
    • 通过扫描器11以帧为单位读取记录在光学薄膜上的多张图像,将其转换成电子图像数据,将这些图像数据存储到主存储器21中。存储器控制部分2控制读出和写入操作 从扫描器11获得的相对于主存储器21的图像数据。此外,存储器控制部分2控制图像数据的写入和读出操作,从而获得反转的图像数据,其中(相对位置 )图像数据相对于其上下方向反转。 系统控制部分5根据来自键盘6的反转命令控制存储器控制部分2,以获得反转的图像数据。 由于图像数据相对于主存储器21的写入或读出操作由系统控制部分5控制,以便根据图像数据的上下方向反转(相对位置)图像数据 利用来自键盘6的反转命令,在显示部分7上显示反转图像的情况下,在显示部分7上显示反转命令,从而可以在显示部分7上显示直立 (相对于上下方向的相对位置)反转的各帧的(通常站立)图像,以及通过盘驱动器42将各帧的竖立图像记录到记录介质上。