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    • 1. 发明授权
    • Image encoding method and apparatus
    • 图像编码方法及装置
    • US06553143B2
    • 2003-04-22
    • US08425768
    • 1995-04-20
    • Nobutaka MiyakeYoshitake NagashimaTadayoshi NakayamaJoji OkiYuji KonnoKazuhide Hasegawa
    • Nobutaka MiyakeYoshitake NagashimaTadayoshi NakayamaJoji OkiYuji KonnoKazuhide Hasegawa
    • G06T900
    • H04N19/146H04N19/124H04N19/15
    • This invention relates to an image encoding method and apparatus, and particularly has as its object to satisfactorily control the amount of encoded image data. In order to achieve this object, according to this invention, there is disclosed a technique for sequentially controlling the code amounts in accordance with accumulated code amount information and accumulated encoded area information, so that variable-length codes of an image fall within a predetermined memory capacity in a single pass. More specifically, in an image processing apparatus having a compression processor (15) for compressing input image information, and a memory (16) for storing encoded data by the compression processor (15), a code amount controller (14) calculates a reference code amount on the basis of the input image information, and controls the encoding condition of the compression processor (15) on the basis of the calculated reference code amount.
    • 本发明涉及图像编码方法和装置,特别是其目的是令人满意地控制编码图像数据量。 为了实现该目的,根据本发明,公开了一种用于根据累积码量信息和累积编码区域信息依次控制码量的技术,使得图像的可变长度码落入预定存储器 一次通过能力。 更具体地,在具有用于压缩输入图像信息的压缩处理器(15)的图像处理装置和由压缩处理器(15)存储编码数据的存储器(16)中,代码量控制器(14)计算参考代码 基于输入图像信息量,并且基于所计算的参考代码量来控制压缩处理器(15)的编码条件。
    • 5. 发明授权
    • Shape measurement device and method thereof
    • 形状测量装置及其方法
    • US07949179B2
    • 2011-05-24
    • US10598010
    • 2004-09-15
    • Katsushi IkeuchiKazuhide HasegawaTomohito Masuda
    • Katsushi IkeuchiKazuhide HasegawaTomohito Masuda
    • G06K9/46A61B5/103G01R19/00
    • G01S17/89G01B11/24G01S7/4817
    • The present invention is a system for determining the three dimensional shape of an object, having a first measuring means for measuring a first distance and direction from a fixed first observation point to a first group of measurement points on an object, and a second measuring means for measuring a second distance and direction from a movable second observation point to a second group of measurement points on the aforementioned object, at least one point among said second group of measurement points being the same measurement point as at least one point among the aforementioned first group of measurement points, and said second group of measurement points including at least one measurement point not included in the aforementioned first group of measurement points, and further being provided with a calculating means for calculating the traveling velocity vector of the second observation point from the measurement results concerning the aforementioned same measurement point due to the first and second measuring means, correcting the aforementioned second measurement results based upon said traveling velocity vector, and calculating the three dimensional coordinates of the measurement points of the first group and the second group, and a displaying means that displays an image of the object based upon the aforementioned three dimensional coordinates.
    • 本发明是一种用于确定物体的三维形状的系统,具有用于测量从固定的第一观察点到物体上的第一组测量点的第一距离和方向的第一测量装置和第二测量装置 用于测量从上述物体的可移动第二观察点到第二组测量点的第二距离和方向,所述第二组测量点中的至少一个点与上述第一测量点中的至少一个点相同的测量点 测量点组,以及所述第二组测量点,其包括不包括在上述第一组测量点中的至少一个测量点,并且还设置有计算装置,用于从第一组测量点计算第二观测点的行进速度矢量, 关于上述相同测量点的测量结果 第一和第二测量装置,基于所述行进速度矢量校正上述第二测量结果,以及计算第一组和第二组的测量点的三维坐标,以及显示装置,显示基于对象的图像 根据上述三维坐标。
    • 6. 发明申请
    • Electronic endoscope system
    • 电子内窥镜系统
    • US20080018733A1
    • 2008-01-24
    • US11826585
    • 2007-07-17
    • Kazuhide Hasegawa
    • Kazuhide Hasegawa
    • A61B1/06
    • G02B23/2484A61B1/00009A61B1/0005A61B1/0638A61B1/0646G02B23/2461H04N5/2256H04N2005/2255
    • An illuminator of an electronic endoscope system is provided with a light emission mechanism that consists of a light source emitting white light as general illumination light and an optical chopper that turns a disc at a revolution speed in front of the light source. The disc consists of transparent glass sectors and filter sectors. Each time the general illumination light passes through the filter sectors, the illuminator emits specific illumination light having different spectral characteristics from those of the general illumination light, so a CCD outputs two kinds of image signals under the general illumination light and the specific illumination light. A spectral image producer produces a spectral image of arbitrary wavelength bands from the two kinds of image signals, whereas a general image producer produces a general image from those image signals captured under the general illumination light.
    • 电子内窥镜系统的照明装置设置有发光机构,该发光机构由作为普通照明光发出白光的光源和使光盘前方转速旋转的光斩波器构成。 光盘由透明玻璃扇区和滤光片组成。 每当普通照明光通过滤光片扇区时,照明器发出具有与普通照明光不同光谱特性的特定照明光,因此CCD在普通照明光和特定照明光下输出两种图像信号。 光谱图像生成器从两种图像信号产生任意波长带的光谱图像,而一般图像生成器从在一般照明光下捕获的那些图像信号产生一般的图像。