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    • 1. 发明授权
    • Video camera
    • 录影机
    • US5512947A
    • 1996-04-30
    • US220169
    • 1994-03-30
    • Youichi SawachiMasanori Yoshida
    • Youichi SawachiMasanori Yoshida
    • H04N5/235H04N5/16H04N5/18H04N5/20H04N5/243H04N9/72H04N5/232
    • H04N5/20H04N9/72H04N5/185
    • In a video camera, black level correction is turned off in a backlight correction condition or when an AGC gain is high, video signals are converted to digital signals by an A/D converter, the digital video signals are compared with a reference value by a data comparator, and a number of times that the comparison is less than the reference value is counted by an integrator. The reference value, where the counted number of times is the predetermined number of times or more, is determined by a microcomputer, a black level correction value according to the determined reference value is set, and clamp circuits are provided with the black level correction value to correct the black level, thereby preventing a bad influence due to black level correction during exposure correction or when the AGC gain is high, and making black level correction by digital processing.
    • 在摄像机中,在背光校正条件下黑电平校正被关闭,或当AGC增益高时,视频信号由A / D转换器转换为数字信号,数字视频信号与参考值相比较 数据比较器和比较小于参考值的次数由积分器计数。 计数次数为规定次数以上的基准值由微型计算机确定,根据所确定的基准值设定黑电平校正值,向钳位电路提供黑电平校正值 以校正黑电平,从而防止在曝光校正期间或当AGC增益高时由于黑电平校正引起的不良影响,并且通过数字处理进行黑电平校正。
    • 2. 发明授权
    • Ranging apparatus and ranging method
    • 测距仪和测距方法
    • US08311286B2
    • 2012-11-13
    • US12037727
    • 2008-02-26
    • Tomonori MasudaYouichi Sawachi
    • Tomonori MasudaYouichi Sawachi
    • G06K9/00
    • G01S17/36G01S7/491G01S17/89
    • A first ranging apparatus includes a light-emitting unit for emitting a series of first through fourth modulated lights which have respective different start phases at which the first through fourth modulated lights start being emitted, a light-detecting unit for detecting reflected lights from an object that is irradiated with the first through fourth modulated lights, and a calculating unit for calculating the distance up to the object based on the phase difference between the first through fourth modulated lights and the reflected lights. The light-emitting unit comprises a start phase controller for controlling the start phases. The light-detecting units samples the amounts of the reflected lights in exposure periods established at a constant cycle length from the time when the modulated lights start being emitted.
    • 第一测距装置包括用于发射一系列第一至第四调制光的发光单元,所述第一至第四调制光具有开始发射第一至第四调制光的各自不同的起始相位,用于检测来自物体的反射光的光检测单元 以及基于第一至第四调制光与反射光之间的相位差计算到物体的距离的计算单元。 发光单元包括用于控制起始相位的起动相位控制器。 光检测单元从调制光开始发射的时刻以恒定周期长度建立的曝光周期中的反射光的量进行采样。
    • 3. 发明授权
    • Capsule endoscope capable of performing stereoscopic imaging
    • 能够进行立体成像的胶囊型内窥镜
    • US08016747B2
    • 2011-09-13
    • US11808453
    • 2007-06-11
    • Youichi Sawachi
    • Youichi Sawachi
    • A61B1/04
    • A61B1/041A61B1/00183A61B1/00193A61B1/045A61B1/0638G02B7/28G02B23/2415H04N13/239H04N13/296H04N2005/2255
    • A capsule endoscope capable of implementing stereoscopic photography, with which protruding/recessed states are easily recognized, for a nearby subject. The capsule endoscope includes imaging devices for respectively imaging a common subject, a driving/sampling section which drives the imaging devices, focusing optical systems which correspond one-to-one with the imaging devices and focus subject images onto imaging regions of the corresponding imaging devices, and a control section which controls imaging operations of the imaging devices with the driving/sampling section. At least one of the focusing optical systems is inclined such that an optical axis direction thereof is oriented forward in a direction of imaging by the plurality of imaging devices and toward a perpendicular direction that passes through a central point between the imaging regions of the plurality of imaging devices.
    • 一种胶囊型内窥镜,能够对附近的被摄体进行突出/凹陷状态容易识别的立体摄影。 胶囊型内窥镜包括用于分别对公共对象成像的摄像装置,驱动成像装置的驱动/采样部,与成像装置一一对应的聚焦光学系统,并将被摄体图像聚焦到相应成像装置的摄像区域 以及控制部,其通过驾驶/取样部控制摄像装置的拍摄动作。 聚焦光学系统中的至少一个倾斜,使得其光轴方向在多个成像装置的成像方向上朝向正方向并朝向穿过多个成像装置的成像区域之间的中心点的垂直方向 成像设备。
    • 5. 发明申请
    • Map display system and digital camera
    • 地图显示系统和数码相机
    • US20060001757A1
    • 2006-01-05
    • US11169887
    • 2005-06-30
    • Youichi Sawachi
    • Youichi Sawachi
    • H04N5/222
    • H04N5/232G01C21/20H04N1/32128H04N2201/3214H04N2201/3215H04N2201/3252H04N2201/3253H04N2201/3273H04N2201/3277
    • A digital camera receives position information from GPS satellites for detecting camera position when capturing an image. Additional information, which is composed of the camera position, camera azimuth and focal distance of the taking lens, is added to image data of the captured image as tag and recorded in an image file. When the captured image is reproduced, the map image generated according to the additional information is displayed below the captured image, covering an area from the image capture point toward the subject in the captured image. Field view lines and map symbols indicating the subjects are displayed in the map image. Further, the map image includes the extension line which passes the map symbol and is extended to the subject in the captured image for showing the correspondence between the map symbol and the subject.
    • 数码相机从GPS卫星接收位置信息,用于在拍摄图像时检测相机位置。 由拍摄镜头的摄像机位置,摄像机方位角和焦距构成的附加信息作为标签添加到拍摄图像的图像数据中并记录在图像文件中。 当拍摄的图像被再现时,根据附加信息生成的地图图像被显示在拍摄图像的下方,覆盖从拍摄图像中的图像拍摄点朝向被摄体的区域。 在地图图像中显示表示被摄体的场景视图行和地图符号。 此外,地图图像包括通过地图符号的扩展线,并且在拍摄图像中扩展到被摄体,以示出地图符号和对象之间的对应关系。
    • 7. 发明授权
    • Vertical contour enhancement suppression circuit
    • 垂直轮廓增强抑制电路
    • US4979024A
    • 1990-12-18
    • US405226
    • 1989-09-11
    • Takeshi MisawaYouichi Sawachi
    • Takeshi MisawaYouichi Sawachi
    • H04N5/208H04N9/64
    • H04N5/208H04N9/646
    • In an arrangement wherein vertical contour enhancement is performed by subtracting a video signal between horizontal scanning lines and applying a white- or black-level signal before or after the contour (edge portion) of an image based on the result of the subtraction operation, the application of the black-level signal is selectively suppressed to diminish unattractive black borders. In another embodiment, application of the black-level signal to portions having a strong red-signal component is selectively suppressed, thereby diminishing unattractive black borders which appear at red portions of a display image. In still another embodiment, application of the black-level signal to portions where the level of an R-Y signal is high is selectively suppressed, thereby diminishing unattractive black borders which appear at red portions of a display image.
    • 在通过减去水平扫描线之间的视频信号并且基于减法运算的结果在图像的轮廓(边缘部分)之前或之后施加白电平或黑电平信号来执行垂直轮廓增强的布置中, 选择性地抑制黑电平信号的应用以减少不吸引人的黑色边界。 在另一个实施例中,选择性地抑制黑电平信号对具有强红信号分量的部分的应用,从而减少出现在显示图像的红色部分处的不吸引人的黑色边框。 在又一个实施例中,选择性地抑制黑电平信号施加到R-Y信号电平高的部分,从而减少出现在显示图像的红色部分的不吸引人的黑色边框。
    • 8. 发明授权
    • Method and apparatus for generating files for stereographic image display and method and apparatus for controlling stereographic image display
    • 用于生成用于立体图像显示的文件的方法和装置以及用于控制立体图像显示的方法和装置
    • US08345085B2
    • 2013-01-01
    • US11962170
    • 2007-12-21
    • Youichi Sawachi
    • Youichi Sawachi
    • H04N13/02
    • G01S11/12H04N13/122H04N13/239H04N2213/005
    • An apparatus for generating a file comprises a file obtaining means, image composing means and a file generating means. The file obtaining means obtains a main image file in which a main stereographic image is recorded and a sub-image file in which a sub-image is recorded. The image composing means generates a first synthetic stereographic image by synthesizing a sub-stereographic image reconstructed to conform to a main stereographic image with the main stereographic image and generates a second synthetic stereographic image by synthesizing a main stereographic image reconstructed to conform to a sub-stereographic image with the sub-stereographic image. The file generating means generates a file of a predetermined format including the synthetic first and second stereographic images.
    • 用于生成文件的装置包括文件获取装置,图像合成装置和文件生成装置。 文件获取装置获得其中记录主立体图像的主图像文件和其中记录子图像的子图像文件。 图像合成装置通过合成重建的主立体图像与主立体图像合成重建的副立体图像,生成第一合成立体图像,并通过合成重构的主立体图像以产生第二合成立体图像, 具有副立体图像的立体图像。 文件生成装置生成包括合成的第一和第二立体图像的预定格式的文件。
    • 9. 发明授权
    • Image taking system
    • 摄像系统
    • US07936384B2
    • 2011-05-03
    • US11865101
    • 2007-10-01
    • Youichi Sawachi
    • Youichi Sawachi
    • H04N5/262H04N5/222H04N5/225H04N5/232G03B13/00
    • H04N5/232H04N5/23212H04N5/235
    • In the image taking method where images of an object are taken by a running image taking portion provided with a zoom lens, and at least one image taking portion for measuring a distance provided with a fixed focus lens equal to the wide-angle-side end of the zoom lens to generate image data, an image taking method includes the steps of simultaneously taking an image by each image taking system and detecting and storing a zoom position at an arbitrary angle of view of the zoom lens. A search space in a photographing field in the stored zoom position is set. When it is determined that no corresponding point is on one of the end faces of the set space, a running image is taken after the zoom lens is moved to the stored zoom position by the zoom lens drive means.
    • 在通过设置有变焦透镜的行走图像拍摄部拍摄被摄体的图像的图像拍摄方法中,以及至少一个摄像部分,用于测量设置有等于广角端的固定焦距透镜的距离 的变焦透镜以产生图像数据,图像拍摄方法包括以下步骤:通过每个摄像系统同时拍摄图像,并且检测并存储变焦镜头的任意视角的变焦位置。 存储变焦位置的拍摄场中的搜索空间被设定。 当确定在设置空间的一个端面上没有对应点时,在变焦镜头被变焦镜头驱动装置移动到存储的变焦位置之后,拍摄运行图像。
    • 10. 发明授权
    • Photographing system
    • 摄影系统
    • US07570296B2
    • 2009-08-04
    • US10620442
    • 2003-07-17
    • Youichi Sawachi
    • Youichi Sawachi
    • H04N5/222
    • H04N1/32128H04N1/2112H04N1/2133H04N1/2137H04N1/2158H04N2201/325H04N2201/3277
    • A photographing interval of a digital camera that generates an intermediate image having a resolution between an original image and a thumbnail image is adjusted. Preset intermediate image generation parameters are referenced, and it is determined whether or not generation of an intermediate image is to be carried out. When it is determined that generation of the intermediate image is to be carried out, the intermediate image is generated in a signal processing unit on the basis of the size of the intermediate image set in the intermediate image generation parameters. When it is determined that generation of the intermediate image is not to be carried out, the intermediate image is not generated. Compressed data of the thumbnail image, the original image, and the intermediate image, as well as a header section and a tag section, are stored in a medium such as a memory card.
    • 调整生成具有原始图像和缩略图之间的分辨率的中间图像的数码相机的拍摄间隔。 参考预设中间图像生成参数,并且确定是否执行中间图像的生成。 当确定要执行中间图像的生成时,基于在中间图像生成参数中设置的中间图像的大小,在信号处理单元中生成中间图像。 当确定不执行中间图像的生成时,不产生中间图像。 缩略图像,原始图像和中间图像的压缩数据以及标题部分和标签部分被存储在诸如存储卡的介质中。