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    • 1. 发明授权
    • Wide field of view head mounted display device
    • 宽视野头戴式显示装置
    • US07088516B2
    • 2006-08-08
    • US10454535
    • 2003-06-05
    • Yasushi YagiMasahiko YachidaHajime Nagahara
    • Yasushi YagiMasahiko YachidaHajime Nagahara
    • G02B27/14G02B23/00
    • G02B27/0172G02B2027/0127
    • Provided is a wide field of view head mounted display device capable of presenting 120 degree field of view per one eye and 180 or more by both eyes horizontally while keeping resolution at least to the same extent of the conventional art. The wide field of view head mounted display device includes: a LCD 1 for displaying an image; a lens 2 for projecting an image displayed on the LCD 1; and a catoptric system with a concave mirror 4 and a convex mirror 3. The LCD 1 and the lens 2, the concave mirror 4 and convex mirror 3 are positioned in a relative relationship to observe by an observing pupil 5 at a predetermined position a virtual image of a beam of reflected light as an incident light on the concave mirror 4 when the light of displayed image on the LCD 1 is projected to the convex mirror 3 through the lens 2 and a reflected light of the projected light at the convex mirror 3 arrives as the incident light at the concave mirror 4.
    • 提供了一种宽视野头戴式显示装置,其能够在保持分辨率至少与常规技术相同程度的同时,在每只眼睛中呈现120度视野并且由双眼水平地呈现180度以上。 宽视野头戴显示装置包括:用于显示图像的LCD 1; 用于投影显示在LCD 1上的图像的透镜2; 以及具有凹面镜4和凸面镜3的折射系统。 LCD 1和透镜2,凹面镜4和凸面镜3以相对关系定位,以在预定位置上由观察光瞳5观察作为凹面镜上的入射光的反射光束的虚像 当LCD 1上的显示图像的光通过透镜2投影到凸面镜3,并且凸面镜3处的投射光的反射光到达凹面镜4处的入射光时。
    • 2. 发明授权
    • Omnidirectional visual sensor having a plurality of mirrors with
surfaces of revolution
    • 具有多个具有旋转表面的反射镜的全方位视觉传感器
    • US6130783A
    • 2000-10-10
    • US311275
    • 1999-05-14
    • Yasushi YagiMasahiko Yachida
    • Yasushi YagiMasahiko Yachida
    • G02B17/00G02B13/06H04N5/225G02B27/10G02B5/08G02B13/22
    • H04N5/2259G02B13/06
    • An omnidirectional visual sensor which can observe a 360-degree panoramic field area, obtain a sharp image and correctly transform a central projection with respect to the image and can be minimized as a whole includes a convex mirror with a surface of revolution having a focal point, a plurality of mirrors with surfaces of revolutions having at least one focal point, a photoreceiving lens system receiving light reflected by the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions and an image acquisition surface receiving the light received in the photoreceiving lens system and converting the same to an electric signal, and the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions are so arranged that the focal point of a first mirror included in the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions aligns with the focal point of a second mirror, included in the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions, further reflecting light reflected by the first mirror.
    • 可以观察360度全景场区域的全向视觉传感器,获得清晰图像并相对于图像正确地变换中心投影,并且可以最小化,整体包括具有具有焦点的旋转表面的凸面镜 具有至少一个焦点的具有转动表面的多个反射镜,接收由凸面镜反射的光与旋转表面的光接收透镜系统,以及具有转动表面的多个反射镜和接收接收到的光的图像获取表面 在光接收透镜系统中并将其转换为电信号,并且具有旋转表面的凸面镜和具有转动表面的多个反射镜被布置成使得包括在凸面镜中的第一反射镜的焦点与 旋转表面和具有转动表面的多个反射镜与焦点的秒对准 包括在具有旋转表面的凸面镜和具有转动表面的多个反射镜的反射镜中,进一步反射由第一反射镜反射的光。
    • 3. 发明授权
    • Omnidirectional imaging system
    • 全方向成像系统
    • US09244258B2
    • 2016-01-26
    • US13391667
    • 2011-06-24
    • Akio NishimuraTetsuro OkuyamaYasushi Yagi
    • Akio NishimuraTetsuro OkuyamaYasushi Yagi
    • H04N7/18G02B13/06G02B17/06G03B37/06H04N5/225H04N5/232
    • G02B13/06G02B17/061G03B37/06H04N5/2259H04N5/23238
    • To enable an image with no blind spot area to be obtained while ensuring a wide field of view, an omnidirectional imaging system includes: a primary mirror (101) including a hyperbolic mirror; a plurality of secondary mirrors (102) arranged around the primary mirror and each including a hyperbolic mirror; and a camera (104) that captures an image reflected by the primary mirror and images reflected by the plurality of secondary mirrors. A hyperboloid of the primary mirror and hyperboloids of the plurality of secondary mirrors have a substantially coincident outer focal point, and the camera (104) is placed so that a viewpoint of the camera substantially coincides with the outer focal point of the hyperboloid of the primary mirror (101) and the hyperboloids of the plurality of secondary mirrors (102), the viewpoint of the camera being an entrance pupil position of a lens attached to the camera (104).
    • 为了在确保宽视场的同时能够获得没有盲区的图像,全向成像系统包括:主镜(101),包括双曲面镜; 多个辅助反射镜(102),其布置在主镜周围并且每个包括双曲面镜; 以及拍摄由主反射镜反射的图像和由多个次反射镜反射的图像的照相机(104)。 多个次级反射镜的主镜和双曲面的双曲面具有基本上重合的外焦点,并且相机(104)被放置成使得照相机的视点基本上与主要的双曲面的外焦点重合 反射镜(101)和多个次级反射镜(102)的双曲面,相机的视点是附接到相机(104)的透镜的入射光瞳位置。
    • 5. 发明申请
    • MOVING OBJECT DETECTION DEVICE
    • 移动物体检测装置
    • US20130094759A1
    • 2013-04-18
    • US13805527
    • 2011-06-20
    • Yasushi YagiYasushi MakiharaChunsheng Hua
    • Yasushi YagiYasushi MakiharaChunsheng Hua
    • G06K9/32
    • G06K9/3241G06K9/00369G06K9/00771G06K9/4647G06K2009/3291G06T7/215G06T7/269G06T2207/30196
    • A moving object detection device includes a window setting unit configured to set a window having a predetermined volume in a video, an orientation of spatial intensity gradient calculation unit configured to calculate, for each pixel included in the window, an orientation of spatial intensity gradient, a spatial histogram calculation unit configured to calculate a spatial histogram that is a histogram of the orientation of spatial intensity gradient within the window, an orientation of temporal intensity gradient calculation unit configured to calculate, for each pixel included in the window, an orientation of temporal intensity gradient, a temporal histogram calculation unit configured to calculate a temporal histogram that is a histogram of an orientation of temporal intensity gradient within the window, and a determination unit configured to determine whether or not the moving object is included within the window based on the spatial histogram and the temporal histogram.
    • 移动物体检测装置包括:窗口设定单元,其被配置为在视频中设置具有预定体积的窗口;空间强度梯度计算单元的方向,被配置为针对包括在窗口中的每个像素计算空间强度梯度的方向, 空间直方图计算单元,被配置为计算作为窗口内的空间强度梯度的取向的直方图的空间直方图,时间强度梯度计算单元的方位被配置为针对包括在窗口中的每个像素计算时间方向 强度梯度,时间直方图计算单元,其被配置为计算作为窗口内的时间强度梯度的取向的直方图的时间直方图;以及确定单元,被配置为基于所述窗口中的所述窗口来确定所述移动对象是否包括在所述窗口内 空间直方图和时间直方图。
    • 9. 发明授权
    • Heat treatment method and apparatus thereof
    • 热处理方法及其装置
    • US5429498A
    • 1995-07-04
    • US987024
    • 1992-12-07
    • Wataru OkaseYasushi YagiSatoshi Kawachi
    • Wataru OkaseYasushi YagiSatoshi Kawachi
    • C23C16/458C23C16/46C23C16/48C30B25/10C30B25/12C30B31/12C30B31/14H01L21/00H01L21/205H01L21/314H01L21/677F27D3/12
    • H01L21/67109C23C16/4583C23C16/46C23C16/463C23C16/481C30B25/10C30B25/12C30B31/12C30B31/14H01L21/67115H01L21/67745H01L21/67751
    • The present invention relates to a thermal processing method wherein a cylindrical process tube that has at one end an entrance/exit is provided at the other end thereof with a heat source, and thermal processing is performed on a workpiece which has been brought in from the entrance/exit of the process tube to a prescribed position therein. This thermal processing method and an apparatus therefor is characterized in that, when the workpiece is moved to the prescribed position, it is first moved to a proximity position that is closer to the heat source than the prescribed position, then it is returned therefrom to the prescribed position. The invention is further characterized in that, if the actual processing temperature at the prescribed position changes while the workpiece is undergoing thermal processing, the workpiece is moved such that the position of the workpiece with respect to the heat generation source is changed in order to return the processing temperature at the prescribed position to the prescribed processing temperature. This ensures that the temperature of the workpiece can be rapidly raised to the prescribed processing temperature and also that, if the temperature of the workpiece should change, it can be rapidly returned to the prescribed processing temperature.
    • 本发明涉及一种热处理方法,其中在一端具有入口/出口的圆柱形处理管在其另一端设置有热源,并且对从已经从 处理管的入口/出口到其中的规定位置。 这种热处理方法及其装置的特征在于,当工件移动到规定位置时,首先将其移动到比规定位置更靠近热源的接近位置,然后从其返回到 规定的位置。 本发明的特征还在于,如果在工件进行热加工时在规定位置处的实际加工温度变化,则工件被移动,使得工件相对于发热源的位置改变以返回 在规定位置处理温度达规定处理温度。 这样可以确保工件的温度快速提高到规定的加工温度,而且如果工件的温度变化,则可以迅速地恢复到规定的加工温度。
    • 10. 发明授权
    • Image processing device, image processing method, and program
    • 图像处理装置,图像处理方法和程序
    • US08837812B2
    • 2014-09-16
    • US12997088
    • 2009-06-04
    • Hiroshi KawasakiRyo FurukawaRyusuke SagawaYasushi Yagi
    • Hiroshi KawasakiRyo FurukawaRyusuke SagawaYasushi Yagi
    • G06K9/00G06T1/00G01B11/25G06T7/00
    • G01B11/25G06T1/00G06T7/521G06T2200/08G06T2207/10028
    • Provided are an image processing device, an image processing method, and a program which are capable of high density restoration and which are also strong to image processing. An image processing device mainly consists of a projector serving as a projection means, a camera as a photographing means, and an image processing means consisting of, for example, a personal computer. The image processing means acquires the intersection point between patterns from a photographed image and calculates a first solution including degree of freedom by using the constraint condition of a first tentative plane and a second tentative plane including the intersection point and the constraint condition obtained from the positional relationship between the projector and the camera. The degree of freedom is cancelled by primary search, thereby restoring a three-dimensional shape.
    • 提供能够进行高密度恢复并且对于图像处理也很强的图像处理装置,图像处理方法和程序。 图像处理装置主要由用作投影装置的投影仪,作为拍摄装置的照相机和由例如个人计算机组成的图像处理装置组成。 图像处理装置从拍摄图像获取图案之间的交点,并且通过使用第一临时平面的约束条件和包括从该位置获得的交点和约束条件的第二临时平面来计算包括自由度的第一解 投影机和相机之间的关系。 通过主要搜索取消自由度,从而恢复三维形状。