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    • 21. 发明授权
    • Data transfer apparatus which allows data to be transferred between data
devices without accessing a shared memory
    • 允许在数据设备之间传输数据而不访问共享存储器的数据传输设备
    • US5627968A
    • 1997-05-06
    • US274732
    • 1994-07-18
    • Tohru OzakiRikiya OkamotoJunichi SugiyamaSeiya Shimizu
    • Tohru OzakiRikiya OkamotoJunichi SugiyamaSeiya Shimizu
    • G06F15/16G06F13/16G06F13/38G06F13/362G06F13/36
    • G06F13/1673
    • A data transfer apparatus which includes data devices which access a common, shared memory. Each data device is connected to a corresponding data buffer. A memory bus is connected to each of the data buffers and to the shared memory to allow data to be transferred between the data buffers and between the data devices and the shared memory via the data buffers. Data is transferrable between a transferring data device to a receiving data device by transferring data from the transferring data device to the data buffer corresponding to the transferring data device, from the data buffer corresponding to the transferring data device to the memory bus, from the memory bus to the data buffer corresponding to the receiving data device, and then from the data buffer corresponding to the receiving data device to the receiving data device. A data transfer controller controls the data buffers and the shared memory so that the shared memory does not transfer data onto the memory data bus when, during the transfer of data between the transferring data device and the receiving data device, data is being transferred between the data buffer corresponding to the transferring data device and the data buffer corresponding to the receiving data device via the memory bus.
    • 一种数据传输装置,其包括访问公共共享存储器的数据装置。 每个数据设备连接到相应的数据缓冲区。 存储器总线连接到每个数据缓冲器和共享存储器,以允许数据通过数据缓冲器在数据缓冲器之间以及数据装置和共享存储器之间传送。 数据可以从传送数据设备传送到接收数据设备,通过从对应于传送数据设备的数据缓冲器传输数据到与传送数据设备对应的数据缓冲器,从对应于传送数据设备的数据缓冲器到存储器总线,从存储器 总线到对应于接收数据设备的数据缓冲器,然后从对应于接收数据设备的数据缓冲器传送到接收数据设备。 数据传输控制器控制数据缓冲器和共享存储器,使得在传送数据设备与接收数据设备之间的数据传输期间,数据正在传输数据之间,共享存储器不会将数据传送到存储器数据总线 通过存储器总线对应于传送数据装置和对应于接收数据装置的数据缓冲器的数据缓冲器。
    • 23. 发明授权
    • Image generating apparatus, synthesis table generating apparatus, and computer readable storage medium
    • 图像生成装置,合成表生成装置和计算机可读存储介质
    • US09030524B2
    • 2015-05-12
    • US13608027
    • 2012-09-10
    • Seiya Shimizu
    • Seiya Shimizu
    • H04N7/00H04N5/232G06T3/00
    • H04N5/23238B60R2300/303G06T3/0062
    • An image generating apparatus includes an image receiving unit, a projecting unit, and a panoramic image generating unit. The image receiving unit receives camera images captured by a plurality of cameras, the subject of which is common. The projecting unit projects, within each camera image received by the image receiving unit, images which are present below the horizontal line within each camera image on the bottom surface of an infinite hemisphere having a planar bottom surface and projects images which are present above the horizontal line within each camera image on the hemispherical surface of the infinite hemisphere. The panoramic image generating unit generates a panoramic image based on the images projected on the infinite hemisphere by the projecting unit.
    • 图像产生装置包括图像接收单元,投影单元和全景图像生成单元。 图像接收单元接收由多个摄像机拍摄的摄像机图像,该摄像机的主题是共同的。 投影单元在由图像接收单元接收的每个相机图像内投影在具有平面底表面的无限半球底面上存在于每个相机图像内的水平线下方的图像,并且投影存在于水平方向上方的图像 在无限半球的半球形表面上的每个相机图像内线。 全景图像生成单元基于通过投影单元投影在无限半球上的图像来生成全景图像。
    • 30. 发明授权
    • Three-dimensional shape data transforming apparatus
    • 三维形状数据变换装置
    • US5920320A
    • 1999-07-06
    • US825503
    • 1997-03-31
    • Seiya Shimizu
    • Seiya Shimizu
    • G06T15/40G06T17/00
    • G06T17/00
    • A three-dimensional shape data transforming apparatus comprising a shape storage unit, an image generation unit, a frame buffer, a Z buffer and vertex determination unit. The image generation unit projects an original shape represented by shape data in the shape storage unit onto a predetermined projection surface (e.g., a cylindrical surface) to create an image. The frame buffer and Z buffer store color information (RGBA values) and depth values (Z values) respectively. The vertex determination unit makes the original shape correspond to an approximate shape (mesh shape) constituted by a plurality of designation points (lattice points) represented by two-dimensional coordinates, and determines the coordinates of the vertexes to which the designation points on the surface of the original shape are made to correspond in accordance with the two-dimensional coordinates of the corresponding designation points and with the corresponding depth values in the Z buffer, whereby the data constituted by the vertexes are regarded as the data on the approximate shape representing the transformed original shape.
    • 一种三维形状数据变换装置,包括形状存储单元,图像生成单元,帧缓冲器,Z缓冲器和顶点确定单元。 图像生成单元将形状数据中由形状数据表示的原始形状投影到规定的投影面(例如,圆筒面)上以形成图像。 帧缓冲器和Z缓冲器分别存储颜色信息(RGBA值)和深度值(Z值)。 顶点确定单元使原始形状对应于由由二维坐标表示的多个指定点(网格点)构成的近似形状(网格形状),并且确定表面上指定点的顶点的坐标 根据相应的指定点的二维坐标和Z缓冲器中的相应深度值使原始形状对应,由顶点构成的数据被认为是表示该顶点的近似形状的数据 转变原来的形状。