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    • 1. 发明申请
    • Apparatus and Method for Real-Time Volume Processing and Universal Three-Dimensional Rendering
    • 用于实时卷处理和通用三维渲染的装置和方法
    • US20070206008A1
    • 2007-09-06
    • US11556993
    • 2006-11-06
    • Arie KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • Arie KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • G06T15/20
    • G06T15/08G06T15/06G06T15/40
    • An apparatus and method for real-time volume processing and universal three-dimensional rendering. The apparatus includes a plurality of three-dimensional (3D) memory units; at least one pixel bus for providing global horizontal communication; a plurality of rendering pipelines; at least one geometry bus; and a control unit. The apparatus includes a block processor having a circular ray integration pipeline for processing voxel data and ray data. Rays are generally processed in image order thus permitting great flexibility (e.g., perspective projection, global illumination). The block processor includes a splatting unit and a scattering unit. A method for casting shadows and performing global illumination in relation to light sources includes sweeping a two dimensional array of rays through the volume can also be implemented with the apparatus. A method for approximating a perspective projection includes using parallel projection.
    • 用于实时卷处理和通用三维渲染的装置和方法。 该装置包括多个三维(3D)存储器单元; 用于提供全局水平通信的至少一个像素总线; 多个渲染管线; 至少一个几何总线; 和控制单元。 该装置包括具有用于处理体素数据和射线数据的圆形射线集成管线的块处理器。 通常以图像顺序处理光线,从而允许很大的灵活性(例如,透视投影,全局照明)。 块处理器包括分散单元和散射单元。 用于投射阴影和执行与光源相关的全局照明的方法包括扫描通过该体积的二维阵列的射线也可以用该装置来实现。 用于近似透视投影的方法包括使用平行投影。
    • 2. 发明授权
    • Apparatus and method for real-time volume processing and universal 3D rendering
    • 用于实时音量处理和通用3D渲染的装置和方法
    • US06674430B1
    • 2004-01-06
    • US09354876
    • 1999-07-16
    • Arie KaufmanIngmar BitterBaoquan ChenFrank DachilleKevin Kreeger
    • Arie KaufmanIngmar BitterBaoquan ChenFrank DachilleKevin Kreeger
    • G06T1700
    • G06T15/005G06T15/08
    • An apparatus and method for real-time volume processing and universal three-dimensional rendering. The apparatus includes a plurality of three-dimensional (3D) memory units; at least one pixel bus for providing global horizontal communication; a plurality of rendering pipelines; at least one geometry bus; and a control unit. The plurality of rendering pipelines each preferably include hardware for interpolation, shading, FIFO buffering, communication and table lookups. The apparatus of the present invention may be coupled to a geometry pipeline for mixing surfaces, images and volumes together in a single image. A method for performing volumetric ray casting of a 3D volume includes the steps of calculating a distance along a major projection axis from a predefined viewpoint; dividing the volume into a plurality of consecutive regions having exponentially increasing bounds; casting a plurality of rays from the viewpoint through the volume; either merging two or more rays or splitting one or more rays at the region boundaries; and repeating the ray casting and merging/splitting steps until the entire volume has been processed. The apparatus and methods of the present invention achieve true real-time performance for high-resolution volume rendering, mixing surfaces and volumes in a single image, and accelerating other imaging operations, including texture mapping and image-based rendering.
    • 用于实时卷处理和通用三维渲染的装置和方法。 该装置包括多个三维(3D)存储器单元; 用于提供全局水平通信的至少一个像素总线; 多个渲染管线; 至少一个几何总线; 和控制单元。 多个渲染管线各自优选地包括用于内插,着色,FIFO缓冲,通信和表查找的硬件。 本发明的装置可以耦合到几何管线,用于将表面,图像和体积一起在单个图像中混合。 用于执行3D体积的体积射线投射的方法包括以下步骤:从预定视点计算沿主投影轴的距离; 将体积分成具有指数增加界限的多个连续区域; 从视点投射多个光线通过该体积; 合并两个或更多个射线或在区域边界处分裂一个或多个射线; 并重复射线投射和合并/分割步骤直到整个体积被处理。 本发明的装置和方法实现了用于高分辨率体绘制,单个图像中的混合曲面和体积的真实实时性能,并且加速了包括纹理映射和基于图像的渲染的其他成像操作。
    • 3. 发明授权
    • Apparatus and method for real-time volume processing and universal three-dimensional rendering
    • 用于实时体积处理和通用三维渲染的装置和方法
    • US07471291B2
    • 2008-12-30
    • US11556993
    • 2006-11-06
    • Arie E. KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • Arie E. KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • G06T17/00
    • G06T15/08G06T15/06G06T15/40
    • An apparatus and method for real-time volume processing and universal three-dimensional rendering. The apparatus includes a plurality of three-dimensional (3D) memory units; at least one pixel bus for providing global horizontal communication; a plurality of rendering pipelines; at least one geometry bus; and a control unit. The apparatus includes a block processor having a circular ray integration pipeline for processing voxel data and ray data. Rays are generally processed in image order thus permitting great flexibility (e.g., perspective projection, global illumination). The block processor includes a splatting unit and a scattering unit. A method for casting shadows and performing global illumination in relation to light sources includes sweeping a two dimensional array of rays through the volume can also be implemented with the apparatus. A method for approximating a perspective projection includes using parallel projection.
    • 用于实时卷处理和通用三维渲染的装置和方法。 该装置包括多个三维(3D)存储器单元; 用于提供全局水平通信的至少一个像素总线; 多个渲染管线; 至少一个几何总线; 和控制单元。 该装置包括具有用于处理体素数据和射线数据的圆形射线集成管线的块处理器。 通常以图像顺序处理光线,从而允许很大的灵活性(例如,透视投影,全局照明)。 块处理器包括分散单元和散射单元。 用于投射阴影和执行与光源相关的全局照明的方法包括扫描通过该体积的二维阵列的射线也可以用该装置来实现。 用于近似透视投影的方法包括使用平行投影。
    • 4. 发明授权
    • Apparatus and method for volume processing and rendering
    • 用于体积处理和渲染的装置和方法
    • US07133041B2
    • 2006-11-07
    • US10204685
    • 2001-02-26
    • Arie E. KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • Arie E. KaufmanIngmar BitterFrank DachilleKevin KreegerBaoquan Chen
    • G06T15/00
    • G06T15/08G06T15/06G06T15/40
    • An apparatus and method for real-time volume processing and universal three-dimensional rendering. The apparatus includes a plurality of three-dimensional (3D) memory units; at least one pixel bus for providing global horizontal communication; a plurality of rendering pipelines; at least one geometry bus; and a control unit. The apparatus includes a block processor having a circular ray integration pipeline for processing voxel data and ray data. Rays are generally processed in image order thus permitting great flexibility (e.g., perspective projection, global illumination). The block processor includes a splatting unit and a scattering unit. A method for casting shadows and performing global illumination in relation to light sources includes sweeping a two dimensional array of rays through the volume can also be implemented with the apparatus. A method for approximating a perspective projection includes using parallel projection.
    • 用于实时卷处理和通用三维渲染的装置和方法。 该装置包括多个三维(3D)存储器单元; 用于提供全局水平通信的至少一个像素总线; 多个渲染管线; 至少一个几何总线; 和控制单元。 该装置包括具有用于处理体素数据和射线数据的圆形射线集成管线的块处理器。 通常以图像顺序处理光线,从而允许很大的灵活性(例如,透视投影,全局照明)。 块处理器包括分散单元和散射单元。 用于投射阴影和执行与光源相关的全局照明的方法包括扫描通过该体积的二维阵列的射线也可以用该装置来实现。 用于近似透视投影的方法包括使用平行投影。
    • 8. 发明申请
    • INK CARTRIDGE FOR INKJET PRINTER
    • INK墨盒喷墨打印机
    • US20130033552A1
    • 2013-02-07
    • US13582991
    • 2010-11-22
    • Baoquan ChenZhizheng Jia
    • Baoquan ChenZhizheng Jia
    • B41J2/175
    • B41J2/17513B41J2/1752B41J2/17553B41J2/17566
    • The invention relates to an ink cartridge for an inkjet printer, which comprises a cartridge body, a detection mechanism and a tension generating component, wherein the cartridge body comprises an ink storage cavity and an ink outlet; the detection mechanism for detecting the ink cartridge and the ink level comprises a first detection component which is matched with a first sensor on the printer, a second detection component which is matched with a second sensor on the printer, and an offsetting component; the second detection component comprises a movable member and a shaft which is arranged inside the cartridge body; the movable member is connected with a rotating shaft of the cartridge body through the shaft; and the tension generating component generates a tensile force to drive the movable member to move towards the direction opposite to the ink cartridge installation direction.
    • 本发明涉及一种用于喷墨打印机的墨盒,其包括盒体,检测机构和张力产生部件,其中盒体包括墨水储存腔和墨水出口; 用于检测墨盒和墨水量的检测机构包括与打印机上的第一传感器匹配的第一检测部件,与打印机上的第二传感器相匹配的第二检测部件和偏移部件; 所述第二检测部件包括设置在所述盒体内部的可动部件和轴; 可移动部件通过轴与盒体的旋转轴连接; 并且张力产生部件产生张力以驱动可动件向与墨盒安装方向相反的方向移动。