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    • 62. 发明申请
    • SINGLE-PASS BOUNDING BOX CALCULATION
    • 单通道边框计算
    • US20100188404A1
    • 2010-07-29
    • US12361676
    • 2009-01-29
    • Xin TongChen LiJinyu Li
    • Xin TongChen LiJinyu Li
    • G06T15/60
    • G06T15/005G06T11/40G06T2210/12
    • Embodiments for single-pass bounding box calculation are disclosed. In accordance with one embodiment, the single-pass bounding box calculation includes rendering a first target to a 2-dimensional screen space, whereby the first target includes at least six pixels. The calculation further includes producing transformed vertices in a set of geometry primitives based on an application-specified transformation. The calculation also includes generating six new points for each transformed vertex in the set of geometry primitives. The calculation additionally includes producing an initial third coordinate value for each pixel by rendering the at least six new points generate for each pixel to each corresponding pixel. The calculation further includes producing a post-rasterization value for each pixel by rasterizing the at least six new points rendered to each pixel with each corresponding pixel. Finally, the calculation includes computing bounding box information for the set of geometry primitives based on the produced third coordinate values.
    • 公开了单程界限框计算的实施例。 根据一个实施例,单程界限框计算包括将第一目标渲染到二维屏幕空间,由此第一目标包括至少六个像素。 该计算还包括基于应用指定的变换在一组几何图元中产生经变换的顶点。 该计算还包括为几何图元集合中的​​每个变换的顶点生成六个新点。 该计算另外包括通过将针对每个像素生成的至少六个新点渲染到每个对应像素来产生每个像素的初始第三坐标值。 该计算还包括通过用每个对应的像素光栅化渲染到每个像素的至少六个新点来为每个像素产生光栅后值。 最后,计算包括基于产生的第三坐标值来计算几何图元集合的边界框信息。
    • 64. 发明申请
    • Selecting encoding types and predictive modes for encoding video data
    • 选择用于编码视频数据的编码类型和预测模式
    • US20050286630A1
    • 2005-12-29
    • US11070778
    • 2005-03-01
    • Xin TongXiaochun Nie
    • Xin TongXiaochun Nie
    • H04N7/26H04B1/66H04N7/12H04N11/02H04N11/04
    • H04N19/00H04N19/103H04N19/105H04N19/107H04N19/119H04N19/136H04N19/14H04N19/147H04N19/176H04N19/51H04N19/57H04N19/593
    • In some embodiments, a method of determining encoding type and predictive mode(s) selections for a macroblock of a video frame is provided. In some embodiments, a general method 1) selects the encoding type (16×16 or 4×4) that is initially considered for a macroblock using an encoding type selection algorithm (based on an attribute of the macroblock that is easy to compute), 2) if the 16×16 encoding type is selected in step 1, consider the four 16×16 prediction modes that may be used on the macroblock using conventional methods or an improved 16×16 predictive mode search algorithm based on distortion thresholds, and 3) if the 4×4 encoding type is selected in step 1, select the 4×4 prediction mode to be used for each of the sixteen 4×4 blocks of the macroblock using conventional methods or an improved 4×4 predictive mode search algorithm based on the positional relationships between predictive modes.
    • 在一些实施例中,提供了确定视频帧的宏块的编码类型和预测模式选择的方法。 在一些实施例中,一般方法1)使用编码类型选择算法(基于容易计算的宏块的属性)来选择最初考虑用于宏块的编码类型(16×16或4×4),2)如果 在步骤1中选择16×16编码类型,考虑可以使用常规方法在宏块上使用的四个16×16预测模式或基于失真阈值的改进的16x16预测模式搜索算法,以及3)如果在步骤中选择4×4编码类型 如图1所示,使用常规方法或基于预测模式之间的位置关系的改进的4×4预测模式搜索算法来选择要用于宏块的十六个4×4块中的每一个的4×4预测模式。
    • 66. 发明申请
    • METHOD AND DEVICE FOR DETERMINING AVAILABLE SPECTRUMS
    • 用于确定可用光谱的方法和装置
    • US20150163080A1
    • 2015-06-11
    • US14239223
    • 2012-08-10
    • Yuanyuan LiYeming TangWenling BaiChenggang JiangYu YangXiaolu WangXin Tong
    • Yuanyuan LiYeming TangWenling BaiChenggang JiangYu YangXiaolu WangXin Tong
    • H04L27/00H04W16/14
    • H04L27/0006H04W16/14
    • A method and device for determining available spectrums is disclosed in embodiments of the present invention. By applying the technical solution of the embodiments of the present invention, with consideration on the bi-directionality of the interference between wireless communication systems, when introduction of the cognitive system is required, the corresponding frequency will be determined as an available frequency only in the case the incumbent system and the cognitive system can be simultaneously guaranteed to meet the corresponding coexistence criterion among the corresponding frequency and adjacent frequencies thereof, thus ensuring that the determined available frequency band guarantees that the normal operation of the incumbent system is not interfered by the cognitive system while ensuring that the newly-introduced cognitive system can also operate normally without interference of the incumbent system, thereby improving the communication quality of the wireless communication systems.
    • 在本发明的实施例中公开了一种用于确定可用频谱的方法和装置。 通过应用本发明的实施例的技术方案,考虑到无线通信系统之间的干扰的双向性,当需要引入认知系统时,相应的频率将仅被确定为可用频率 可以同时保证现有系统和认知系统在相应的频率和相邻频率之间达到相应的共存标准,从而确保确定的可用频带保证现有系统的正常运行不受认知干扰 系统,同时确保新引入的认知系统也可以正常工作而不受现任系统的干扰,从而提高无线通信系统的通信质量。
    • 70. 发明授权
    • Single-pass bounding box calculation
    • 单程边界计算
    • US08217962B2
    • 2012-07-10
    • US12361676
    • 2009-01-29
    • Xin TongChen LiJinyu Li
    • Xin TongChen LiJinyu Li
    • G09G5/00G06T15/00G06T15/40
    • G06T15/005G06T11/40G06T2210/12
    • Embodiments for single-pass bounding box calculation are disclosed. In accordance with one embodiment, the single-pass bounding box calculation includes rendering a first target to a 2-dimensional screen space, whereby the first target includes at least six pixels. The calculation further includes producing transformed vertices in a set of geometry primitives based on an application-specified transformation. The calculation also includes generating six new points for each transformed vertex in the set of geometry primitives. The calculation additionally includes producing an initial third coordinate value for each pixel by rendering the at least six new points generate for each pixel to each corresponding pixel. The calculation further includes producing a post-rasterization value for each pixel by rasterizing the at least six new points rendered to each pixel with each corresponding pixel. Finally, the calculation includes computing bounding box information for the set of geometry primitives based on the produced third coordinate values.
    • 公开了单程界限框计算的实施例。 根据一个实施例,单程界限框计算包括将第一目标渲染到二维屏幕空间,由此第一目标包括至少六个像素。 该计算还包括基于应用指定的变换在一组几何图元中产生经变换的顶点。 该计算还包括为几何图元集合中的​​每个变换的顶点生成六个新点。 该计算另外包括通过将针对每个像素生成的至少六个新点渲染到每个对应像素来产生每个像素的初始第三坐标值。 该计算还包括通过用每个对应的像素光栅化渲染到每个像素的至少六个新点来为每个像素产生光栅后值。 最后,计算包括基于产生的第三坐标值来计算几何图元集合的边界框信息。