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公开(公告)号：US09232156B1
公开(公告)日：2016-01-05
申请号：US14492573
申请日：2014-09-22
摘要： A video processing device for generating an output video stream on the basis of two or more concurrent input video streams and a method thereof are described. Each input video stream comprises a sequence of input images. The output video stream comprises a sequence of output images. The video processing device generates each output image by merging a respective set of input images. The set of input images comprises one input image from each input video stream. The video processing device merges the input images in a series of merging rounds. Each merging round comprises forming an output tile by merging a set of input tiles, and writing the output tile to an output memory unit. The set of input tiles comprises one input tile from each input image of the respective set of input images. The output tiles written to the output memory unit represent the output image.
摘要翻译： 描述了用于基于两个或多个并发输入视频流生成输出视频流的视频处理设备及其方法。 每个输入视频流包括一系列输入图像。 输出视频流包括一系列输出图像。 视频处理装置通过合并各组输入图像来生成每个输出图像。 该组输入图像包括来自每个输入视频流的一个输入图像。 视频处理设备在一系列合并回合中合并输入图像。 每个合并包括通过合并一组输入瓦片形成输出瓦片，以及将输出瓦片写入输出存储器单元。 该组输入图块包括来自相应输入图像集合的每个输入图像的一个输入图块。 写入输出存储单元的输出贴片表示输出图像。
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公开(公告)号：US09558373B2
公开(公告)日：2017-01-31
申请号：US14563139
申请日：2014-12-08
摘要： A 3D graphics system uses encryption keys to decrypt received and stored texture tiles of a texture in accordance with received and stored texture tile status data which indicates whether a texture tiles is encrypted or not and which one of the encryption keys is used. The decrypted texture tiles are rendered and at least a plurality of the rendered tiles is encrypted. The encrypted rendered tiles are stored in a frame buffer. Buffer tile status data is stored which indicates whether a rendered tile is encrypted or not before storage in the frame buffer, and which one of the encryption keys has been used. The encrypted rendered tiles stored in the frame buffer are decrypted in accordance with the buffer tile status data.
摘要翻译： 3D图形系统使用加密密钥来根据接收和存储的纹理瓦片状态数据来解密纹理的接收和存储的纹理瓦片，该纹理瓦片状态数据指示纹理瓦片是否被加密，以及使用哪个加密密钥。 解密的纹理图块被渲染，并且至少多个渲染的图块被加密。 加密的渲染瓦片被存储在帧缓冲器中。 存储缓冲区块状态数据，其指示在帧缓冲器中存储之前是否加密了已渲染的块，并且已经使用了哪个加密密钥。 存储在帧缓冲器中的加密渲染瓦片根据缓冲器瓦片状态数据被解密。
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公开(公告)号：US09307249B2
公开(公告)日：2016-04-05
申请号：US14310005
申请日：2014-06-20
IPC分类号： G06K9/46 , H04N19/136 , H04N19/167 , G06T1/20 , G06T9/20 , G06T11/00 , H04N19/119 , H04N19/14 , H04N19/436
CPC分类号： H04N19/136 , G06T1/20 , G06T9/20 , G06T11/00 , H04N19/119 , H04N19/14 , H04N19/167 , H04N19/436
摘要： The present application relates an encoder. The encoder partitions an image domain into several substructures each having one of at least one size dimension, and defines at least one geometric primitive for each substructure on the basis of geometry data. The encoder also retrieves, for each substructure, a subset of image data and determines whether pixel values of the retrieved subset are the same. If the pixel values are describable by a texture mapping operation, then the encoder defines a compressed texture image and assigns texture mapping data to the geometry data. Otherwise, the encoder defines an uncompressed texture image and assigns texture mapping data to the geometry data. The compressed image includes the geometry data, the texture mapping data, and the texture image data.
摘要翻译： 本申请涉及一种编码器。 编码器将图像域划分为几个子结构，每个子结构具有至少一个尺寸尺寸之一，并且基于几何数据为每个子结构定义至少一个几何基元。 编码器还为每个子结构检索图像数据的子集，并确定检索到的子集的像素值是否相同。 如果通过纹理映射操作描述像素值，则编码器定义压缩纹理图像，并将纹理映射数据分配给几何数据。 否则，编码器定义未压缩的纹理图像，并将纹理映射数据分配给几何数据。 压缩图像包括几何数据，纹理映射数据和纹理图像数据。
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