公开(公告)号：US11563945B2

公开(公告)日：2023-01-24

申请号：US16588975

申请日：2019-09-30

Applicant: Advanced Micro Devices, Inc. ,  ATI Technologies ULC

Inventor： Jiao Wang ,  Ying Zhang ,  Richard George ,  Edward A. Harold ,  Zhenhua Yang

IPC: H04N19/124 ,  H04N19/13 ,  H04N19/146 ,  H04N19/172 ,  H04N19/176 ,  H04N19/182 ,  H04N19/196

Abstract: A technique for determining an adaptive quantization parameter offset for a block of encoded video includes obtaining a rate control factor for the quantization parameter, determining a content-based quantization parameter factor for the quantization parameter, determining an adaptive variance based quantization offset based on content-based quantization parameter factors for a frame prior to the current frame, and combining the rate control factor, the content-based quantization parameter factor, and the adaptive offset to generate the quantization parameter.

公开(公告)号：US20210099705A1

公开(公告)日：2021-04-01

申请号：US16588975

申请日：2019-09-30

Applicant: Advanced Micro Devices, Inc. ,  ATI Technologies ULC

Inventor： Jiao Wang ,  Ying Zhang ,  Richard George ,  Edward A. Harold ,  Zhenhua Yang

IPC: H04N19/124 ,  H04N19/146 ,  H04N19/182 ,  H04N19/176 ,  H04N19/172 ,  H04N19/196 ,  H04N19/13

Abstract: A technique for determining an adaptive quantization parameter offset for a block of encoded video includes obtaining a rate control factor for the quantization parameter, determining a content-based quantization parameter factor for the quantization parameter, determining an adaptive variance based quantization offset based on content-based quantization parameter factors for a frame prior to the current frame, and combining the rate control factor, the content-based quantization parameter factor, and the adaptive offset to generate the quantization parameter.

公开(公告)号：US11706415B2

公开(公告)日：2023-07-18

申请号：US17134948

申请日：2020-12-28

Applicant: ADVANCED MICRO DEVICES, INC. ,  ATI TECHNOLOGIES ULC

Inventor： Mehdi Semsarzadeh ,  Jiao Wang ,  Yao Wen Yu ,  Edward Harold ,  Richard E. George

IPC: H04N19/124 ,  H04N19/132 ,  H04N19/176

CPC classification number: H04N19/124 ,  H04N19/132 ,  H04N19/176

Abstract: Still frame detection for single pass video data, including: determining that an average quantization parameter of a frame of video data falls below a quantization parameter threshold; determining whether an amount of skipped macroblocks in the frame meets a skipped macroblock threshold; and responsive to the amount of skipped macroblocks exceeding the skipped macroblock threshold, identifying the frame as a still frame.

公开(公告)号：US20150098507A1

公开(公告)日：2015-04-09

申请号：US14046095

申请日：2013-10-04

Applicant: ATI Technologies ULC

Inventor： Jiao Wang

IPC: H04N19/597 ,  H04N19/423 ,  H04N19/51

CPC classification number: H04N19/513 ,  H04N7/147 ,  H04N19/597 ,  H04N21/2365

Abstract: A motion estimation apparatus and method (carried out electronically) provides for encoding of multiview video, such as stereoscopic video, by providing motion estimation for pixels in a dependent eye view, using motion vector information from a colocated group of pixels in a base eye view and neighboring pixels to the colocated group of pixels in the base eye view. The method and apparatus encodes a group of pixels in a dependent eye view based on the estimated motion vector information. The method and apparatus may also include obtaining a frame of pixels that includes both base eye view pixels and dependent eye pixels so that, for example, frame compatible format packing can be employed. In one example, estimating the motion vector information for a block of pixels, for example, in a dependent eye view is based on a median value calculation of motion vectors for a block of pixels in a base eye view and motion vectors for neighboring blocks of pixels to the colocated group of pixels in the base eye view. An apparatus and method may include transmitting the encoded dependent eye view and base eye view information to another device and decoding the encoded dependent eye view and base eye view information for display.

Abstract translation: 运动估计装置和方法（以电子方式执行）通过使用来自基眼视图中来自共坐标像组的运动矢量信息，通过提供依赖眼视图中的像素的运动估计来提供多视图视频（例如立体视频）的编码 以及基眼视图中的被配置的像素组的相邻像素。 该方法和装置基于所估计的运动矢量信息对依赖眼视图中的一组像素进行编码。 所述方法和装置还可以包括获得包括基本眼视图像素和从属眼睛像素的像素帧，使得例如可以采用帧兼容格式包装。 在一个示例中，例如在依赖眼视图中估计用于像素块的运动矢量信息是基于基眼视图中的像素块的运动矢量的中值计算和相邻块的相邻块的运动矢量 像素到基眼视图中的共坐标像素组。 一种装置和方法可以包括将经编码的依赖眼视图和基本眼视图信息发送到另一设备，并且解码编码的依赖眼视图和基础眼视图信息以供显示。

公开(公告)号：US20150071339A1

公开(公告)日：2015-03-12

申请号：US14021185

申请日：2013-09-09

Applicant: ATI Technologies ULC

Inventor： Jiao Wang

IPC: H04N19/51 ,  H04N19/583 ,  H04N19/567 ,  H04N19/103

CPC classification number: H04N19/109 ,  H04N19/137 ,  H04N19/147 ,  H04N19/176 ,  H04N19/19 ,  H04N19/40 ,  H04N19/59

Abstract: A method and apparatus are described for performing video encoding mode decisions. A down-scaled frame is received that includes a macroblock corresponding to a first subset of macroblocks of a first area in a full-scale frame. A first average motion vector is calculated for the first subset of macroblocks, and a second average motion vector is calculated for a second subset of macroblocks of a second area surrounding the first subset of macroblocks. A comparison of a threshold to a distance measure between absolute values of the first and second average motion vectors is performed. A prediction mode for the macroblock in the down-scaled frame is determined based on the comparison to generate predicted blocks.

Abstract translation: 描述了用于执行视频编码模式决定的方法和装置。 接收缩小的帧，其包括对应于全刻度帧中的第一区域的宏块的第一子集的宏块。 针对宏块的第一子集计算第一平均运动矢量，并且针对第一宏块子集的第二区域的宏块的第二子集计算第二平均运动矢量。 执行阈值与第一和第二平均运动矢量的绝对值之间的距离测量的比较。 基于比较来确定缩小帧中的宏块的预测模式，以生成预测块。

公开(公告)号：US11682465B2

公开(公告)日：2023-06-20

申请号：US17491164

申请日：2021-09-30

Applicant: ATI Technologies ULC

Inventor： Zheng Gong ,  Jiao Wang ,  Zhenhua Yang

IPC: G11C17/16 ,  G11C17/18 ,  H01L23/525 ,  G11C29/44 ,  G11C29/02 ,  H01L23/48 ,  H10B20/20

CPC classification number: G11C17/16 ,  G11C17/18 ,  G11C29/027 ,  G11C29/44 ,  H01L23/481 ,  H01L23/5256 ,  H10B20/20

Abstract: An integrated circuit includes a TSV extending from a first surface of a semiconductor substrate to a second surface of the semiconductor substrate and having a first end and a second end, and a non-volatile repair circuit. The non-volatile repair circuit includes a one-time programmable (OTP) element having a programming terminal, wherein in response to an application of a fuse voltage to the programming terminal, the OTP element electrically couples the first end of the TSV to the second end of the TSV.

公开(公告)号：US20200169760A1

公开(公告)日：2020-05-28

申请号：US16203326

申请日：2018-11-28

Applicant: ATI Technologies ULC

Inventor： Jiao Wang ,  Lei Zhang ,  Ying Zhang ,  Edward A. Harold

IPC: H04N19/87 ,  H04N19/142 ,  H04N19/132 ,  H04N19/159 ,  H04N19/179 ,  H04N19/176

Abstract: Systems, methods, and devices for scene change detection and image encoding. A sequence of image frames is input. For a first image frame of the sequence, a first total sum of absolute transformed differences (SATD) is calculated. For a second frame of the sequence, a second total SATD is calculated. An absolute difference between the first total SATD and the second total SATD is calculated. If the absolute difference meets or exceeds a threshold, the second frame and a third frame of the sequence subsequent to the second frame are encoded based on a scene change, and the second frame and the third frame are transmitted. If the absolute difference does not meet or exceed the threshold, the second frame is encoded based on a same scene and the second frame is transmitted.

公开(公告)号：US10045003B2

公开(公告)日：2018-08-07

申请号：US15099247

申请日：2016-04-14

Applicant: ATI Technologies ULC

Inventor： Jiao Wang ,  Mohamed K. Cherif

IPC: H04N13/00 ,  H04N19/103 ,  H04N19/597 ,  H04N19/139 ,  H04N19/176 ,  H04N19/147

Abstract: A method for determining a macroblock (MB) coding mode for a current MB in a dependent view. A window around a co-located MB in a base view is determined, wherein the co-located MB is a MB in the base view having a same location as the current MB in the dependent view. A coding mode complexity value (CMCV) is determined for each MB in the window, wherein the CMCV is based on a coding mode used to encode the MB. Rate distortion optimization (RDO) is performed for the current MB using a reduced number of coding modes if a total CMCV for all MBs in the window is less than a threshold, or using all supported coding modes if the total CMCV for all MBs in the window is greater than the threshold. A coding mode for the current MB is determined based on the RDO results.

公开(公告)号：US20140354771A1

公开(公告)日：2014-12-04

申请号：US13904766

申请日：2013-05-29

Applicant: ATI Technologies ULC

Inventor： Jiao Wang ,  Gabor Sines

IPC: H04N13/00

CPC classification number: H04N19/30 ,  H04N19/503 ,  H04N19/52 ,  H04N19/56 ,  H04N19/597

Abstract: An efficient motion estimation method and apparatus for 3D stereo video encoding is described herein. In an embodiment of the method, an enhancement layer motion vector for a frame is determined by obtaining a motion vector of a co-located macroblock (MB) from the same frame of a base layer. The motion vectors of a predetermined number of surrounding MBs from the same frame of the base layer are also obtained. A predicted motion vector for the MB of the frame in the enhancement layer is determined using, for example, a median value from the motion vectors associated with the co-located MB and the predetermined number of surrounding MBs. A small or less than full range motion refinement is performed to obtain a final motion vector, where full range refers to the maximum search range supported by an encoder performing the method.

Abstract translation: 本文描述了一种用于3D立体视频编码的高效运动估计方法和装置。 在该方法的实施例中，通过从基本层的相同帧获得同位置宏块（MB）的运动矢量来确定用于帧的增强层运动矢量。 还获得了来自基层的同一帧的预定数量的周围MB的运动矢量。 使用例如来自与同位置MB和预定数量的周围MB相关联的运动向量的中值来确定增强层中的帧的MB的预测运动矢量。 执行小或小于全范围运动细化以获得最终运动矢量，其中全范围是指由执行该方法的编码器支持的最大搜索范围。

公开(公告)号：US20230102669A1

公开(公告)日：2023-03-30

申请号：US17491164

申请日：2021-09-30

Applicant: ATI Technologies ULC

Inventor： Zheng Gong ,  Jiao Wang ,  Zhenhua Yang

IPC: G11C17/16 ,  G11C17/18 ,  H01L23/525 ,  H01L23/48 ,  H01L27/112 ,  G11C29/02 ,  G11C29/44

Abstract: An integrated circuit includes a TSV extending from a first surface of a semiconductor substrate to a second surface of the semiconductor substrate and having a first end and a second end, and a non-volatile repair circuit. The non-volatile repair circuit includes a one-time programmable (OTP) element having a programming terminal, wherein in response to an application of a fuse voltage to the programming terminal, the OTP element electrically couples the first end of the TSV to the second end of the TSV.