公开(公告)号：US20130188692A1

公开(公告)日：2013-07-25

申请号：US13709780

申请日：2012-12-10

Applicant: Yi-Jen Chiu ,  Wenhao Zhang ,  Lidong Xu ,  Yu Han ,  Hong Jiang

Inventor： Yi-Jen Chiu ,  Wenhao Zhang ,  Lidong Xu ,  Yu Han ,  Hong Jiang

IPC: H04N7/26

CPC classification number: H04N19/60 ,  H04N19/132 ,  H04N19/154 ,  H04N19/159 ,  H04N19/176 ,  H04N19/48

Abstract: Video compression encoding includes intra and inter prediction to reduce spatial and temporal redundancies in video. Prediction results or residuals represent differences between original video pixel values and predicted pixel values. The prediction residuals may be transformed into coefficients, referred to as transform coefficients, in the frequency domain. The transform coefficients may be quantized and entropy encoded. The transform coefficients can be sub-sampled prior to quantization to reduce their number. For example, sub-sampling may reduce more high frequency components than low frequency components represented in the transform coefficients. Therefore, sub-sampling reduces the number of transform coefficients that need to be quantized, reduces quantization complexity, and correspondingly increases throughput in the encoding.

Abstract translation: 视频压缩编码包括帧内和帧间预测，以减少视频中的空间和时间冗余。 预测结果或残差表示原始视频像素值与预测像素值之间的差异。 预测残差可以被变换为频域中被称为变换系数的系数。 可以对变换系数进行量化和熵编码。 变换系数可以在量化之前进行子采样以减少它们的数量。 例如，子采样可以减少比变换系数中表示的低频分量更多的高频分量。 因此，子采样减少了需要量化的变换系数的数量，降低了量化复杂度，并且相应地增加了编码中的吞吐量。

公开(公告)号：US20130136174A1

公开(公告)日：2013-05-30

申请号：US13512992

申请日：2011-07-12

Applicant: Lidong Xu ,  Yu Han ,  Yi-Jen Chiu ,  Wenhao Zhang

Inventor： Lidong Xu ,  Yu Han ,  Yi-Jen Chiu ,  Wenhao Zhang

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/00569 ,  H04N19/105 ,  H04N19/11 ,  H04N19/186 ,  H04N19/61 ,  H04N19/82

Abstract: Systems, devices and methods for performing luma-based chroma ultra prediction are described. Down-sample filters may be applied to luma values of luma pixel positions to generate reconstructed luma values for chroma pixel positions in a prediction unit of an intra frame. The down-sampled reconstructed luma values may then be used to predict chroma values for the chroma pixel positions. In some implementations, a reconstructed luma value of a chroma position may be used to predict that position's chroma value. In other implementations, reconstructed luma values of neighboring chroma pixel positions may be analyzed to adaptively predict a chroma value for a chroma pixel position.

Abstract translation: 描述了用于执行基于亮度的色度帧内预测的系统，设备和方法。 下采样滤波器可以应用于亮度像素位置的亮度值，以生成帧内预测单元中的色度像素位置的重建亮度值。 然后可以使用下采样的重构亮度值来预测色度像素位置的色度值。 在一些实现中，可以使用色度位置的重建亮度值来预测该位置的色度值。 在其他实现中，可以分析相邻色度像素位置的重建亮度值以自适应地预测色度像素位置的色度值。

公开(公告)号：US08446961B2

公开(公告)日：2013-05-21

申请号：US12283305

申请日：2008-09-11

Applicant: Yi-Jen Chiu ,  Hong Jiang ,  Lidong Xu ,  Ya-Ti Peng

Inventor： Yi-Jen Chiu ,  Hong Jiang ,  Lidong Xu ,  Ya-Ti Peng

IPC: H04N11/06

CPC classification number: H04N9/64 ,  H04N1/64 ,  H04N19/186 ,  H04N19/30 ,  H04N19/60

Abstract: Techniques are described that can be used to either compress or expand video. Color compression techniques are described that can be used to compress the wide color gamut content into lower color gamut for inclusion in a baseline layer. Color expansion techniques are described that convert lower color gamut data into wider color gamut format for inclusion in an enhancement layer. Both of the baseline video stream and enhancement layer video streams may be transmitted through a channel or stored in a memory device to be viewed later. Accordingly, both baseline and enhancement video layers are available so that either lower or higher quality displays can be used to display video.

Abstract translation: 描述了可用于压缩或扩展视频的技术。 描述了可用于将宽色域内容压缩到较低色域以包含在基线层中的色彩压缩技术。 描述了将较低色域数据转换成更宽的色域格式以包含在增强层中的颜色展开技术。 基线视频流和增强层视频流都可以通过信道发送或存储在存储设备中，以便稍后观看。 因此，基线和增强视频层都可用，以便可以使用较低或较高质量的显示器来显示视频。

公开(公告)号：US08405769B2

公开(公告)日：2013-03-26

申请号：US12644463

申请日：2009-12-22

Applicant: Jong Dae Oh ,  Yi-Jen Chiu

Inventor： Jong Dae Oh ,  Yi-Jen Chiu

IPC: H04N7/01

CPC classification number: H04N7/012

Abstract: Systems and methods for choosing whether to select either a spatial interpolation value or a motion compensation interpolation value for deinterlacing an interlaced frame. A minimal sum of absolute differences (SAD) may be determined for a current pixel. Depending on the magnitude of the minimal SAD relative to two threshold values, different checks may be applied. The outcome of the checks may determine whether the spatial interpolation value or the motion compensation interpolation value may be used in deinterlacing. Generally, the magnitude of the minimal SAD may determine the reliability of the SAD and the consequent trustworthiness of the associated motion vector (MV). Greater reliability of the minimal SAD may suggest that the motion compensation interpolation value may be used for purposes of deinterlacing. Less reliability in the minimal SAD may motivate additional checks to further evaluate whether the motion compensation interpolation value should be used. A less reliable minimal SAD and/or failure of some of the checks may suggest that the motion compensation interpolation value should not be used.

Abstract translation: 用于选择是否选择空间插值或用于去隔行隔行帧的运动补偿内插值的系统和方法。 可以为当前像素确定绝对差的最小和（SAD）。 根据相对于两个阈值的最小SAD的大小，可以应用不同的检查。 检查的结果可以确定空间内插值还是运动补偿内插值可以用于去隔行扫描。 通常，最小SAD的幅度可以确定SAD的可靠性和相关联的运动矢量（MV）的随后的可信度。 最小SAD的更高的可靠性可能表明运动补偿内插值可以用于去隔行扫描。 最小SAD中的较低的可靠性可能会激发额外的检查，以进一步评估是否应使用运动补偿内插值。 不太可靠的最小SAD和/或某些检查失败可能表明不应该使用运动补偿内插值。

公开(公告)号：US20120281759A1

公开(公告)日：2012-11-08

申请号：US13001037

申请日：2010-03-31

Applicant: Lidong Xu ,  Yi-Jen Chiu ,  Hong Jiang

Inventor： Lidong Xu ,  Yi-Jen Chiu ,  Hong Jiang

IPC: H04N7/32

CPC classification number: H04N19/53 ,  H04N19/105 ,  H04N19/109 ,  H04N19/174 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/37 ,  H04N19/57 ,  H04N19/573 ,  H04N19/61

Abstract: Adaptive control can use hierarchical motion estimation (HME) and/or multiple reference motion estimation (MRME) for the motion estimation of current encoding blocks. Both HME and MRME are allowed in the motion estimation to achieve a high coding gain. Control consists of slice level control and macro-block (MB) level control. A slice is one or more contiguous macroblocks. In slice level control, it is decided to use only one reference frame or use multiple reference frames to coding current slice based on the motion vectors obtained in coarse level motion estimation. In MB level control, it is decided to perform MRME or perform HME for the MB and its subblocks based on the coarse level motion vectors of the MB.

Abstract translation: 自适应控制可以对当前编码块的运动估计使用分层运动估计（HME）和/或多参考运动估计（MRME）。 在运动估计中允许HME和MRME两者实现高编码增益。 控制由片级控制和宏块（MB）级控制组成。 切片是一个或多个连续的宏块。 在片级控制中，决定仅使用一个参考帧或者使用多个参考帧来基于在粗略级运动估计中获得的运动矢量对当前片进行编码。 在MB级别控制中，决定执行MRME或基于MB的粗略级别运动向量对MB及其子块执行HME。

公开(公告)号：US20120176395A1

公开(公告)日：2012-07-12

申请号：US12985461

申请日：2011-01-06

Applicant: Ya-Ti Peng ,  Yi-Jen Chiu

Inventor： Ya-Ti Peng ,  Yi-Jen Chiu

IPC: G09G5/02

CPC classification number: G06T5/008 ,  H04N1/62

Abstract: Methods and systems to manipulate color processing parameters to allow the detection of an arbitrary color of interest. Such reconfigurations may enable general point-of-interest color processing. Color mapping curves may also be configured, to accomplish the tasks of color correction, enhancement, de-saturation, and color compression.

Abstract translation: 用于操纵颜色处理参数以允许检测感兴趣的任意颜色的方法和系统。 这样的重新配置可以实现一般的兴趣点颜色处理。 也可以配置颜色映射曲线，以完成色彩校正，增强，去饱和和色彩压缩的任务。

公开(公告)号：US08218082B2

公开(公告)日：2012-07-10

申请号：US12862175

申请日：2010-08-24

Applicant: Yi-Jen Chiu ,  Louis Lippincott

Inventor： Yi-Jen Chiu ,  Louis Lippincott

IPC: H04N5/21

CPC classification number: G06T5/002 ,  G06T5/20 ,  G06T7/13 ,  G06T2207/10016 ,  G06T2207/20012 ,  G06T2207/20192 ,  H04N19/117 ,  H04N19/14 ,  H04N19/85 ,  H04N19/86

Abstract: A method includes selecting a target pixel and comparing a value of the target pixel with a respective value of each of a plurality of pixels located in an area that includes the target pixel. Further, for each pixel of the plurality of pixels that has a value different by at least a threshold amount from the value of the target pixel, the value of such pixel is replaced by the value of the target pixel. A filter function is applied to a set of pixels which includes the value of the target pixel and current values, after the selective replacement step, of the plurality of pixels.

Abstract translation: 一种方法包括选择目标像素并将目标像素的值与位于包括目标像素的区域中的多个像素中的每一个的相应值进行比较。 此外，对于具有与目标像素的值相差至少阈值的值的多个像素中的每个像素，这样的像素的值被目标像素的值代替。 滤波器函数被应用于包括多个像素的选择性替换步骤之后的目标像素的值和当前值的像素集合。

公开(公告)号：US20120134418A1

公开(公告)日：2012-05-31

申请号：US13367449

申请日：2012-02-07

Applicant: Yi-Jen Chiu ,  Prasenjit Biswas

Inventor： Yi-Jen Chiu ,  Prasenjit Biswas

IPC: H04N7/26 ,  H04N7/28

CPC classification number: H04N19/44 ,  H04N19/112 ,  H04N19/129 ,  H04N19/174 ,  H04N19/176 ,  H04N19/196 ,  H04N19/197 ,  H04N19/61 ,  H04N19/70

Abstract: A system, apparatus, method, and article to process a flexible macroblock ordering and arbitrary slice ordering are described. The apparatus may include a video decoder. The video decoder includes a processor to store coding parameters of one or more neighboring macroblocks in a data buffer. The neighboring macroblocks are previously decoded macroblocks and are adjacent to a current macroblock. The processor is to store control parameters for each of the one or more neighboring macroblocks in the data buffer. The processor is to reconstruct coding parameters for the current macroblock using availability information associated with the neighboring macroblocks.

Abstract translation: 描述了处理柔性宏块排序和任意片排序的系统，装置，方法和制品。 该装置可以包括视频解码器。 视频解码器包括处理器，用于存储数据缓冲器中的一个或多个相邻宏块的编码参数。 相邻宏块是先前解码的宏块，并且与当前宏块相邻。 处理器用于存储数据缓冲器中的一个或多个相邻宏块中的每一个的控制参数。 处理器使用与相邻宏块相关联的可用性信息来重构当前宏块的编码参数。

公开(公告)号：US08068112B2

公开(公告)日：2011-11-29

申请号：US12643884

申请日：2009-12-21

Applicant: Yi-Jen Chiu ,  Mei-Chen Yeh

Inventor： Yi-Jen Chiu ,  Mei-Chen Yeh

IPC: G06T15/00

CPC classification number: H04N19/573 ,  H04N19/423 ,  H04N19/61

Abstract: A system, apparatus, method and article to perform buffering techniques are described. The apparatus may include a buffer having a fixed number of storage slots that store reconstructed picture representations received from an image processing module. Also, the apparatus may include a buffer status unit to store a multiple information items to indicate one or more buffer characteristics of the buffer. Further, the apparatus may include a buffer control module to manage storage within the buffer.

Abstract translation: 描述了执行缓冲技术的系统，装置，方法和制品。 该装置可以包括具有固定数量的存储时隙的缓冲器，其存储从图像处理模块接收的重构图像表示。 此外，该装置可以包括缓冲器状态单元，用于存储多个信息项以指示缓冲器的一个或多个缓冲器特性。 此外，该装置可以包括用于管理缓冲器内的存储器的缓冲器控制模块。

公开(公告)号：US07983501B2

公开(公告)日：2011-07-19

申请号：US11693453

申请日：2007-03-29

Applicant: Yi-Jen Chiu

Inventor： Yi-Jen Chiu

IPC: G06K9/40 ,  H04N1/409 ,  H04N5/00

CPC classification number: H04N17/00 ,  G06T5/002 ,  G06T5/20 ,  G06T7/13 ,  G06T2207/10016 ,  G06T2207/20008 ,  G06T2207/20032 ,  H04N5/142 ,  H04N5/21

Abstract: A method of filtering noise from a picture may include determining a set of pixel noise metrics for a set of selected pixels in the picture based solely on information from the set of selected pixels in the picture. The method may also designate as valid a subset of pixel noise metrics in the set of pixel noise metrics those associated pixels are not located at an edge or are not located in a complicated area of the picture. A set of block noise metrics may be calculated from the valid subset of pixel noise metrics, and a global noise metric for the picture may be ascertained from the set of block noise metrics. The picture may be filtered using the global noise metric to generate a filtered picture.

Abstract translation: 过滤来自图像的噪声的方法可以包括仅基于来自图像中的所选择的像素的集合的信息来确定图像中的一组所选像素的像素噪声度量的集合。 该方法还可以将像素噪声度量集合中的像素噪声度量的子集指定为相关像素不位于边缘处或者不位于图像的复杂区域中的子集。 可以从像素噪声度量的有效子集计算一组块噪声度量，并且可以从块噪声度量的集合中确定图像的全局噪声度量。 可以使用全局噪声度量来对图像进行滤波以产生滤波图像。