ENHANCED IMAGE/VIDEO QUALITY THROUGH ARTIFACT EVALUATION
    1.
    发明申请
    ENHANCED IMAGE/VIDEO QUALITY THROUGH ARTIFACT EVALUATION 有权
    通过艺术评估提高图像/视频质量

    公开(公告)号:US20110075037A1

    公开(公告)日:2011-03-31

    申请号:US12965571

    申请日:2010-12-10

    IPC分类号: H04N5/00

    摘要: In an image/video encoding and decoding system employing an artifact evaluator a method and/or apparatus to process video blocks comprising a decoder operable to synthesize an un-filtered reconstructed video block or frame and an artifact filter operable to receive the un-filtered reconstructed video block or frame, which generates a filtered reconstructed video block or frame. A memory buffer operable to store either the filtered reconstructed video block or frame or the un-filtered reconstructed video block or frame, and an artifact evaluator operable to update the memory buffer after evaluating and determining which of the filtered video block or frame, or the un-filtered video block or frame yields better image/video quality.

    摘要翻译: 在使用伪影评估器的图像/视频编码和解码系统中,处理视频块的方法和/或装置包括可操作以合成未经滤波的重构视频块或帧的解码器和可伪造的未重构 视频块或帧,其生成经滤波的重构视频块或帧。 存储器缓冲器,其可操作以存储经滤波的重建视频块或帧或未经滤波的重构视频块或帧,以及伪像评估器,其可操作以在评估和确定滤波后的视频块或帧中的哪一个或 未经滤波的视频块或帧产生更好的图像/视频质量。

    Enhanced image/video quality through artifact evaluation
    2.
    发明授权
    Enhanced image/video quality through artifact evaluation 有权
    通过神器评估增强图像/视频质量

    公开(公告)号:US08391622B2

    公开(公告)日:2013-03-05

    申请号:US12965571

    申请日:2010-12-10

    IPC分类号: G06K9/36

    摘要: In an image/video encoding and decoding system employing an artifact evaluator a method and/or apparatus to process video blocks comprising a decoder operable to synthesize an un-filtered reconstructed video block or frame and an artifact filter operable to receive the un-filtered reconstructed video block or frame, which generates a filtered reconstructed video block or frame. A memory buffer operable to store either the filtered reconstructed video block or frame or the un-filtered reconstructed video block or frame, and an artifact evaluator operable to update the memory buffer after evaluating and determining which of the filtered video block or frame, or the un-filtered video block or frame yields better image/video quality.

    摘要翻译: 在使用伪像评估器的图像/视频编码和解码系统中,处理视频块的方法和/或装置包括可操作以合成未经滤波的重建视频块或帧的解码器和可伪造的未重构 视频块或帧,其生成经滤波的重构视频块或帧。 存储器缓冲器,其可操作以存储经滤波的重建视频块或帧或未经滤波的重构视频块或帧,以及伪像评估器,其可操作以在评估和确定滤波后的视频块或帧中的哪一个或 未经滤波的视频块或帧产生更好的图像/视频质量。

    Enhanced image/video quality through artifact evaluation
    3.
    发明授权
    Enhanced image/video quality through artifact evaluation 有权
    通过神器评估增强图像/视频质量

    公开(公告)号:US07873224B2

    公开(公告)日:2011-01-18

    申请号:US11366787

    申请日:2006-03-01

    IPC分类号: G06K9/36

    摘要: In an image/video encoding and decoding system employing an artifact evaluator a method and/or apparatus to process video blocks comprising a decoder operable to synthesize an un-filtered reconstructed video block or frame and an artifact filter operable to receive the un-filtered reconstructed video block or frame, which generates a filtered reconstructed video block or frame. A memory buffer operable to store either the filtered reconstructed video block or frame or the un-filtered reconstructed video block or frame, and an artifact evaluator operable to update the memory buffer after evaluating and determining which of the filtered video block or frame, or the un-filtered video block or frame yields better image/video quality.

    摘要翻译: 在使用伪影评估器的图像/视频编码和解码系统中,处理视频块的方法和/或装置包括可操作以合成未经滤波的重构视频块或帧的解码器和可伪造的未重构 视频块或帧,其生成经滤波的重构视频块或帧。 存储器缓冲器,其可操作以存储经滤波的重建视频块或帧或未经滤波的重构视频块或帧,以及伪像评估器,其可操作以在评估和确定滤波后的视频块或帧中的哪一个或 未经滤波的视频块或帧产生更好的图像/视频质量。

    Adaptive spatial variant interpolation for image upscaling
    5.
    发明授权
    Adaptive spatial variant interpolation for image upscaling 有权
    用于图像放大的自适应空间变异插值

    公开(公告)号:US09013511B2

    公开(公告)日:2015-04-21

    申请号:US11502233

    申请日:2006-08-09

    IPC分类号: G09G5/00 G06T3/40

    CPC分类号: G06T3/4007

    摘要: This disclosure describes adaptive spatial variant interpolation (SVI) techniques for image upscaling. In various embodiments, the interpolation techniques described in this disclosure may support low complexity upscaling of image while promoting high image quality, including enhanced sharpness, higher contrast and more accurate interpolation. The interpolation techniques may be applied using generalized finite impulse response (FIR) filters. In some embodiments, the interpolation techniques may be content-adaptive to provide more accurate interpolation while suppressing significant artifacts associated with sharp edges. In addition, the interpolation techniques may be readily applicable to upscaling of color imagery and video, e.g., in both YCbCr (luminance, blue chrominance, red chrominance) and RGB (red, green, blue) formats.

    摘要翻译: 本公开描述了用于图像升高的自适应空间变异插值(SVI)技术。 在各种实施例中,本公开中描述的内插技术可以支持图像的低复杂度升高,同时促进高图像质量,包括增强的清晰度,更高的对比度和更精确的插值。 可以使用广义有限脉冲响应(FIR)滤波器来应用插值技术。 在一些实施例中,插值技术可以是内容自适应的,以提供更精确的内插,同时抑制与锐利边缘相关联的显着伪像。 此外,插值技术可以容易地应用于例如YCbCr(亮度,蓝色色度,红色色度)和RGB(红色,绿色,蓝色)格式的彩色图像和视频的放大。

    Region-of-interest extraction for video telephony
    6.
    发明授权
    Region-of-interest extraction for video telephony 有权
    视频电话利益提取领域

    公开(公告)号:US08977063B2

    公开(公告)日:2015-03-10

    申请号:US11182432

    申请日:2005-07-15

    摘要: The disclosure is directed to techniques for region-of-interest (ROI) processing for video telephony (VT) applications. According to the disclosed techniques, a recipient device defines ROI information for video information transmitted by a sender device, i.e., far-end video information. The recipient device transmits the ROI information to the sender device. Using the ROI information transmitted by the recipient device, the sender device applies preferential encoding to an ROI within a video scene. ROI extraction may be applied to process a user description of a region of interest (ROI) to generate information specifying the ROI based on the description. The user description may be textual, graphical, or speech-based. An extraction module applies appropriate processing to generated the ROI information from the user description. The extraction module may locally reside with a video communication device, or reside in a distinct intermediate server configured for ROI extraction.

    摘要翻译: 本公开涉及用于视频电话(VT)应用的感兴趣区域(ROI)处理技术。 根据所公开的技术,接收者设备定义由发送者设备发送的视频信息的ROI信息,即远端视频信息。 收件人设备将ROI信息发送给发送者设备。 使用由收件人设备发送的ROI信息,发送者设备对视频场景内的ROI应用优先编码。 可以应用ROI提取来处理感兴趣区域(ROI)的用户描述,以基于描述生成指定ROI的信息。 用户描述可以是文本的,图形的或基于语音的。 提取模块应用适当的处理从用户描述生成ROI信息。 提取模块可以本地驻留有视频通信设备,或者驻留在配置用于ROI提取的不同中间服务器中。

    Encoder-assisted adaptive video frame interpolation
    7.
    发明授权
    Encoder-assisted adaptive video frame interpolation 有权
    编码器辅助自适应视频帧插值

    公开(公告)号:US08861601B2

    公开(公告)日:2014-10-14

    申请号:US11112531

    申请日:2005-04-22

    摘要: The disclosure is directed to techniques for encoder-assisted adaptive interpolation of video frames. According to the disclosed techniques, an encoder generates information to assist a decoder in interpolation of a skipped video frame, i.e., an S frame. The information permits the decoder to reduce visual artifacts in the interpolated frame and thereby achieve improved visual quality. The information may include interpolation equation labels that identify selected interpolation equations to be used by the decoder for individual video blocks. As an option, to conserve bandwidth, the equation labels may be transmitted for only selected video blocks that meet a criterion for encoder-assisted interpolation. Other video blocks without equation labels may be interpolated according to a default interpolation technique.

    摘要翻译: 本公开涉及视频帧的编码器辅助自适应插值技术。 根据所公开的技术,编码器生成信息以帮助解码器插入跳过的视频帧,即S帧。 该信息允许解码器减少内插帧中的视觉伪影,从而实现改善的视觉质量。 该信息可以包括识别用于各个视频块的由解码器使用的所选内插方程的内插方程标签。 作为选择,为了节省带宽,可以仅针对满足编码器辅助插值的准则的所选择的视频块来发送等式标签。 没有等式标签的其他视频块可以根据默认内插技术进行内插。

    PICTURE-IN-PICTURE PROCESSING FOR VIDEO TELEPHONY
    8.
    发明申请
    PICTURE-IN-PICTURE PROCESSING FOR VIDEO TELEPHONY 有权
    图像图像处理视频电话

    公开(公告)号:US20130033564A1

    公开(公告)日:2013-02-07

    申请号:US13290060

    申请日:2011-11-05

    IPC分类号: H04N7/14

    CPC分类号: H04N7/147 H04N2007/145

    摘要: The disclosure is directed to techniques for picture-in-picture (PIP) processing for video telephony (VT). According to the disclosed techniques, a local video communication device transmits PIP information to a remote video communication device. Using the PIP information, the remote video communication device applies preferential encoding to non-PIP regions of video transmitted to the local video communication device.

    摘要翻译: 本公开涉及用于视频电话(VT)的画中画(PIP)处理技术。 根据所公开的技术,本地视频通信设备将PIP信息发送到远程视频通信设备。 使用PIP信息,远程视频通信设备对发送到本地视频通信设备的视频的非PIP区域应用优先编码。

    Decoder-side region of interest video processing
    9.
    发明授权
    Decoder-side region of interest video processing 有权
    解码器侧感兴趣区域视频处理

    公开(公告)号:US08315466B2

    公开(公告)日:2012-11-20

    申请号:US11615470

    申请日:2006-12-22

    IPC分类号: G06K9/36

    摘要: The disclosure is directed to decoder-side region-of-interest (ROI) video processing. A video decoder determines whether ROI assistance information is available. If not, the decoder defaults to decoder-side ROI processing. The decoder-side ROI processing may estimate the reliability of ROI extraction in the bitstream domain. If ROI reliability is favorable, the decoder applies bitstream domain ROI extraction. If ROI reliability is unfavorable, the decoder applies pixel domain ROI extraction. The decoder may apply different ROI extraction processes for intra-coded (I) and inter-coded (P or B) data. The decoder may use color-based ROI generation for intra-coded data, and coded block pattern (CBP)-based ROI generation for inter-coded data. ROI refinement may involve shape-based refinement for intra-coded data, and motion- and color-based refinement for inter-coded data.

    摘要翻译: 本公开涉及解码器侧感兴趣区域(ROI)视频处理。 视频解码器确定ROI辅助信息是否可用。 如果不是,则解码器默认为解码器侧ROI处理。 解码器侧ROI处理可以估计比特流域中的ROI提取的可靠性。 如果ROI可靠性较好,则解码器应用比特流域ROI提取。 如果ROI可靠性不利,则解码器应用像素域ROI提取。 解码器可以对帧内编码(I)和帧间编码(P或B)数据应用不同的ROI提取处理。 解码器可以使用用于帧内编码数据的基于颜色的ROI生成,以及用于帧间编码数据的基于编码块模式(CBP)的ROI生成。 ROI细化可能涉及帧内编码数据的基于形状的细化,以及帧间编码数据的基于运动和颜色的细化。

    Picture-in-picture processing for video telephony
    10.
    发明授权
    Picture-in-picture processing for video telephony 有权
    视频电话的画中画处理

    公开(公告)号:US08081684B2

    公开(公告)日:2011-12-20

    申请号:US11208176

    申请日:2005-08-19

    IPC分类号: H04B1/66

    CPC分类号: H04N7/147 H04N2007/145

    摘要: The disclosure is directed to techniques for picture-in-picture (PIP) processing for video telephony (VT). According to the disclosed techniques, a local video communication device transmits PIP information to a remote video communication device. Using the PIP information, the remote video communication device applies preferential encoding to non-PIP regions of video transmitted to the local video communication device.

    摘要翻译: 本公开涉及用于视频电话(VT)的画中画(PIP)处理技术。 根据所公开的技术,本地视频通信设备将PIP信息发送到远程视频通信设备。 使用PIP信息,远程视频通信设备对发送到本地视频通信设备的视频的非PIP区域应用优先编码。