Unified approach to film mode detection
    1.
    发明申请
    Unified approach to film mode detection 有权
    电影模式检测的统一方法

    公开(公告)号:US20070139552A1

    公开(公告)日:2007-06-21

    申请号:US11314631

    申请日:2005-12-20

    IPC分类号: H04N5/253 H04N11/20 H04N5/14

    CPC分类号: H04N7/0115

    摘要: A method for inverse telecine. The method generally includes the steps of (A) checking if a current field of a plurality of fields in a video sequence repeats in the video sequence according to a pattern-based approach where the current field fits a telecine pattern, (B) checking if the current field repeats according to a first pattern-less approach where the current field complies with at least one of a plurality of rules and (C) generating a signal for an encoder in (i) an asserted state if the current field repeats and (ii) a deasserted state if the current field does not repeat.

    摘要翻译: 一种反向电视电影的方法。 该方法通常包括以下步骤:(A)根据基于模式的方法检查视频序列中的多个场的当前场是否在视频序列中重复,其中当前场适合电视电影图案,(B)检查是否 当前场根据第一无模式方法重复,其中当前场符合多个规则中的至少一个,并且(C)生成用于编码器的信号,其中(i)当前场重复的有效状态和( ii)如果当前字段不重复,则为无效状态。

    Method for composite video artifacts reduction
    2.
    发明申请
    Method for composite video artifacts reduction 失效
    复合视频文物减少方法

    公开(公告)号:US20060244868A1

    公开(公告)日:2006-11-02

    申请号:US11115463

    申请日:2005-04-27

    IPC分类号: H04N5/14 H04N9/64

    CPC分类号: H04N5/21 H04N5/145 H04N9/646

    摘要: A method for composite noise filtering is disclosed. The method generally includes the steps of (A) generating a selection value in response to a stationary check identifying one of a plurality of blendings for a current item of a current field, (B) generating a filtered item in response to one of (i) a first of the blendings between the current item and a first previous item co-located in a first previous field having an opposite phase of composite artifacts from the current field and (ii) a second of the blendings between the current item and a first motion compensated item from the first previous field and (C) switching between the first blending and the second blending in response to the selection value.

    摘要翻译: 公开了一种复合噪声滤波方法。 该方法通常包括以下步骤:(A)响应于识别当前场的当前项目的多个混合中的一个的固定检查来生成选择值,(B)响应于(i )当前项目和第一先前项目之间的第一个混合中的第一个,共同位于具有与当前场的复合人造物相反的第一先前场中,以及(ii)当前项目和第一 运动补偿项目,以及(C)响应于选择值在第一混合和第二混合之间切换。

    Detection of moving interlaced text for film mode decision
    3.
    发明申请
    Detection of moving interlaced text for film mode decision 有权
    检测电影模式决定的移动交错文本

    公开(公告)号:US20070188607A1

    公开(公告)日:2007-08-16

    申请号:US11343119

    申请日:2006-01-30

    IPC分类号: H04N5/253

    摘要: A method for detecting moving interlaced text in a video sequence originating through telecine is disclosed. The method generally includes the steps of (A) checking a motion condition of a current block in a current field in the video sequence for motion both (i) from a previous field in the video sequence to the current field and (ii) from the current field to a next field in the video sequence, (B) checking an artifact condition of the current block for a plurality of symmetric interlaced artifacts in both (i) a forward temporal direction and (ii) a backward temporal direction and (C) asserting a block motion indicator for the current block if all of (i) the motion condition is true and (ii) the artifact condition is true.

    摘要翻译: 公开了一种用于检测通过电视电影发起的视频序列中的移动隔行扫描文本的方法。 该方法通常包括以下步骤:(A)检查视频序列中当前字段中的当前块的运动条件,以便(i)从视频序列中的先前场到当前场,以及(ii)从 (B)在(i)前向时间方向和(ii)后向时间方向上检查多个对称隔行伪影的当前块的伪像条件,(C) 如果(i)运动条件为真,并且(ii)伪影条件为真,则为当前块确定块运动指示符。

    Method for video deinterlacing and format conversion
    4.
    发明申请
    Method for video deinterlacing and format conversion 有权
    视频去隔行和格式转换的方法

    公开(公告)号:US20080117330A1

    公开(公告)日:2008-05-22

    申请号:US12018544

    申请日:2008-01-23

    IPC分类号: H04N7/01

    摘要: A method for deinterlacing a picture is disclosed. The method generally includes the steps of (A) generating a plurality of primary scores by searching along a plurality of primary angles for an edge in the picture proximate a location interlaced with a field of the picture, (B) generating a plurality of neighbor scores by searching for the edge along a plurality of neighbor angles proximate a particular angle of the primary angles corresponding to a particular score of the primary scores having a best value and (C) identifying a best score from a group of scores consisting of the particular score and the neighbor scores to generate an interpolated sample at the location.

    摘要翻译: 公开了一种用于去隔行扫描图像的方法。 该方法通常包括以下步骤:(A)通过沿图像中的边缘邻近的图像的边缘沿多个主角度搜索生成多个主分数,(B)生成多个相邻分数 通过搜索沿着与具有最佳值的主分数的特定分数相对应的主角度的特定角度的多个相邻角度的边缘,以及(C)从由特定分数组成的分数组中识别最佳分数 和邻居得分,以在该位置生成内插样本。

    Method for robust inverse telecine
    5.
    发明申请
    Method for robust inverse telecine 有权
    强电逆电影的方法

    公开(公告)号:US20070104273A1

    公开(公告)日:2007-05-10

    申请号:US11272300

    申请日:2005-11-10

    IPC分类号: H04N11/04 H04N7/12

    CPC分类号: H04N7/0115

    摘要: A method for inverse telecine. The method generally includes the steps of (A) checking if a current field of a plurality of fields in a video sequence repeats in the video sequence according to a pattern-based approach where the current field fits a telecine pattern, (B) checking if the current field repeats according to a first pattern-less approach where the current field complies with at least one of a plurality of rules and (C) generating a signal for an encoder in (i) an asserted state if the current field repeats and (ii) a deasserted state if the current field does not repeat.

    摘要翻译: 一种反向电视电影的方法。 该方法通常包括以下步骤:(A)根据基于模式的方法检查视频序列中的多个场的当前场是否在视频序列中重复,其中当前场适合电视电影图案,(B)检查是否 当前场根据第一无模式方法重复,其中当前场符合多个规则中的至少一个,并且(C)生成用于编码器的信号,其中(i)当前场重复的有效状态和( ii)如果当前字段不重复,则为无效状态。

    Method and apparatus for video deinterlacing and format conversion
    6.
    发明申请
    Method and apparatus for video deinterlacing and format conversion 有权
    用于视频去隔行和格式转换的方法和装置

    公开(公告)号:US20050134730A1

    公开(公告)日:2005-06-23

    申请号:US10744729

    申请日:2003-12-23

    IPC分类号: H04N5/44 H04N11/20

    CPC分类号: H04N7/012

    摘要: A method for deinterlacing a picture is disclosed. The method generally includes the steps of (A) determining a protection condition by performing a static check on the picture in a region around a location interlaced with a first field of the picture, (B) calculating an interpolated sample at the location by temporal averaging the first field with a second field in response to the protection condition indicating significant vertical activity and (C) calculating the interpolated sample at the location by spatial filtering the first field in response to the protection condition indicating insignificant vertical activity.

    摘要翻译: 公开了一种用于去隔行扫描图像的方法。 该方法通常包括以下步骤:(A)通过对与图像的第一场隔行的位置周围的区域中的图像执行静态检查来确定保护条件,(B)通过时间平均来计算位置处的内插样本 所述第一场与响应于所述保护条件的第二场响应于指示显着的垂直活动;以及(C)响应于指示不显着的垂直活动的保护条件,通过对所述第一场进行空间滤波来计算所述位置处的内插样本。

    Method and apparatus for video deinterlacing and format conversion
    7.
    发明申请
    Method and apparatus for video deinterlacing and format conversion 有权
    用于视频去隔行和格式转换的方法和装置

    公开(公告)号:US20050134602A1

    公开(公告)日:2005-06-23

    申请号:US10744693

    申请日:2003-12-23

    摘要: A method for deinterlacing a picture is disclosed. The method generally includes the steps of (A) generating a plurality of primary scores by searching along a plurality of primary angles for an edge in the picture proximate a location interlaced with a field of the picture, (B) generating a plurality of neighbor scores by searching for the edge along a plurality of neighbor angles proximate a particular angle of the primary angles corresponding to a particular score of the primary scores having a best value and (C) identifying a best score from a group of scores consisting of the particular score and the neighbor scores to generate an interpolated sample at the location.

    摘要翻译: 公开了一种用于去隔行扫描图像的方法。 该方法通常包括以下步骤:(A)通过沿图像中的边缘邻近的图像的边缘沿多个主角度搜索生成多个主分数,(B)生成多个相邻分数 通过搜索沿着与具有最佳值的主分数的特定分数相对应的主角度的特定角度的多个相邻角度的边缘,以及(C)从由特定分数组成的分数组中识别最佳分数 和邻居得分,以在该位置生成内插样本。

    Method and apparatus for video and image deinterlacing and format conversion
    8.
    发明申请
    Method and apparatus for video and image deinterlacing and format conversion 有权
    视频和图像去隔行和格式转换的方法和装置

    公开(公告)号:US20050122426A1

    公开(公告)日:2005-06-09

    申请号:US10727476

    申请日:2003-12-04

    IPC分类号: H04N5/14 H04N5/44 H04N11/20

    CPC分类号: H04N5/142 H04N7/012

    摘要: A method and apparatus for deinterlacing a picture is disclosed. The method generally includes the steps of (A) calculating a plurality of differences among a plurality of current samples from a current field of the picture, the differences being calculated along a plurality of line segments at a plurality of angles proximate a particular position between two field lines from the current filed, (B) generating a first sample at the particular position by vertical filtering the current field in response to the differences indicating that the particular position is a non-edge position in the picture and (C) generating a second sample at the particular position by directional filtering the current field in response to the differences indicating that the particular position is an edge position in the picture.

    摘要翻译: 公开了一种用于去隔行扫描图像的方法和装置。 该方法通常包括以下步骤:(A)从图像的当前场计算多个当前样本之间的多个差异,所述差异沿多个线段以接近两个特定位置之间的多个角度被计算 (B)响应于指示特定位置是图像中的非边缘位置的差异,通过对当前场进行垂直滤波来产生在特定位置处的第一样本,(C)产生第二样本, 响应于指示特定位置是图像中的边缘位置的差异,通过对当前场进行定向滤波来在特定位置处采样。

    Progressive video detection with aggregated block SADS
    9.
    发明申请
    Progressive video detection with aggregated block SADS 有权
    具有聚合块SADS的逐行视频检测

    公开(公告)号:US20070188662A1

    公开(公告)日:2007-08-16

    申请号:US11355027

    申请日:2006-02-15

    IPC分类号: H04N11/20 H04N5/14

    CPC分类号: H04N19/00 H04N7/012

    摘要: A method for detecting progressive material in a video sequence is disclosed. The method generally includes the steps of (A) calculating a plurality of block statistics for each of a plurality of blocks in a current field of the video sequence, (B) calculating a plurality of field statistics by summing the block statistics over all of the blocks in the current field, (C) calculating a noise level for the current field based on a subset of the block statistics from each of the blocks and (D) generating a mode flag for the current field based on both (i) the field statistics and (ii) the noise level, wherein the mode flag identifies if the current field is part of a 2:2 pull-down pattern.

    摘要翻译: 公开了一种用于检测视频序列中的渐进材料的方法。 该方法通常包括以下步骤:(A)为视频序列的当前字段中的多个块中的每一个块计算多个块统计,(B)通过将所有块统计信息 (C)基于来自每个块的块统计的子集计算当前场的噪声水平,以及(D)基于(i)场来生成当前场的模式标志 统计和(ii)噪声水平,其中模式标志识别当前场是否是2:2下拉模式的一部分。

    Noise adaptive 3D composite noise reduction
    10.
    发明申请
    Noise adaptive 3D composite noise reduction 有权
    噪声自适应3D复合噪声降低

    公开(公告)号:US20070109448A1

    公开(公告)日:2007-05-17

    申请号:US11273304

    申请日:2005-11-14

    IPC分类号: H04N5/00

    CPC分类号: H04N5/21 H04N5/145 H04N9/646

    摘要: A method for filtering digital video is disclosed. The method generally includes the steps of (A) checking a plurality of original blocks in an original field for a plurality of artifacts, wherein detection of the artifacts is based on an adjustable threshold, (B) first filtering each of the original blocks having at least one of the artifacts to remove the at least one artifact and (C) second filtering each of the original blocks lacking at least one of the artifacts to remove noise, wherein the second filtering is (i) motion compensated and (ii) adaptive to a respective noise level in each of the original blocks.

    摘要翻译: 公开了一种用于过滤数字视频的方法。 该方法通常包括以下步骤:(A)检查多个伪像的原始字段中的多个原始块,其中伪像的检测基于可调节的阈值,(B)首先过滤具有 至少一个伪影去除所述至少一个伪影,并且(C)对缺少至少一个伪影的每个原始块进行第二次滤波以去除噪声,其中第二滤波是(i)运动补偿和(ii)自适应 每个原始块中的相应噪声水平。