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    • 4. 发明申请
    • TELEVISION WITH COUPLED ELECTRICAL POWER
    • 具有耦合电力的电视
    • US20120188463A1
    • 2012-07-26
    • US13010127
    • 2011-01-20
    • Sachin G. DeshpandeLouis Joseph KerofskyM. Ibrahim Sezan
    • Sachin G. DeshpandeLouis Joseph KerofskyM. Ibrahim Sezan
    • H04N5/63
    • H04N5/63G06F1/263G06F1/30H04N21/4436
    • A display device includes power management by including a first input suitable to receive electrical power from an outlet for providing power for the operation of the display device. The display device includes a second input, separate from the first input, suitable to receive electrical power from an external battery source for providing power for the operation of the display device. The display device includes an internal battery source enclosed within the display device suitable for providing power for the operation of the display device. A source select is enclosed within the display device that selects power from at least one of the first input, the second input, and the internal battery for providing power for the operation of the display device. A processor receives video content from a video source and selectively modifies a backlight of the display device based upon the power source selected by the source select in such a manner as to reduce the power consumption of the display device. The processor may additionally change the media playback behavior to decode and playback only some of the video frames to reduce the power consumption of decoder and display device.
    • 显示装置包括电源管理,包括适于从插座接收电力的第一输入,用于为显示装置的操作提供电力。 显示装置包括与第一输入分开的适于从外部电池源接收电力的第二输入,用于为显示装置的操作提供电力。 显示装置包括封装在显示装置内的适于为显示装置的操作提供电力的内部电池源。 源选择被包围在显示装置内,从第一输入,第二输入和内部电池中的至少一个选择电力,以提供用于显示装置的操作的电力。 处理器从视频源接收视频内容,并且基于由源选择所选择的电源以降低显示设备的功耗的方式选择性地修改显示设备的背光。 处理器可以另外改变媒体播放行为以仅解码和回放一些视频帧,以减少解码器和显示设备的功耗。
    • 6. 发明授权
    • Contour-sensitive, single-field deinterlacing method
    • 轮廓敏感,单场去隔行扫描法
    • US5602654A
    • 1997-02-11
    • US369847
    • 1995-01-06
    • Andrew J. PattiJonathan K. RiekM. Ibrahim Sezan
    • Andrew J. PattiJonathan K. RiekM. Ibrahim Sezan
    • H04N5/44H04N1/40G06K9/40H04N7/01
    • H04N7/012
    • The present invention is a two-step, contour-sensitive deinterlacing technique. The first step of the technique determines for each missing pixel of an interlaced frame of image pixels whether the absolute difference between the pixels above and below the missing pixel is greater than a preselected threshold value. If it is decided that the missing pixel lies at a low-vertical frequency location, its value is estimated via vertical interpolation. Otherwise, the second step is carried out. The goal of the second step is to determine whether or not there is a well-defined contour passing through the missing pixel, and to determine its direction if there is one. In the presence of a well-defined contour, the missing pixel is obtained by averaging the intensity values along the direction of the contour in the field lines immediately above and below the missing field line. Otherwise the process effectively falls back to vertical interpolation. The presence of a well-defined contour is detected by comparing the summed absolute differences (SAD) of blocks of pixels along a predetermined set of candidate directions, including the vertical direction, and selecting the direction associated with the least SAD. The fall-back to vertical interpolation in the absence of a well-defined contour is implicit due to the weighting of the SAD corresponding to the vertical direction.
    • 本发明是两步轮廓敏感的去隔行技术。 该技术的第一步确定图像像素的隔行帧的每个丢失像素,无论丢失像素之上和之下的像素之间的绝对差是否大于预先选择的阈值。 如果确定丢失的像素位于低垂直频率位置,则通过垂直插值估计其值。 否则,执行第二步。 第二步的目标是确定是否存在通过缺失像素的明确定义的轮廓,并确定其方向是否存在。 在存在明确定义的轮廓的情况下,通过在紧邻失踪场线上方和下方的场线中对沿着轮廓方向的强度值进行平均来获得缺失像素。 否则,该过程有效地回到垂直内插。 通过比较沿着包括垂直方向的预定候选方向集合的像素块的总和绝对差(SAD)以及选择与最小SAD相关联的方向来检测明确定义的轮廓的存在。 由于对应于垂直方向的SAD的加权,在没有明确定义的轮廓的情况下,回退到垂直内插是隐含的。
    • 7. 发明授权
    • Mechanism for controllably deinterlacing sequential lines of video data
field based upon pixel signals associated with four successive
interlaced video fields
    • 基于与四个连续隔行视频场相关联的像素信号可控地去隔行视频数据字段的顺序行的机制
    • US5521644A
    • 1996-05-28
    • US268363
    • 1994-06-30
    • M. Ibrahim SezanAndrew J. Patti
    • M. Ibrahim SezanAndrew J. Patti
    • H04N11/22H04N5/44H04N7/01
    • H04N7/012
    • A hybrid deinterlace mechanism employs motion detection as a precursor to select the value for each missing pixel of a deinterlaced frame, which is generated by using four consecutive fields to produce a motion detection map that is subsequently coupled to a deinterlacer, together with a selected two of the four consecutive fields. These two selected fields and the motion map are sufficient for the deinterlacer to completely characterize the resulting deinterlaced frame. The deinterlacer switches between vertical interpolation and merging based upon motion. Motion is detected by applying a logic OR operation to respective even and odd field binary motion detection signals. In the absence of motion, the pixel values of an odd field and its immediately succeeding even field are merged. On the other hand, if motion is detected, vertical interpolation is carried out for the even field, by a linear combination of immediately adjacent pixels, respectively above and below the pixel of interest.
    • 混合去隔行机构采用运动检测作为前兆,为去隔行帧的每个丢失像素选择值,其通过使用四个连续的场来产生运动检测图,随后与选择的两个 的四个连续的领域。 这两个所选择的场和运动图足以使去隔行扫描器完全表征所得到的去隔行帧。 去隔行扫描器基于运动在垂直内插和合并之间切换。 通过对相应的偶场和奇数二进制运动检测信号应用逻辑“或”运算来检测运动。 在不存在运动的情况下,合并奇数场及其紧随其后的偶数场的像素值。 另一方面,如果检测到运动,则通过分别在感兴趣像素的上方和下方的直接相邻像素的线性组合对偶数场执行垂直内插。