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    Digital broadcast receiving apparatus
    1.
    发明授权
    Digital broadcast receiving apparatus 失效

    公开(公告)号：US07050118B2

    公开(公告)日：2006-05-23

    申请号：US09964578

    申请日：2001-09-28

    申请人： Shigeyuki Okada ,  Kouichi Yamada ,  Mamoru Mukuno

    发明人： Shigeyuki Okada ,  Kouichi Yamada ,  Mamoru Mukuno

    IPC分类号： H04N5/50

    CPC分类号： H04N21/4383 ,  H04N5/4401 ,  H04N21/4263 ,  H04N21/433 ,  H04N21/4382 ,  H04N21/44016 ,  H04N21/44209 ,  H04N21/4435

    摘要： The digital broadcast receiving apparatus according to the present invention includes a tuning unit for outputting normal image data for performing a normal reproduction operation corresponding to a user selected channel, a memory unit for outputting background image data for performing a background reproduction operation when the normal reproduction operation cannot be performed, a data selector for receiving the normal image data and the background image data and outputting one of the normal image data and the background image data, and an MPEG video decode unit for decoding image data output by the data selector to generate an image signal. The tuning unit successively receives the respective channel selected in the background independently of the user selection, and stores the background image data corresponding to the respective channels in the memory unit.

    Digital broadcast receiving apparatus
    2.
    发明授权
    Digital broadcast receiving apparatus 有权
    数字广播接收装置

    公开(公告)号：US07248304B2

    公开(公告)日：2007-07-24

    申请号：US11337517

    申请日：2006-01-24

    申请人： Shigeyuki Okada ,  Kouichi Yamada ,  Mamoru Mukuno

    发明人： Shigeyuki Okada ,  Kouichi Yamada ,  Mamoru Mukuno

    IPC分类号： H04N5/50

    CPC分类号： H04N21/4383 ,  H04N5/4401 ,  H04N21/4263 ,  H04N21/433 ,  H04N21/4382 ,  H04N21/44016 ,  H04N21/44209 ,  H04N21/4435

    摘要： The digital broadcast receiving apparatus according to the present invention includes a tuning unit for outputting normal image data for performing a normal reproduction operation corresponding to a user selected channel, a memory unit for outputting background image data for performing a background reproduction operation when the normal reproduction operation cannot be performed, a data selector for receiving the normal image data and the background image data and outputting one of the normal image data and the background image data, and an MPEG video decode unit for decoding image data output by the data selector to generate an image signal. The tuning unit successively receives the respective channel selected in the background independently of the user selection, and stores the background image data corresponding to the respective channels in the memory unit.

    摘要翻译： 根据本发明的数字广播接收装置包括：调谐单元，用于输出用于执行与用户选择的频道相对应的正常再现操作的正常图像数据;存储单元，用于输出当正常再现时执行背景再现操作的背景图像数据 无法执行操作的数据选择器，用于接收正常图像数据和背景图像数据并输出正常图像数据和背景图像数据之一的数据选择器，以及用于解码由数据选择器输出的图像数据的MPEG视频解码单元，以产生 图像信号。 调谐单元连续地接收与用户选择无关地在背景中选择的相应频道，并且将与各个频道相对应的背景图像数据存储在存储单元中。

    Digital broadcast receiving apparatus
    3.
    发明申请
    Digital broadcast receiving apparatus 有权

    公开(公告)号：US20060123460A1

    公开(公告)日：2006-06-08

    申请号：US11337517

    申请日：2006-01-24

    申请人： Shigeyuki Okada ,  Kouichi Yamada ,  Mamoru Mukuno

    发明人： Shigeyuki Okada ,  Kouichi Yamada ,  Mamoru Mukuno

    IPC分类号： H04N7/16

    CPC分类号： H04N21/4383 ,  H04N5/4401 ,  H04N21/4263 ,  H04N21/433 ,  H04N21/4382 ,  H04N21/44016 ,  H04N21/44209 ,  H04N21/4435

    摘要： The digital broadcast receiving apparatus according to the present invention includes a tuning unit for outputting normal image data for performing a normal reproduction operation corresponding to a user selected channel, a memory unit for outputting background image data for performing a background reproduction operation when the normal reproduction operation cannot be performed, a data selector for receiving the normal image data and the background image data and outputting one of the normal image data and the background image data, and an MPEG video decode unit for decoding image data output by the data selector to generate an image signal. The tuning unit successively receives the respective channel selected in the background independently of the user selection, and stores the background image data corresponding to the respective channels in the memory unit.

    Digital camera for recording a still image while shooting a moving image
    4.
    发明授权
    Digital camera for recording a still image while shooting a moving image 有权

    公开(公告)号：US07999859B2

    公开(公告)日：2011-08-16

    申请号：US12076702

    申请日：2008-03-21

    申请人： Shigeyuki Okada ,  Hiroshi Hanafusa ,  Noriaki Kojima

    发明人： Shigeyuki Okada ,  Hiroshi Hanafusa ,  Noriaki Kojima

    IPC分类号： H04N5/76 ,  H04N5/222

    CPC分类号： H04N1/212 ,  H04N1/2112 ,  H04N1/2137 ,  H04N5/23293 ,  H04N5/772 ,  H04N5/907 ,  H04N9/7921

    摘要： In a digital camera, when snapshot shooting is instructed during recording of a moving image, a shot still image is temporarily pushed aside in a memory area for use in pushing aside (7a) in a frame buffer (7). A currently shooting motion image and a still image are displayed in parallel on a display (9), so that a user can confirm a content of a snapshot. The moving image continues to be recorded even during a push-aside operation. After a moving image processing is completed, the still image is processed by an image correcting circuit (4). The frame buffer (7) comprises a plurality of frame recording areas, and is shared on the occasions of a moving image processing and a still image processing. In a normal moving image processing, these areas are utilized in a cyclic manner, and when the still image is shot, any of areas will be utilized. Thereafter, the rest of areas are utilized in the cyclic manner for the moving images. The recording function for the moving image and still image is improved at low cost, it becomes easy to take a snapshot, and the merchandise size is not increased.

    Method and apparatus for reproducing images, and image recording apparatus
    5.
    发明授权
    Method and apparatus for reproducing images, and image recording apparatus 有权
    用于再现图像的方法和装置以及图像记录装置

    公开(公告)号：US07558319B2

    公开(公告)日：2009-07-07

    申请号：US10459617

    申请日：2003-06-12

    申请人： Shigeyuki Okada ,  Hideki Yamauchi

    发明人： Shigeyuki Okada ,  Hideki Yamauchi

    IPC分类号： H04B1/66

    CPC分类号： H04N9/8042 ,  H04N5/783

    摘要： Structure information on picture within a GOP of a coded data sequence is acquired beforehand. At the time of high-speed reproduction, a high-speed reproduction mode judging unit judges by referring to the picture structure information whether a high-speed smooth reproduction is possible or not. If the high-speed reproduction is possible, a high-speed smooth reproduction control unit performs the high-speed smooth reproduction. If not possible, a high-speed skip reproduction control unit performs high-speed skip reproduction. For reverse reproduction, image data for one GPO, for example, are recoded by an MPEG encoder and then the recoded image data are stored in a storage. Then, a coded data amount predicted from the structure information on the picture within the GOP is compared with the capacity of the storage, and a countermeasure such as raising a compression ratio is taken if the estimated coded data amount exceeds the capacity of the storage.

    摘要翻译： 预先获取关于编码数据序列的GOP内的图像的结构信息。 在高速再现时，高速再现模式判断单元通过参考图像结构信息来判断是否可以进行高速平滑再现。 如果高速再现是可能的，则高速平滑再现控制单元执行高速平滑再现。 如果不可能，高速跳过再现控制单元执行高速跳过再现。 对于反向再现，例如一个GPO的图像数据由MPEG编码器重新编码，然后再编码的图像数据被存储在存储器中。 然后，将从GOP内的图像的结构信息预测的编码数据量与存储容量进行比较，并且如果估计的编码数据量超过存储容量，则采取诸如提高压缩比的对策。

    Digital camera for recording a still image while shooting a moving image
    7.
    发明申请
    Digital camera for recording a still image while shooting a moving image 有权

    公开(公告)号：US20080174669A1

    公开(公告)日：2008-07-24

    申请号：US12076716

    申请日：2008-03-21

    申请人： Shigeyuki Okada ,  Hiroshi Hanafusa ,  Noriaki Kojima

    发明人： Shigeyuki Okada ,  Hiroshi Hanafusa ,  Noriaki Kojima

    IPC分类号： H04N5/243

    CPC分类号： H04N1/212 ,  H04N1/2112 ,  H04N1/2137 ,  H04N5/23293 ,  H04N5/772 ,  H04N5/907 ,  H04N9/7921

    摘要： In a digital camera, when snapshot shooting is instructed during recording of a moving image, a shot still image is temporarily pushed aside in a memory area for use in pushing aside (7a) in a frame buffer (7). A currently shooting motion image and a still image are displayed in parallel on a display (9), so that a user can confirm a content of a snapshot. The moving image continues to be recorded even during a push-aside operation. After a moving image processing is completed, the still image is processed by an image correcting circuit (4). The frame buffer (7) comprises a plurality of frame recording areas, and is shared on the occasions of a moving image processing and a still image processing. In a normal moving image processing, these areas are utilized in a cyclic manner, and when the still image is shot, any of areas will be utilized. Thereafter, the rest of areas are utilized in the cyclic manner for the moving images. The recording function for the moving image and still image is improved at low cost, it becomes easy to take a snapshot, and the merchandise size is not increased.

    Image quantization and coding based on adaptive threshold
    8.
    发明授权
    Image quantization and coding based on adaptive threshold 失效
    基于自适应阈值的图像量化和编码

    公开(公告)号：US07174046B2

    公开(公告)日：2007-02-06

    申请号：US10077208

    申请日：2002-02-14

    申请人： Shigeyuki Okada

    发明人： Shigeyuki Okada

    IPC分类号： G06K9/36 ,  G06T9/00

    CPC分类号： H04N19/1883 ,  H04N19/124 ,  H04N19/63

    摘要： A monitoring unit monitors continuously wavelet transform component output from a wavelet transformer. When a condition “make all the components of the HH sub-band 0” is applied as a quantization strategy, the monitoring unit detects the maximum value N among the components in the HH sub-band and determines the threshold as N+1. The threshold is then sent to a quantizer.

    摘要翻译： 监视单元监视从小波变换器输出的小波变换分量。 当将“使HH子带0的所有分量”作为量化策略时，监视单元检测HH子带中的分量中的最大值N，并将该阈值确定为N + 1。 然后将阈值发送到量化器。

    Coding method for coding moving images
    9.
    发明申请
    Coding method for coding moving images 审中-公开
    编码运动图像的编码方法

    公开(公告)号：US20070025442A1

    公开(公告)日：2007-02-01

    申请号：US11494619

    申请日：2006-07-28

    申请人： Shigeyuki Okada ,  Yuh Matsuda ,  Hideki Yamauchi ,  Yasuo Ishii ,  Mitsuru Suzuki ,  Shinichiro Okada

    发明人： Shigeyuki Okada ,  Yuh Matsuda ,  Hideki Yamauchi ,  Yasuo Ishii ,  Mitsuru Suzuki ,  Shinichiro Okada

    IPC分类号： H04N11/04 ,  H04N11/02

    CPC分类号： H04N19/615 ,  H04N19/124 ,  H04N19/13 ,  H04N19/139 ,  H04N19/52 ,  H04N19/523 ,  H04N19/527 ,  H04N19/61 ,  H04N19/63

    摘要： A region setting unit 64 sets multiple global regions in a frame image. A bit number adjustment unit 62 adjusts the number of bits of the local motion vectors LMV which are to be obtained for each global region. A local motion vector detection unit 66 detects the local motion vectors LMV with the number of bits adjusted by the bit number adjustment unit 62 in units of macro blocks for each global region. A global motion vector calculation unit 68 calculates the global motion vector GMV which represents the global motion for each global region. A local motion vector difference coding unit 72 calculates the difference ΔLMV, which is the difference between each local motion vector LMV and the global motion vector GMV, for each global region, and performs coding thereof.

    摘要翻译： 区域设置单元64在帧图像中设置多个全局区域。 位数调整单元62调整要为每个全局区域获得的局部运动矢量LMV的位数。 局部运动矢量检测单元66以每个全局区域的宏块为单位，以位数调整单元62调整的位数来检测局部运动矢量LMV。 全局运动矢量计算单元68计算表示每个全局区域的全局运动的全局运动矢量GMV。 局部运动矢量差分编码单元72针对每个全局区域计算每个局部运动矢量LMV和全局运动矢量GMV之间的差值DeltaLMV，并进行编码。