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1. 发明申请

US20210360268A1 ENCODER 有权
公开(公告)号：US20210360268A1
公开(公告)日：2021-11-18
申请号：US17388426
申请日：2021-07-29
申请人： Virginie DRUGEON , Tadamasa TOMA , Takahiro NISHI , Kiyofumi ABE , Yusuke KATO
发明人： Virginie DRUGEON , Tadamasa TOMA , Takahiro NISHI , Kiyofumi ABE , Yusuke KATO
IPC分类号： H04N19/31
摘要： An encoder includes circuitry, and memory coupled to the circuitry. The circuitry, in operation, for each of a plurality of sub-bitstreams having mutually different frame rates, encodes identification information into a header of a bitstream including the plurality of sub-bitstreams, the identification information indicating a temporal ID that is an identifier of a temporal layer related to a temporal scalability and corresponds to the sub-bitstream, and encodes level information indicating a conformance level of the sub-bitstream.

2. 发明授权

US08526797B2 Moving image coding method, moving image coding device, moving image recording method, recording medium, moving image playback method, moving image playback device, and moving image playback system 有权
标题翻译：运动图像编码方法，运动图像编码装置，运动图像记录方法，记录介质，运动图像重放方法，运动图像重放装置和运动图像重放系统
公开(公告)号：US08526797B2
公开(公告)日：2013-09-03
申请号：US13211560
申请日：2011-08-17
申请人： Tadamasa Toma , Hiroshi Yahata , Wataru Ikeda
发明人： Tadamasa Toma , Hiroshi Yahata , Wataru Ikeda
IPC分类号： H04N5/91
CPC分类号： H04N5/85 , G11B27/322 , G11B2220/2541 , H04N9/7921 , H04N9/8042 , H04N9/8205 , H04N9/8227 , H04N19/00
摘要： A moving image coding method that can prevent playback discontinuity without an increase in processing load during playback is provided.The moving image coding method codes a video stream that includes a first moving image and a second moving image to be overlaid on the first moving image. The moving image coding method includes: a step of determining a continuous playback section that is a group of partial sections and is subject to continuous playback, in the video stream (S5301 to S5303); a step of coding the first and second moving images in the partial sections constituting the continuous playback section, under a constraint that prevents a threshold from being changed in the continuous playback section, the threshold being used for a transparency process by a luminance key in the overlaying (S5304); and a step of generating management information including flag information which indicates that the threshold is fixed in the continuous playback section (S5305).
摘要翻译：提供了一种可以在不增加播放期间的处理负荷的情况下防止播放不连续性的运动图像编码方法。运动图像编码方法对包含第一运动图像和第二运动图像的视频流进行编码以覆盖在第一运动图像上。运动图像编码方法包括：在视频流中确定作为一部分组并连续重放的连续重放段的步骤（S5301至S5303）; 在构成连续重放部分的部分部分中的第一和第二运动图像的编码步骤中，在连续重放部分中防止阈值改变的约束下，该阈值用于透明度处理中的亮度键重叠（S5304）; 以及生成管理信息的步骤，包括指示连续重放段中阈值固定的标志信息（S5305）。

3. 发明授权

US08526491B2 Image encoding device, and image decoding device 有权
标题翻译：图像编码装置，图像解码装置
公开(公告)号：US08526491B2
公开(公告)日：2013-09-03
申请号：US12609341
申请日：2009-10-30
申请人： Tadamasa Toma , Shinya Kadono , Tomoyuki Okada , Wataru Ikeda
发明人： Tadamasa Toma , Shinya Kadono , Tomoyuki Okada , Wataru Ikeda
IPC分类号： H04N7/12 , H04N5/77 , H04N7/50 , H04N1/21
CPC分类号： H04N7/50 , G11B27/105 , G11B27/322 , G11B2220/2541 , H04N1/2112 , H04N5/85 , H04N5/91 , H04N9/7921 , H04N9/8042 , H04N9/8205 , H04N19/102 , H04N19/137 , H04N19/172 , H04N19/46 , H04N19/61 , H04N21/23614 , H04N21/242 , H04N21/42646 , H04N21/4302 , H04N21/4325 , H04N21/4334 , H04N21/4348 , H04N21/8153
摘要： The image encoding device of the present invention is an image encoding device that encodes a still image and a moving image, the device including: a determination unit that determines a first upper limit and a second upper limit, the first upper limit indicating an upper limit of the amount of code per picture of still images, and the second upper limit indicating an upper limit of the amount of code per picture in a moving image; an encoding unit that encodes each of the still images and the moving image in such a manner that the first and second upper limits are satisfied; a multiplexing unit that generates a stream by multiplexing the encoded still images and the encoded moving image; a generation unit that generates management information that identifies the first and second upper limits; and an output unit that outputs the stream and the management information.
摘要翻译：本发明的图像编码装置是对静止图像和运动图像进行编码的图像编码装置，该装置包括：确定单元，其确定第一上限和第二上限，第一上限指示上限每个静止图像的图像的代码量，以及第二上限，其指示运动图像中的每个图像的代码量的上限; 编码单元，其以满足所述第一和第二上限的方式编码所述静止图像和所述运动图像中的每一个; 多路复用单元，通过对编码的静止图像和编码的运动图像进行复用来生成流; 产生识别第一和第二上限的管理信息的生成单元; 以及输出单元，其输出流和管理信息。

4. 发明授权

US08417099B2 Multiplexing method and recording medium 有权
标题翻译：复用方法和记录介质
公开(公告)号：US08417099B2
公开(公告)日：2013-04-09
申请号：US12064793
申请日：2006-08-11
申请人： Satoshi Kondo , Tadamasa Toma , Katsuhiro Kanamori , Haruo Yamashita , Takeshi Ito , Jun Ikeda
发明人： Satoshi Kondo , Tadamasa Toma , Katsuhiro Kanamori , Haruo Yamashita , Takeshi Ito , Jun Ikeda
IPC分类号： H04N9/79
CPC分类号： G11B27/034 , G11B2220/2541 , H04N5/85 , H04N9/7921 , H04N9/8042 , H04N9/8227 , H04N21/238 , H04N21/4325
摘要： To provide a multiplexing method which facilitates a reproduction process and reduces unpleasantness felt by a viewer about image quality.The multiplexing method includes: a step of judging whether or not a clip to be coded should be coded as part of a continuous reproduction unit in which bitstreams are structured so as to allow continuous reproduction (S100); a step of determining a color space that is common within the continuous reproduction unit when it is judged that the clip should be coded as part of the continuous reproduction unit (S110); a step of generating bitstreams by coding the clip to be coded according to a determined color space (S112); and a step of packet-multiplexing bitstreams (S118).
摘要翻译：提供一种便于再现处理并减少观众对图像质量感觉到的不愉快的复用方法。复用方法包括：判断要编码的片段是否应当被编码为其中构成比特流以便允许连续再现的连续再现单元的一部分（S100）; 当判断剪辑应被编码为连续再现单元的一部分时，确定在连续再现单元中共同的颜色空间的步骤（S110）; 通过根据确定的颜色空间对要编码的剪辑进行编码来生成比特流的步骤（S112）; 和分组复用比特流的步骤（S118）。

5. 发明申请

US20120033039A1 ENCODING METHOD, DISPLAY DEVICE, AND DECODING METHOD 审中-公开
标题翻译：编码方法，显示装置和解码方法
公开(公告)号：US20120033039A1
公开(公告)日：2012-02-09
申请号：US13204096
申请日：2011-08-05
申请人： Taiji Sasaki , Takahiro Nishi , Tadamasa Toma
发明人： Taiji Sasaki , Takahiro Nishi , Tadamasa Toma
IPC分类号： H04N13/04 , H04N13/00
CPC分类号： H04N19/597 , H04N13/139 , H04N13/161 , H04N13/183 , H04N13/194 , H04N13/341 , H04N13/356 , H04N19/70 , H04N2213/003 , H04N2213/005
摘要： The encoding method obtains a video stream including pictures and display information, the pictures being L-R containing images each having a display area split into two sub-areas, one storing a left-view image and the other storing a right-view image. The display information includes 2D display information and 3D display information, each of which including cropping information specifying an area in the display area as an area to be cropped, the area in the display area specified by the cropping information of the 3D display information is for 3D display, and the area in the display area specified by the cropping information of the 2D display information is for 2D display, and is one of the left-view image and the right-view image.
摘要翻译：编码方法获得包括图像和显示信息的视频流，L-R的图像包含各自具有分割成两个子区域的显示区域的图像，一个存储左视图图像，另一个存储右视图图像。显示信息包括2D显示信息和3D显示信息，每个显示信息包括修剪信息，指定显示区域中的区域作为要裁剪的区域，由3D显示信息的裁剪信息指定的显示区域中的区域用于 3D显示，并且由2D显示信息的裁剪信息指定的显示区域中的区域用于2D显示，并且是左视图图像和右视图图像之一。

6. 发明授权

US07889788B2 Stream generation apparatus, stream generation method, coding apparatus, coding method, recording medium and program thereof 有权
标题翻译：流生成装置，流生成方法，编码装置，编码方法，记录介质及程序
公开(公告)号：US07889788B2
公开(公告)日：2011-02-15
申请号：US10580468
申请日：2005-04-25
申请人： Tadamasa Toma , Tomoyuki Okada , Hiroshi Yahata , Shinya Kadono
发明人： Tadamasa Toma , Tomoyuki Okada , Hiroshi Yahata , Shinya Kadono
IPC分类号： H04B1/66 , H04N5/91 , H04N7/00
CPC分类号： H04N5/783 , G11B27/005 , G11B27/034 , G11B27/105 , G11B27/329 , G11B2220/2541 , G11B2220/2562 , G11B2220/2579 , G11B2220/61 , H04N9/8042 , H04N9/8063 , H04N9/8205
摘要： A stream generation apparatus of the present invention is a stream generation apparatus which generates a stream including coded pictures and a command for managing a buffer which holds a decoded picture, the command being added to one of the coded pictures as a reference picture. It includes a judging unit which judges whether or not the coded picture to which the command is added is skipped at the time of trick-play, an adding unit which adds, in the case where the coded picture is judged to be skipped, repetition information indicating the same contents as the command to another coded picture that follows, in decoding order, the coded picture judged to be skipped and that is not skipped at the time of the trick-play, and a generating unit which generates the stream including the coded pictures, the command and the repetition information.
摘要翻译：本发明的流生成装置是生成包含编码图像的流的流生成装置和用于管理保存解码图像的缓冲器的命令，该命令被添加到编码图像之一作为参考图像。它包括判断单元，判断单元是否在特技播放时跳过添加了该命令的编码图像;加法单元，其在判断为跳过编码图像的情况下，添加重复信息以与解码顺序相对应的下一个编码图像的命令相同的内容，判断为跳过的编码图像，并且在特技播放时不被跳过的编码图像，以及生成单元，其生成包括编码图片，命令和重复信息。

7. 发明授权

US07756205B2 Moving image encoding method and apparatus 有权
标题翻译：运动图像编码方法和装置
公开(公告)号：US07756205B2
公开(公告)日：2010-07-13
申请号：US11660750
申请日：2005-08-30
申请人： Tadamasa Toma , Shinya Kadono , Masayasu Iguchi , Tomoyuki Okada , Yoshinori Matsui , Satoshi Kondo , Hiroshi Yahata , Wataru Ikeda
发明人： Tadamasa Toma , Shinya Kadono , Masayasu Iguchi , Tomoyuki Okada , Yoshinori Matsui , Satoshi Kondo , Hiroshi Yahata , Wataru Ikeda
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , H04B1/66
CPC分类号： H04N9/8042 , G11B27/3027 , G11B27/329 , G11B2220/2541 , H04N5/85 , H04N9/8063 , H04N9/8205 , H04N9/8227 , H04N19/13 , H04N19/179 , H04N19/61
摘要： A moving image encoding method of encoding a moving image while switching between variable-length encoding schemes. In this method, a continuous unit to be continuously reproduced is determined (S5201), a stream is generated by encoding the moving image without switching between variable-length encoding schemes in the continuous unit (S5202), and management information is generated that includes a first flag information indicating that a variable-length encoding scheme is fixed in the continuous unit (S5204, and S5205).
摘要翻译：一种在可变长度编码方案之间切换的同时对运动图像进行编码的运动图像编码方法。在该方法中，确定要连续重放的连续单元（S5201），通过对运动图像进行编码而不在连续单元中的可变长度编码方案之间进行切换来生成流（S5202），生成包括指示可变长度编码方案在连续单元中固定的第一标志信息（S5204和S5205）。

8. 发明申请

US20100141783A1 IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD 有权
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US20100141783A1
公开(公告)日：2010-06-10
申请号：US12594625
申请日：2009-02-05
申请人： Satoshi Sakaguchi , Tadamasa Toma
发明人： Satoshi Sakaguchi , Tadamasa Toma
IPC分类号： H04N5/228
CPC分类号： H04N5/232 , G06T3/4053 , H04N5/23232 , H04N5/343 , H04N2101/00
摘要： An image processing device (200) according to the present invention includes: a shooting period obtaining unit (205) configured to obtain a shooting period; an imaging unit (202) which includes a plurality of pixels each converting light into an electrical signal, and which has a first mode in which a low-resolution image signal is outputted and a second mode in which a high-resolution image signal is outputted, the low-resolution image signal including electrical signals converted by a first number of pixels among the plurality of pixels, the high-resolution image signal including electrical signals converted by a second number of pixels among the plurality of pixels, and the second number being greater than the first number; a control unit (210) configured to cause the imaging unit (202) to operate in the first mode during the shooting period, and to operate in the second mode during a period other than the shooting period; and a super-resolution unit (203) configured to generate a super-resolution image signal by performing a resolution up-converting process on the low-resolution image signal outputted by the imaging unit (202) during the shooting period, using the high-resolution image signal outputted by the imaging unit (202) during the period other than the shooting period.
摘要翻译：根据本发明的图像处理设备（200）包括：拍摄周期获取单元（205），被配置为获得拍摄周期; 成像单元（202），其包括将光转换成电信号的多个像素，并且具有其中输出低分辨率图像信号的第一模式和输出高分辨率图像信号的第二模式所述低分辨率图像信号包括由所述多个像素中的第一数量的像素转换的电信号，所述高分辨率图像信号包括由所述多个像素之中的第二数量的像素转换的电信号，所述第二数量为大于第一个数字; 控制单元，被配置为使得所述摄像单元在所述拍摄期间以所述第一模式工作，并且在除所述拍摄周期之外的时段期间以所述第二模式操作; 以及超分辨率单元，其被配置为通过对所述摄像单元（202）输出的低分辨率图像信号进行分辨率上变换处理来生成超分辨率图像信号，在拍摄期间以外的期间，由摄像部（202）输出的分辨率图像信号。

9. 发明申请

US20100040351A1 MOVING IMAGE CODING METHOD, MOVING IMAGE CODING DEVICE, MOVING IMAGE RECORDING METHOD, RECORDING MEDIUM, MOVING IMAGE PLAYBACK METHOD, MOVING IMAGE PLAYBACK DEVICE, AND MOVING IMAGE PLAYBACK SYSTEM 有权
公开(公告)号：US20100040351A1
公开(公告)日：2010-02-18
申请号：US12608702
申请日：2009-10-29
申请人： Tadamasa TOMA , Hiroshi Yahata , Wataru Ikeda
发明人： Tadamasa TOMA , Hiroshi Yahata , Wataru Ikeda
IPC分类号： H04N7/26
CPC分类号： H04N5/85 , G11B27/322 , G11B2220/2541 , H04N9/7921 , H04N9/8042 , H04N9/8205 , H04N9/8227 , H04N19/00
摘要： A moving image coding method that can prevent playback discontinuity without an increase in processing load during playback is provided.The moving image coding method codes a video stream that includes a first moving image and a second moving image to be overlaid on the first moving image. The moving image coding method includes: a step of determining a continuous playback section that is a group of partial sections and is subject to continuous playback, in the video stream (S5301 to S5303); a step of coding the first and second moving images in the partial sections constituting the continuous playback section, under a constraint that prevents a threshold from being changed in the continuous playback section, the threshold being used for a transparency process by a luminance key in the overlaying (S5304); and a step of generating management information including flag information which indicates that the threshold is fixed in the continuous playback section (S5305).

10. 发明授权

US07436859B2 Demultiplexing device 有权
标题翻译：解复用器
公开(公告)号：US07436859B2
公开(公告)日：2008-10-14
申请号：US10504295
申请日：2003-04-22
申请人： Youji Notoya , Yoshinori Matsui , Tadamasa Toma , Koji Imura , Naoto Otake
发明人： Youji Notoya , Yoshinori Matsui , Tadamasa Toma , Koji Imura , Naoto Otake
IPC分类号： H04J3/04
CPC分类号： H04N21/85406 , H04N21/434
摘要： A demultiplexing apparatus includes a data obtainment unit to obtain the MP4 file data, and a decoding unit to demultiplex the MP4 file data obtained by the data obtainment unit into pairs of a moov and a mdat and pairs of a moof and a mdat, and decode those pairs pair-by-pair. A content duration specification unit specifies the content total duration based on the content total duration information contained in the moov of the MP4 file data obtained by the data obtainment unit and a playback unit displays the content total duration specified by the content duration specification unit.
摘要翻译：解复用装置包括获取MP4文件数据的数据获取单元，以及解码单元，用于将由数据获取单元获取的MP4文件数据解复用成moov和mdat以及moof和mdat对，并将其解码那对配对。内容持续时间指定单元基于由数据获取单元获得的MP4文件数据的moov中包含的内容总持续时间信息来指定内容总持续时间，并且重放单元显示由内容持续时间指定单元指定的内容总持续时间。

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