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    • 1. 发明授权
    • Super-resolution processor and super-resolution processing method
    • 超分辨率处理器和超分辨率处理方法
    • US08649636B2
    • 2014-02-11
    • US13530283
    • 2012-06-22
    • Satoshi SakaguchiKenji TakitaToru Matsunobu
    • Satoshi SakaguchiKenji TakitaToru Matsunobu
    • G06K9/32
    • G06T3/4053
    • A super-resolution processor in one aspect of the present invention first estimates a motion between an input image and a delayed input image which is obtained by delaying the input image by some frames, and determines a motion vector in super-resolution processing of adding a high frequency component using a learning database. Subsequently, the super-resolution processor updates an evaluation value evaluated when a patch is extracted in a target block of the input image, so that a learned high frequency patch is likely to be selected, the learned high frequency patch being the same as the learned high frequency patch used for super-resolution processing performed at the position motion-compensated by the motion vector in the frame at the same time as the time of the delayed input image.
    • 本发明的一个方面的超分辨率处理器首先估计通过将输入图像延迟一些帧而获得的输入图像和延迟输入图像之间的运动,并且在超分辨率处理中确定添加运动矢量 高频分量使用学习数据库。 随后,超分辨率处理器更新在输入图像的目标块中提取补丁时评估的评估值,从而可能选择学习的高频补丁,所学习的高频补丁与所学习的高频补丁相同 高频补丁用于在与延迟的输入图像的时间同时在帧中由运动矢量运动补偿的位置执行的超分辨率处理。
    • 2. 发明授权
    • Super-resolution processor and super-resolution processing method
    • 超分辨率处理器和超分辨率处理方法
    • US08526765B2
    • 2013-09-03
    • US13021870
    • 2011-02-07
    • Satoshi SakaguchiToru MatsunobuKenji Takita
    • Satoshi SakaguchiToru MatsunobuKenji Takita
    • G06K9/32
    • G06T3/4053
    • A super-resolution processor includes an N enlargement unit that generates an N-enlarged image by enlarging the input image by a factor N; an M enlargement unit that generates an M-enlarged image by enlarging the input image by a factor M; and a high-pass filter unit that extracts a high-frequency component of the M-enlarged image, as an M-enlarged high-frequency image. Additionally, a patch extraction unit extracts an estimated patch of a predetermined size from the M-enlarged high-frequency image, the estimated patch being a part of the M-enlarged high-frequency image; and an addition unit adds the estimated patch to a processing target block of the predetermined size in the N-enlarged image, to generate the output image, where M is smaller than N.
    • 超分辨率处理器包括:N放大单元,其通过将输入图像放大因子N来生成N放大图像; M放大单元,通过将输入图像放大因子M来生成M放大图像; 以及提取M放大图像的高频分量的高通滤波器单元作为M放大的高频图像。 此外,补片提取单元从M放大的高频图像中提取预定尺寸的估计斑块,所估计的斑块是M放大的高频图像的一部分; 并且加法单元将估计的补丁添加到N放大图像中的预定大小的处理目标块,以生成输出图像,其中M小于N.
    • 3. 发明授权
    • Image processing device and image processing method
    • 图像处理装置及图像处理方法
    • US08264565B2
    • 2012-09-11
    • US12594625
    • 2009-02-05
    • Satoshi SakaguchiTadamasa Toma
    • Satoshi SakaguchiTadamasa Toma
    • H04N5/228H04N7/01H04N5/76H04N5/335
    • H04N5/232G06T3/4053H04N5/23232H04N5/343H04N2101/00
    • 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.
    • 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。
    • 5. 发明授权
    • Filter device, filtering method and filtering program product
    • 过滤装置,过滤方法和过滤程序产品
    • US07636493B2
    • 2009-12-22
    • US10925991
    • 2004-08-26
    • Satoshi SakaguchiShinya KadonoHideaki Shibata
    • Satoshi SakaguchiShinya KadonoHideaki Shibata
    • G06K9/40
    • G06T5/002G06T5/20G06T2200/28
    • A filter device includes a vertical NR process portion, a vertical resolution conversion portion and a vertical NR process decision portion. The vertical NR process portion receives a horizontal NR processed signal and produces an NR processed signal. The vertical resolution conversion portion includes a plurality of resolution conversion filters and uses the NR processed signal to perform a vertical resolution conversion. The vertical NR process decision portion decides whether or not the vertical NR process portion should perform the vertical NR process on the horizontal NR processed signal in accordance with a resolution conversion filter selection signal for selecting one of plurality of resolution conversion filters for the vertical resolution conversion portion.
    • 滤波器装置包括垂直NR处理部分,垂直分辨率转换部分和垂直NR处理决定部分。 垂直NR处理部分接收水平NR处理信号并产生NR处理信号。 垂直分辨率转换部分包括多个分辨率转换滤波器,并且使用NR处理的信号来执行垂直分辨率转换。 垂直NR处理决定部分根据用于选择垂直分辨率转换的多个分辨率转换滤波器中的一个的分辨率转换滤波器选择信号来决定垂直NR处理部分是否应对水平NR处理信号执行垂直NR处理 一部分。
    • 6. 发明申请
    • Filter device, filtering method and filtering program product
    • 过滤装置,过滤方法和过滤程序产品
    • US20050047673A1
    • 2005-03-03
    • US10925991
    • 2004-08-26
    • Satoshi SakaguchiShinya KadonoHideaki Shibata
    • Satoshi SakaguchiShinya KadonoHideaki Shibata
    • G06K9/40G06T5/00G06T5/20
    • G06T5/002G06T5/20G06T2200/28
    • A filter device includes a vertical NR process portion (14), a vertical resolution conversion portion (12) and a vertical NR process decision portion (20). The vertical NR process portion (14) receives a horizontal NR processed signal (26) and produces an NR processed signal (27). The vertical resolution conversion portion (12) includes a plurality of resolution conversion filters and uses the NR processed signal (27) to perform a vertical resolution conversion. The vertical NR process decision portion (20) decides whether or not the vertical NR process portion (14) should perform the vertical NR process on the horizontal NR processed signal (26) in accordance with a resolution conversion filter selection signal (32) for selecting one of plurality of resolution conversion filters for the vertical resolution conversion portion (12).
    • 滤波器装置包括垂直NR处理部分(14),垂直分辨率转换部分(12)和垂直NR处理决定部分(20)。 垂直NR处理部分(14)接收水平NR处理信号(26)并产生NR处理信号(27)。 垂直分辨率转换部分(12)包括多个分辨率转换滤波器,并且使用NR处理信号(27)进行垂直分辨率转换。 垂直NR处理判定部分(20)根据用于选择的水平NR处理信号(26)的分辨率转换滤波器选择信号(32),判定垂直NR处理部分(14)是否应执行垂直NR处理 用于垂直分辨率转换部分(12)的多个分辨率转换滤波器之一。