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    • 4. 发明授权
    • Image processing apparatus and method and image display apparatus
    • 图像处理装置及方法及图像显示装置
    • US08249379B2
    • 2012-08-21
    • US12810448
    • 2009-11-25
    • Shotaro MoriyaNoritaka OkudaSatoshi YamanakaKoji MinamiYoshitaka ToyodaHiroaki Sugiura
    • Shotaro MoriyaNoritaka OkudaSatoshi YamanakaKoji MinamiYoshitaka ToyodaHiroaki Sugiura
    • G06K9/44
    • H04N5/208G06T5/003G06T5/20G06T2207/20192H04N9/68
    • A first intermediate image generating means (1) generates an intermediate image (D1) by extracting a component of an input image DIN in a particular frequency band; a second intermediate image generating means (2) generates an intermediate image D2 having a frequency component higher than the intermediate image (D1); a first intermediate image processing means (3M) generates an intermediate image (D3M) by amplifying the pixel values in the intermediate image (D1); a second intermediate image processing means (3H) generates an intermediate image (D3H) by amplifying the pixel values in the intermediate image (D2); and an adding means (4) adds the input image (DIN) and the intermediate image (D3M) and the intermediate image (D3H) together to obtain an output image (DOUT). A first amplification factor (D3MA) and a second amplification factor (D3HA) are determined according to pixel values in the input image (DIN). Even if the input image includes a fold-over component on the high-frequency side or does not include an adequate high-frequency component, an enhanced image can be provided without causing overshoot.
    • 第一中间图像生成装置(1)通过提取特定频带中的输入图像DIN的分量来生成中间图像(D1) 第二中间图像产生装置(2)产生具有高于中间图像(D1)的频率分量的中间图像D2; 第一中间图像处理装置(3M)通过放大中间图像(D1)中的像素值来生成中间图像(D3M); 第二中间图像处理装置(3H)通过放大中间图像(D2)中的像素值来产生中间图像(D3H); 并且加法装置(4)将输入图像(DIN)和中间图像(D3M)和中间图像(D3H)相加在一起以获得输出图像(DOUT)。 根据输入图像(DIN)中的像素值确定第一放大因子(D3MA)和第二放大因子(D3HA)。 即使输入图像包括在高频侧的折叠分量或不包括适当的高频分量,也可以提供增强的图像而不引起过冲。
    • 5. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD AND IMAGE DISPLAY APPARATUS
    • 图像处理装置和方法以及图像显示装置
    • US20100310166A1
    • 2010-12-09
    • US12810448
    • 2009-11-25
    • Shotaro MoriyaNoritaka OkudaSatoshi YamanakaKoji MinamiYoshitaka ToyodaHiroaki Sugiura
    • Shotaro MoriyaNoritaka OkudaSatoshi YamanakaKoji MinamiYoshitaka ToyodaHiroaki Sugiura
    • G06K9/40G06K9/00
    • H04N5/208G06T5/003G06T5/20G06T2207/20192H04N9/68
    • A first intermediate image generating means (1) generates an intermediate image (D1) by extracting a component of an input image DIN in a particular frequency band; a second intermediate image generating means (2) generates an intermediate image D2 having a frequency component higher than the intermediate image (D1); a first intermediate image processing means (3M) generates an intermediate image (D3M) by amplifying the pixel values in the intermediate image (D1); a second intermediate image processing means (3H) generates an intermediate image (D3H) by amplifying the pixel values in the intermediate image (D2); and an adding means (4) adds the input image (DIN) and the intermediate image (D3M) and the intermediate image (D3H) together to obtain an output image (DOUT). A first amplification factor (D3MA) and a second amplification factor (D3HA) are determined according to pixel values in the input image (DIN). Even if the input image includes a fold-over component on the high-frequency side or does not include an adequate high-frequency component, an enhanced image can be provided without causing overshoot.
    • 第一中间图像生成装置(1)通过提取特定频带中的输入图像DIN的分量来生成中间图像(D1) 第二中间图像产生装置(2)产生具有高于中间图像(D1)的频率分量的中间图像D2; 第一中间图像处理装置(3M)通过放大中间图像(D1)中的像素值来生成中间图像(D3M); 第二中间图像处理装置(3H)通过放大中间图像(D2)中的像素值来产生中间图像(D3H); 并且加法装置(4)将输入图像(DIN)和中间图像(D3M)和中间图像(D3H)相加在一起以获得输出图像(DOUT)。 根据输入图像(DIN)中的像素值确定第一放大因子(D3MA)和第二放大因子(D3HA)。 即使输入图像包括在高频侧的折叠分量或不包括适当的高频分量,也可以提供增强的图像而不引起过冲。
    • 6. 发明申请
    • FRAME INTERPOLATION DEVICE AND METHOD
    • 框架插值装置和方法
    • US20120008689A1
    • 2012-01-12
    • US13071851
    • 2011-03-25
    • Osamu NASUYoshiki OnoToshiaki KuboKoji Minami
    • Osamu NASUYoshiki OnoToshiaki KuboKoji Minami
    • H04N7/26
    • H04N19/587H04N19/132H04N19/53H04N19/57
    • To interpolate a frame between two frames of a video signal, sets of reference images are generated, each set having a different resolution level. Motion between the two frames is estimated at each resolution level by using these sets of reference images. For each pixel processed at each resolution level, multiple motion vector candidates are obtained. Information indicating the multiple motion vector candidates is used to select motion search ranges at the next higher resolution level. To determine the motion search range for a pixel, selected motion vector candidates pertaining both to the pixel itself and to its neighboring pixels are used. An interpolated frame of high image quality is thereby obtainable without increased computation and with reduced risk of major image defects due to erroneous motion estimation.
    • 为了内插视频信号的两帧之间的帧,生成参考图像组,每组具有不同的分辨率级别。 通过使用这些参考图像组,在每个分辨率级别估计两帧之间的运动。 对于在每个分辨率级处理的每个像素,获得多个运动矢量候选。 指示多个运动矢量候选的信息用于选择下一较高分辨率级别的运动搜索范围。 为了确定像素的运动搜索范围,使用与像素本身及其相邻像素相关的所选运动矢量候选。 从而可以在不增加计算的情况下获得高图像质量的内插帧,并且由于错误的运动估计导致主要图像缺陷的风险降低。
    • 10. 发明授权
    • Light receiving and emitting unit and optical pickup using the same
    • 光接收和发射单元和使用其的光学拾取器
    • US07170846B2
    • 2007-01-30
    • US10746328
    • 2003-12-23
    • Koji Minami
    • Koji Minami
    • G11B7/00
    • G11B7/1378G11B7/123G11B7/1275G11B7/1369G11B2007/0006
    • A light receiving and emitting unit has a plurality of light sources, a light receiving element, a light control unit, and an optical block. The optical block has at least a first and a second member formed of a material having birefringent property, and a third member interposed between the first and the second member and formed of a material having lower refractive index than the first and the second members. The light control unit has a crystal thin plate, a pair of electrodes formed on the surfaces of the crystal thin plate so as to sandwich the crystal thin plate for applying a voltage to the voltage application area, and a first and a second insulating member for sandwiching the crystal thin plate so as to cover the electrodes.
    • 光接收和发射单元具有多个光源,光接收元件,光控制单元和光学块。 该光学块具有由具有双折射性的材料形成的至少第一和第二构件,以及插入在第一和第二构件之间并由折射率低于第一和第二构件的材料形成的第三构件。 光控制单元具有晶体薄板,形成在晶体薄板的表面上的一对电极,以将用于向电压施加区域施加电压的晶体薄板夹在中间;以及第一和第二绝缘构件, 夹住晶体薄板以覆盖电极。