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1. 发明专利

JP2014150295A Noise reduction device, display device, noise reduction method, and noise reduction program 审中-公开
标题翻译：噪声减少装置，显示装置，噪声减少方法和噪声减少程序
公开(公告)号：JP2014150295A
公开(公告)日：2014-08-21
申请号：JP2011116017
申请日：2011-05-24
申请人： Sharp Corp , シャープ株式会社
发明人： MINE TAKASHI , MURAHASHI YOSHIMITSU , NUMAO KOJI , GOSHI SEIICHI
IPC分类号： H04N5/21 , H04B1/10
CPC分类号： H04N5/21
摘要： PROBLEM TO BE SOLVED: To reduce the capacity of a memory for storing image data when reducing noise superimposed on an image.SOLUTION: A noise reduction device comprises: a magnitude relationship storage unit 33 that stores information indicating a magnitude relationship between a target pixel to be subjected to noise reduction and a comparison pixel separated by a predetermined interval; and a noise reduction unit 32 that reads the information indicating the magnitude relationship from the magnitude relationship storage unit 33, and reduces noise of the target pixel on the basis of the read information indicating the magnitude relationship.
摘要翻译：要解决的问题：降低在叠加在图像上的噪声减少时用于存储图像数据的存储器的容量。解决方案：降噪装置包括：大小关系存储单元33，其存储指示目标像素与经受噪声降低和以预定间隔分开的比较像素; 以及噪声降低单元32，其从大小关系存储单元33读取指示大小关系的信息，并且基于指示大小关系的读取信息来减少目标像素的噪声。

2. 发明专利

JP2014225716A 雑音低減装置、表示装置、雑音低減方法および雑音低減プログラム审中-公开
标题翻译：噪声减少装置，显示装置，噪声减少方法和噪声减少程序
公开(公告)号：JP2014225716A
公开(公告)日：2014-12-04
申请号：JP2011203111
申请日：2011-09-16
申请人：シャープ株式会社 , Sharp Corp
发明人： SAWADA DAIJI , MURAHASHI YOSHIMITSU
IPC分类号： H04N5/21
CPC分类号： H04N5/21
摘要：【課題】ぼけ感を抑えつつ、画像に含まれるノイズを低減する。【解決手段】複数のノイズ低減処理部(50_1〜50_N)と、画像信号に含まれるノイズ量を検出するノイズ量検出部30と、ノイズ量検出部30が検出したノイズ量に基づいて、ノイズ低減処理部(50_1〜50_N)毎にノイズ低減するか否かを判定する判定処理部40と、を備え、判定処理部40によりノイズを低減すると判定されたノイズ低減処理部は、ノイズ量検出部30が検出したノイズ量に基づいて、前段のノイズ低減処理部が処理した信号に含まれるノイズを低減し、判定処理部40によりノイズを低減しないと判定されたノイズ低減処理部は、前段のノイズ低減処理部が処理した信号に含まれるノイズを低減しないことを特徴とする。【選択図】図3
摘要翻译：要解决的问题：减少图像中包含的噪声，同时抑制模糊感觉。解决方案：降噪装置包括多个降噪处理部分（50_1-50_N），噪声量检测部分30，用于检测包括在图像信号中的噪声，以及用于确定每个噪声降低处理部分（50_1-50_N）是否减小噪声的确定处理部分40。基于由噪声量检测部分30检测的噪声量，由确定处理部分40确定的降低噪声的噪声降低处理部分减少由预分频器上的噪声降低处理部分处理的信号中包括的噪声。噪声由决定处理部40判定为不降低噪声的缩小处理部不会降低由前级的噪声降低处理部处理的信号中包含的噪声。

3. 发明专利

JP2014123785A Noise reducing device, display device, noise reducing method, and noise reducing program 审中-公开
标题翻译：噪音降低装置，显示装置，噪声减少方法和噪声减少程序
公开(公告)号：JP2014123785A
公开(公告)日：2014-07-03
申请号：JP2011072884
申请日：2011-03-29
申请人： Sharp Corp , シャープ株式会社
发明人： SAWADA DAIJI , MURAHASHI YOSHIMITSU , GOSHI SEIICHI , NUMAO KOJI , MINE TAKASHI
IPC分类号： H04N5/21
CPC分类号： H04N5/21 , G06T5/002 , G06T2207/10016 , H04N5/142
摘要： PROBLEM TO BE SOLVED: To reduce noise of an image without blurring an edge portion.SOLUTION: A noise reducing device comprises: an edge determining unit 50 that on the basis of a target pixel to be subjected to noise reduction and an edge determining comparison pixel having a predetermined positional relationship with the target pixel, determines whether the target pixel is an edge; and a noise reducing unit 42 that reduces noise of the target pixel on the basis of the target pixel and a noise reducing comparison pixel having a predetermined positional relationship with the target pixel when the edge determining unit 50 determines that the target pixel is not an edge.
摘要翻译：要解决的问题：降低图像的噪声而不会使边缘部分模糊。解决方案：降噪装置包括：边缘确定单元50，其基于要进行降噪的目标像素和边缘确定比较像素与目标像素具有预定的位置关系，确定目标像素是否是边缘; 以及噪声降低单元42，当边缘确定单元50确定目标像素不是边缘时，基于目标像素降低目标像素的噪声和与目标像素具有预定位置关系的降噪比较像素。

4. 发明专利

JP2014053806A Noise reduction device, processor, video display device, noise reduction method and program 有权
标题翻译：噪声减少装置，处理器，视频显示装置，噪声减少方法和程序
公开(公告)号：JP2014053806A
公开(公告)日：2014-03-20
申请号：JP2012197587
申请日：2012-09-07
申请人： Sharp Corp , シャープ株式会社
发明人： MINE TAKASHI , MURAHASHI YOSHIMITSU
IPC分类号： H04N5/21 , G06T5/00 , G09G5/00
摘要： PROBLEM TO BE SOLVED: To provide a noise reduction device for reducing noise and suppressing deterioration of contrast caused due to digitization after addition of the noise.SOLUTION: The noise reduction device to a digitized video signal includes: a noise determination section for detecting a pixel including positive noise in a pixel value and a pixel including negative noise in the pixel value among pixels which the video signal shows; a clipping determination section for determining whether or not the pixel which the noise determination section detects is the pixel whose pixel value is clipped during digitization; a pixel value change section for changing the pixel value of the pixel which the noise determination section detects by using a pixel value change method corresponding to a determination result of the pixel by the clipping determination section.
摘要翻译：要解决的问题：提供一种降噪装置，用于在增加噪声之后降低噪声并抑制由于数字化引起的对比度的恶化。解决方案：数字化视频信号的降噪装置包括：噪声确定部分，用于检测像素包括像素值中的正噪声和包括视频信号所示的像素之间的像素值中的负噪声的像素; 剪辑确定部分，用于确定噪声确定部分检测到的像素是否是在数字化期间像素值被剪切的像素; 像素值变更部，其通过使用与所述像素的判定结果相对应的像素值变更方法来变更所述噪声判定部检测出的像素的像素值。

5. 发明专利

JP2013143619A Noise reduction device, display device, method and program for reducing noise 审中-公开
标题翻译：噪声减少装置，显示装置，减少噪声的方法和程序
公开(公告)号：JP2013143619A
公开(公告)日：2013-07-22
申请号：JP2012002006
申请日：2012-01-10
申请人： Sharp Corp , シャープ株式会社
发明人： SAWADA DAIJI , MURAHASHI YOSHIMITSU
IPC分类号： H04N5/21 , G09G3/20 , G09G3/36 , G09G5/00 , G09G5/02 , G09G5/36 , G09G5/391 , H04N5/66 , H04N9/64
摘要： PROBLEM TO BE SOLVED: To provide a noise reduction device, a display device, and method and program for reducing noise, capable of reducing blurring of an image while reducing noise.SOLUTION: A noise reduction device includes a noise reduction unit 100a for reducing noise included in a pixel value of a pixel on the basis of at least information indicating a color of the pixel. The noise reduction unit, when the color of the pixel is a predetermined color, makes a degree of noise reduction when reducing noise included in the pixel value of the pixel smaller than that of the other colors. The predetermined color is green. The noise reduction unit reduces the noise included in the pixel value of the pixel on the basis of the color of the pixel and a frequency component in an image region including the pixel.
摘要翻译：要解决的问题：提供一种降低噪声的降噪装置，显示装置以及用于降低噪声的方法和程序，能够减少噪点，同时降低图像的模糊。解决方案：降噪装置包括用于降低噪声的降噪单元100a 基于至少表示像素的颜色的信息，包含在像素的像素值中。当像素的颜色是预定颜色时，噪声降低单元在减小包括在像素的像素值中的噪声时降低噪点的程度小于其它颜色的像素值。预定颜色为绿色。噪声降低单元基于像素的颜色和包括像素的图像区域中的频率分量来减少包括在像素的像素值中的噪声。

6. 发明专利

JP2013106172A Directional speaker device 审中-公开
标题翻译：方向扬声器装置
公开(公告)号：JP2013106172A
公开(公告)日：2013-05-30
申请号：JP2011248342
申请日：2011-11-14
申请人： Sharp Corp , シャープ株式会社
发明人： SATO SUMIO , HATTORI NAGAO , MURAHASHI YOSHIMITSU
IPC分类号： H04R1/40 , H04R3/12
CPC分类号： H04R1/403 , H04R5/02 , H04R2499/11 , H04R2499/13 , H04R2499/15 , H04S7/301 , H04S2420/13
摘要： PROBLEM TO BE SOLVED: To provide a directional speaker device that enables an aliasing-free frequency band to be expanded through reduction of the distance between speakers while maintaining sound pressure output performance of the speakers.SOLUTION: The directional speaker device related to the present invention comprises multiple non-circular speakers (exemplified by five elliptical speakers (42a) to (42e)) arranged adjacently to each other. Here, each non-circular speaker adjoins a neighboring non-circular speaker via a section other than the section where the diameter is the longest. In addition, in the directional speaker device related to the present invention, at least two sound signals among those output from the non-circular speakers have different amounts of delay and/or gain from each other.
摘要翻译：要解决的问题：提供一种定向扬声器装置，其能够通过减少扬声器之间的距离来扩展无混叠频带，同时保持扬声器的声压输出性能。解决方案：与本发明相关的定向扬声器装置包括彼此相邻布置的多个非圆形扬声器（由五个椭圆形扬声器（42a）至（42e）示例）。这里，每个非圆形扬声器经由除了直径最长的部分之外的部分邻接相邻的非圆形扬声器。此外，在与本发明相关的定向扬声器装置中，从非圆形扬声器输出的那些中的至少两个声音信号彼此具有不同的延迟和/或增益量。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2010268211A Device for correcting signal, voice processor, and method for amplifying pulse 有权
标题翻译：用于校正信号的设备，语音处理器和放大脉冲的方法
公开(公告)号：JP2010268211A
公开(公告)日：2010-11-25
申请号：JP2009117703
申请日：2009-05-14
申请人： Sharp Corp , シャープ株式会社
发明人： MURAHASHI YOSHIMITSU
IPC分类号： H03F3/217 , H03F1/32 , H03K3/017 , H03K7/08
摘要： PROBLEM TO BE SOLVED: To achieve sound quality improvement while suppressing an increase in cost as much as possible, in class D amplification processing which amplifies a pulse signal.
SOLUTION: A pulse width adjusting part 30 of a voice processor 10 adjusts the pulse width of a pulse signal modulated and outputted by a ΔΣ modulator 20, and outputs the pulse signal to a power amplifying part 40. A signal (y) amplified by a class D amplifying part 42 is returned to the pulse width adjusting part 30 through a feedback part 50. A waveform converter 31 of the pulse width adjusting part 30 generates a trapezoid signal (Xt) on the basis of a pulse signal (X) of a rectangular waveform outputted from the ΔΣ modulator 20, and outputs the trapezoid signal (Xt) to an outputting comparator 32. The outputting comparator 32 compares the trapezoid signal (Xt) outputted from the waveform converter 31 with the output of an integrator 35, and outputs a signal the pulse width of which is adjusted to the class D amplifying part 42.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了在尽可能地抑制成本增加的同时实现音质提高，在放大脉冲信号的D类放大处理中。解决方案：语音处理器10的脉冲宽度调节部分30调整由ΔΣ调制器20调制和输出的脉冲信号的脉冲宽度，并将该脉冲信号输出到功率放大部分40.信号（y）由D类放大部分42放大的信号通过反馈部分50返回到脉冲宽度调节部分30.脉冲宽度调节部分30的波形转换器31基于脉冲信号（X）产生梯形信号（Xt））从ΔΣ调制器20输出的矩形波形，并将梯形信号（Xt）输出到输出比较器32.输出比较器32将从波形转换器31输出的梯形信号（Xt）与积分器35的输出进行比较，并将其脉宽调整的信号输出到D类放大部分42.版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2009135717A Δσ modulation device, cutoff method, program, and recording medium 有权
标题翻译： DeltaSigma调制装置，CUTOFF方法，程序和记录介质
公开(公告)号：JP2009135717A
公开(公告)日：2009-06-18
申请号：JP2007309522
申请日：2007-11-29
申请人： Sharp Corp , シャープ株式会社
发明人： MURAHASHI YOSHIMITSU
IPC分类号： H03F1/00 , H03F3/217 , H03M3/02
摘要： PROBLEM TO BE SOLVED: To reduce pop noise occurring when muting a ΔΣ modulated signal. SOLUTION: A ΔΣ-modulation digital amplifier 100 is provided with a selection circuit 140 for cutting off transmission of switching signals #51 and #52 being ΔΣ modulated signals. The selection circuit 140 cuts off transmission of the switching signals #51 and #52 by control of a mute control circuit 180 when a primary integral value calculated by an integrator circuit 110 is within a prescribed range including zero. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：减少静音ΔΣ调制信号时出现的弹奏噪声。解决方案：ΔΣ调制数字放大器100设置有用于切断作为ΔΣ调制信号的开关信号＃51和＃52的传输的选择电路140。当由积分器电路110计算的初级积分值在包括零的规定范围内时，选择电路140通过静音控制电路180的控制来切断开关信号＃51和＃52的传输。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008278401A Multiplexed signal transmission system and multiplexed signal transmitting method 有权
标题翻译：多信号信号传输系统和多路复用信号传输方法
公开(公告)号：JP2008278401A
公开(公告)日：2008-11-13
申请号：JP2007122208
申请日：2007-05-07
申请人： Sharp Corp , シャープ株式会社
发明人： MURAHASHI YOSHIMITSU
IPC分类号： H04J1/00
摘要： PROBLEM TO BE SOLVED: To provide a multiplexed signal transmission system and a multiplexed signal transmitting method that can separate one of a plurality of signals, superposed one over another as a multiplexed signal, on a reception side with simple constitution.
SOLUTION: In a multiplexing transmission device 4, a modulation signal generator 42 generates a modulation signal for multiplexing on the basis of a synchronizing signal, and multiplexers Ad2 to Ad4 and an adder Ce use the modulation signal for multiplexing to superpose the synchronizing signal and a plurality of input signals dispersedly in different bands. In a demultiplexing reception device 5, an LPF 51a demodulates the synchronizing signal from the multiplexed signal, a modulation signal generator 52 frequency-shifts the multiplexed signal on the basis of the demodulated synchronizing signal so that one of the plurality of input signals may be put back to the original frequency band and thus outputs the frequency-shifted multiplexed signal, and an LPF 51b demodulates the frequency-shifted multiplexed signal.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种复用信号传输系统和多路复用信号发送方法，其可以以简单的结构在接收侧分离多个信号之一，作为复用信号叠加在另一个信号上。解决方案：在复用传输设备4中，调制信号发生器42基于同步信号产生用于复用的调制信号，并且多路复用器Ad2至Ad4和加法器Ce使用用于复用的调制信号来叠加同步信号和分散在不同频带中的多个输入信号。在解复用接收装置5中，LPF51a对来自多路复用信号的同步信号进行解调，调制信号发生器52根据解调的同步信号对多路复用信号进行频移，使多个输入信号中的一个输入信号返回到原始频带，从而输出频移复用信号，并且LPF51b对频移复用信号进行解调。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2014150296A Image processing apparatus and image processing method 审中-公开
标题翻译：图像处理设备和图像处理方法
公开(公告)号：JP2014150296A
公开(公告)日：2014-08-21
申请号：JP2011117200
申请日：2011-05-25
申请人： Sharp Corp , シャープ株式会社
发明人： MINE TAKASHI , MURAHASHI YOSHIMITSU , GOSHI SEIICHI , NUMAO KOJI , SAWADA DAIJI
IPC分类号： H04N5/21
CPC分类号： H04N5/213 , G06T5/002
摘要： PROBLEM TO BE SOLVED: To provide an image processing device and an image processing method which, in the case of a weak electric field where noise superposed on an image signal is large, can remove noise in a pixel remaining as an isolated point after a noise reduction process.SOLUTION: The present invention comprises: a noise removal unit for removing noise by comparing image data between an object pixel to be removed of noise and a plurality of peripheral pixels adjacent to the object pixel, and by adding or subtracting a preset amount of noise to or from the pixel value of the object pixel on the basis of the comparison result; and an isolated point removal unit for performing, on the object pixel having had its noise removed by the noise removal unit, a process using the adjacent pixels adjoining the object pixel. The isolated point removal unit extracts, as a center pixel value, a pixel value at center between the pixel value of the object pixel and the pixel value of the peripheral pixels, and uses the center pixel value thus extracted as a pixel value of the object pixel.
摘要翻译：要解决的问题：提供一种图像处理装置和图像处理方法，其在叠加在图像信号上的噪声较弱的弱电场的情况下可以消除作为噪声之后的孤立点剩余的像素中的噪声本发明包括：噪声消除单元，用于通过比较要去除噪声的对象像素与与对象像素相邻的多个周边像素之间的图像数据，以及通过相加或减去预设量来除去噪声基于所述比较结果对所述对象像素的像素值进行噪声; 以及孤立点去除单元，用于在已经通过噪声去除单元去除噪声的对象像素上执行使用邻接对象像素的相邻像素的处理。孤立点去除单元将对象像素的像素值与周边像素的像素值之间的中心处的像素值提取为中心像素值，并使用如此提取的中心像素值作为对象的像素值像素。

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