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    • 1. 发明专利
    • 結像性能評価装置
    • 成像性能评估设备
    • JP2014206524A
    • 2014-10-30
    • JP2013164030
    • 2013-08-07
    • 三菱電機株式会社Mitsubishi Electric Corp
    • NAKANO YOSHITAKAIMAIZUMI SATOSHISAKAI MARIKOTAMAGAWA YUKIHISA
    • G01M11/02
    • 【課題】計測に用いる被写体が配置されたパターンに回転が発生している場合にも、計測誤差を抑制して結像性能を評価する。【解決手段】点群20で構成された評価パターン2と、評価パターン2の点群20を結像し、点像として射影する光学系1と、光学系1が射影した点像を強度分布に応じて電気信号に変換する検出器3と、検出器3が変換した電気信号を解析して光学系1の点像分布関数を取得する画像処理部4とを備え、点群20における各点は光学系1により射影された点像の射影間隔が検出器3の検出間隔と一致しない間隔で配置されると共に、当該点群の配置領域の任意方向の外形長さと任意方向に直交する方向の外形長さの比&egr;が0.5≦̸&egr;≦̸2.0を満たすものである。【選択図】図1
    • 要解决的问题:即使当包括用于测量的对象的图案旋转时,也可以抑制测量误差来评估成像性能。解决方案:成像性能评估装置包括:由点20组成的评估模式2; 光学系统1,用于对评估图案2的点20进行成像,以将其投影为点图像; 检测器3,其根据强度分布将由光学系统1投影的点图像转换为电信号; 以及图像处理单元4,其分析由检测器3转换的电信号,以获取光学系统1的点图像分布函数。点20中的每一个以间隔布置,使得投影的点图像的投影间隔由 光学系统1与检测器3的检测间隔不一致。 在点组的布置区域的任意方向上的外部长度和与任意方向正交的方向上的外部长度之间满足0.5≤<egr≤2.0。
    • 2. 发明专利
    • Wavefront measuring device
    • WAVEFRONT测量装置
    • JP2013245997A
    • 2013-12-09
    • JP2012118731
    • 2012-05-24
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAKANO YOSHITAKA
    • G01M11/02
    • PROBLEM TO BE SOLVED: To provide a wavefront measuring device capable of measuring a shape of an image forming wavefront with high accuracy as a result by enabling the center of gravity to be computed with high accuracy even when a light source of low uniformity is used for a visual field range.SOLUTION: A wavefront measuring device measures a shape of an image forming wavefront by dividing an image-formed light beam into a plurality of light fluxes and measuring propagating directions of the light fluxes. The wavefront measuring device comprises a field diaphragm 2 including a cross-shaped opening part which determines a field of view of the image-formed light beam.
    • 要解决的问题:为了提供能够以高精度测量图像形成波阵面的形状的波前测量装置,由于能够以高精度计算重心,即使当使用低均匀性的光源时 视野范围。解决方案:波前测量装置通过将图像形成的光束分成多个光束并测量光束的传播方向来测量图像形成波阵面的形状。 波前测量装置包括场隔膜2,其包括确定图像形成的光束的视场的十字形开口部分。
    • 3. 发明专利
    • Imaging apparatus, and rotation optical magnification device
    • 成像装置和旋转光学放大装置
    • JP2010263543A
    • 2010-11-18
    • JP2009114395
    • 2009-05-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAKANO YOSHITAKATAMAGAWA YUKIHISA
    • H04N5/225G03B17/17H04N5/232
    • PROBLEM TO BE SOLVED: To provide a compact imaging apparatus which switches focal distance at high speed without moving an objective optical element and a solid-state imaging element.
      SOLUTION: A position of the objective optical element 10 and a position of the solid-state imaging element 30 as a focal position are made fixed, and a rotation optical magnification device 20 located between those elements switches optical elements by rotation driving at a right angle to the optical axis of the objective optical element 10 to switch the focal distances. A magnification changing section 70 reads out an image of a frame either before or after the focal distance switching, and converts it by reduction or magnification according to the size of the image of the other frame, so that a translation amount operating section 80 calculates a translation amount generated between the images before and after the switching.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种在不移动物镜光学元件和固态成像元件的情况下高速切换焦距的紧凑型成像装置。 解决方案:将物镜光学元件10的位置和作为焦点位置的固态成像元件30的位置固定,并且位于这些元件之间的旋转光学倍率装置20通过旋转驱动将光学元件切换 与物镜光学元件10的光轴成直角以切换焦距。 放大率变更部70在焦距切换前后读出帧的图像,并根据其他帧的图像的大小通过缩小或放大进行变换,使得平移量运算部80计算出 在切换前后的图像之间产生的平移量。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Image processing apparatus
    • 图像处理设备
    • JP2010251958A
    • 2010-11-04
    • JP2009097895
    • 2009-04-14
    • Mitsubishi Electric Corp三菱電機株式会社
    • MATSUMOTO YOSHIHIRONAKANO YOSHITAKATAMAGAWA YUKIHISA
    • H04N9/04G06T1/00
    • PROBLEM TO BE SOLVED: To obtain an image processing apparatus for correcting the influence of the dispersion and absorption of optical waves which occur during passing in an atmosphere, with high accuracy, even for any image picked-up from an optical sensor having any imaging wavelength band, if the wavelength band of the picked-up image is already been known.
      SOLUTION: The image processing apparatus includes a histogram analyzing part 2 for performing histogram analysis of image data imaged in a plurality of different wavelength bands that are inputted; a wavelength-band information outputting part 3 for calculating the imaging wavelength of the image data imaged in the plurality of different wavelength bands that are inputted; and a wavelength-correlation offset gain correcting means 4 and 5 for calculating the luminance value offset correction amount, to perform correction processing of a luminance value offset and calculate the luminance value gain correction amount for performing correction processing of a luminance value gain from the histogram analysis and the imaging wavelength, with respect to each piece of image data.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:为了获得用于校正在大气中通过期间发生的光波的色散和吸收的影响的图像处理装置,即使对于从具有 任何成像波长带,如果拾取图像的波长带已经是已知的。 解决方案:图像处理装置包括用于对输入的多个不同波长带中成像的图像数据进行直方图分析的直方图分析部2; 波长带信息输出部分3,用于计算在输入的多个不同波长带中成像的图像数据的成像波长; 以及用于计算亮度值偏移校正量的波长相关偏移增益校正装置4和5,以执行亮度值偏移的校正处理,并且计算用于从直方图进行亮度增益的校正处理的亮度值增益校正量 分析和成像波长,相对于每幅图像数据。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Image acquisition device
    • 图像采集设备
    • JP2007278724A
    • 2007-10-25
    • JP2006101914
    • 2006-04-03
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAKANO YOSHITAKATAMAGAWA YUKIHISA
    • G01J1/04G01J1/02
    • PROBLEM TO BE SOLVED: To provide an image acquisition device, wherein a light quantity loss is reduced in a beam having a plurality of wavelength bands which are detection objects, when detecting each light intensity of the plurality of wavelength bands and generating a light intensity image from detection result.
      SOLUTION: This device is equipped with conversion devices for converting the light intensity of an optical image, having a mutually different wavelength band into an electric signal, and a reflecting part for reflecting a part of a beam from an imaging optical system. The light intensity of a beam, reflected by the reflection part, is measured by one conversion device, and the light intensity of a beam that is not reflected thereby is measured by another conversion device, to thereby acquire a light intensity image with the light quantity loss reduced in the plurality of wavelength bands.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种图像获取装置,其中当检测到多个波长带中的每个光强度并且产生一个或多个波长带时,在具有作为检测对象的多个波长带的波束中减少光量损失 来自检测结果的光强图像。 解决方案:该装置配备有用于将具有相互不同的波长带的光学图像的光强度转换成电信号的转换装置和用于反射来自成像光学系统的光束的一部分的反射部分。 通过一个转换装置测量由反射部分反射的光束的光强度,并且通过另一转换装置测量不被其反射的光束的光强度,从而获得具有光量的光强度图像 在多个波长带中的损耗减小。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • 結像性能評価装置
    • 成像性能评估设备
    • JP2014224766A
    • 2014-12-04
    • JP2013104183
    • 2013-05-16
    • 三菱電機株式会社Mitsubishi Electric Corp
    • IMAIZUMI SATOSHINAKANO YOSHITAKA
    • G01M11/02G02B17/00
    • 【課題】広いダイナミックレンジを有する光検出器を用いることなく、高精度に収差を判別することができる結像性能評価装置を得ることを目的とする。【解決手段】矩形ビーム発生装置1が、撮像光学系2の光軸回りに矩形ビームを回転させる回転機構14を実装することで、矩形ビーム発生装置1から、光軸に対する角度が異なる矩形ビームが撮像光学系2に放射されるように構成する。これにより、広いダイナミックレンジを有する光検出器を用いることなく、高精度に収差を判別することができるようになる。【選択図】図1
    • 要解决的问题:提供一种能够在不使用具有宽动态范围的光电检测器的情况下高精度地鉴别像差的成像性能评估装置。解决方案:成像性能评估装置被构造成使得与光轴具有不同角度的矩形束 通过安装在矩形光束产生装置1上,用于使矩形光束围绕成像光学系统2的光轴旋转的旋转机构14,从矩形光束产生装置1照射到成像光学系统2。
    • 8. 发明专利
    • Wavefront measuring device and wavefront measuring method
    • WAVEFRONT测量装置和WAVEFRONT测量方法
    • JP2013246016A
    • 2013-12-09
    • JP2012119268
    • 2012-05-25
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAKANO YOSHITAKA
    • G01J9/00G01M11/02
    • PROBLEM TO BE SOLVED: To measure the shape of a wavefront with accuracy which is not varied at all the time, through simple signal processing.SOLUTION: A wavefront measuring device comprises an image input section 1, a spot detection section 2, a linear component removal section 3, a Fourier analysis section 4, and a wavefront aberration output section 5. The image input section 1 inputs an image. The spot detection section 2 detects the position of a spot which is formed from the image by a microlens array. The linear component removal section 3 removes a linear component of a positional displacement amount of the spot based on the detected position of the spot. The Fourier analysis section 4 calculates an aberration as a spatial frequency component by performing Fourier transformation on the positional displacement amount of the spot from which the linear component has been removed. The wavefront aberration output section 5 outputs the aberration calculated by the Fourier transformation section 4.
    • 要解决的问题:通过简单的信号处理来测量一直不变的精度的波前形状。解决方案:波前测量装置包括图像输入部分1,点检测部分2,线性分量 去除部分3,傅立叶分析部分4和波前像差输出部分5.图像输入部分1输入图像。 斑点检测部分2通过微透镜阵列检测由图像形成的斑点的位置。 线性分量去除部分3基于检测到的点的位置去除斑点的位置偏移量的线性分量。 傅里叶分析部分4通过对已经去除了线性分量的斑点的位置偏移量执行傅里叶变换来计算像差作为空间频率分量。 波前像差输出部5输出由傅立叶变换部4计算出的像差。
    • 9. 发明专利
    • Image processor and image processing method
    • 图像处理器和图像处理方法
    • JP2013225243A
    • 2013-10-31
    • JP2012097682
    • 2012-04-23
    • Mitsubishi Electric Corp三菱電機株式会社
    • SAKAI MARIKOMATSUMOTO YOSHIHIRONAKANO YOSHITAKA
    • G06T1/00G06T5/00
    • PROBLEM TO BE SOLVED: To provide an image processor which corrects radiance of the respective pixels constituting an image observed by a sensor with high accuracy without utilizing topographic data.SOLUTION: An image processor is provided with an atmospheric scattering radiance calculation unit 5 which calculates a component having a dependence on observation environment of a multispectral sensor by using the minimum luminance value in an image, and an atmospheric scattering radiance ratio which is a component having a dependence on a wavelength band, and calculates atmospheric scattering radiance from the component having the dependence on the observation environment and the atmospheric scattering radiance ratio. The image processor corrects radiance values of the respective pixels constituting the image observed by the multispectral sensor by using the atmospheric scattering radiance calculated by the atmospheric scattering radiance calculation unit 5 and known atmospheric transmittance.
    • 要解决的问题:提供一种图像处理器,其能够以高精度校正构成由传感器观察到的图像的各个像素的辐射度,而不利用地形数据。解决方案:图像处理器设置有大气散射辐射计算单元5,其计算 通过使用图像中的最小亮度值与依赖于多光谱传感器的观察环境的分量,以及作为与波长带相关的分量的大气散射辐射比,并且从具有依赖性的分量计算大气散射辐射度 观测环境和大气散射辐射率。 图像处理器通过使用由大气散射辐射计算单元5计算出的大气散射辐射和已知的大气透射率来校正构成由多光谱传感器观察到的图像的各个像素的辐射度值。
    • 10. 发明专利
    • Imaging apparatus
    • 成像设备
    • JP2013024968A
    • 2013-02-04
    • JP2011157723
    • 2011-07-19
    • Mitsubishi Electric Corp三菱電機株式会社
    • IMAIZUMI SATOSHINAKANO YOSHITAKA
    • G03B37/00G03B15/00G03B37/02H04N5/225H04N5/232
    • PROBLEM TO BE SOLVED: To provide an imaging apparatus that can use a small line-of-sight scanning optical element, and enables high resolution imaging by suppressing moment variations by the line-of-sight scanning optical element and stabilizing the posture of the imaging apparatus.SOLUTION: An imaging apparatus includes a detector 5 for detecting incident light from a subject, optical systems (2,3) that focus incident light on a position on the detector 5, and a line-of-sight scanning optical element 4 that are arranged on the exit pupil side of the optical systems (2,3) and correct the movement of focus position of the incident light caused by the movement of an imaging apparatus 1.
    • 要解决的问题:为了提供一种能够使用小的视距扫描光学元件的成像装置,并且通过抑制由视线扫描光学元件的力矩变化并使姿势稳定而能够进行高分辨率成像 的成像装置。 解决方案:成像装置包括用于检测来自被摄体的入射光的检测器5,将入射光聚焦在检测器5上的位置的光学系统(2,3)和视线扫描光学元件4 其布置在光学系统(2,3)的出射光瞳侧,并且校正由成像设备1的移动引起的入射光的聚焦位置的移动。版权所有(C)2013,JPO&INPIT