公开(公告)号：US09100641B2

公开(公告)日：2015-08-04

申请号：US14046230

申请日：2013-10-04

申请人： CALIFORNIA INSTITUTE OF TECHNOLOGY

发明人： Morteza Gharib ,  Jian Lu ,  Emilio Graff ,  Francisco Pereira

IPC分类号： H04N13/02 ,  G01B11/25 ,  G02B5/00 ,  G03B15/12 ,  G03B35/02 ,  G06T7/00

CPC分类号： H04N13/254 ,  G01B11/2509 ,  G02B5/005 ,  G02B2207/129 ,  G03B15/12 ,  G03B35/02 ,  G06T7/50 ,  H04N13/204 ,  H04N13/207

摘要： A device and method for three-dimensional (3-D) imaging using a defocusing technique is disclosed. The device comprises a lens, a central aperture located along an optical axis for projecting an entire image of a target object, at least one defocusing aperture located off of the optical axis, a sensor operable for capturing electromagnetic radiation transmitted from an object through the lens and the central aperture and the at least one defocusing aperture, and a processor communicatively connected with the sensor for processing the sensor information and producing a 3-D image of the object. Different optical filters can be used for the central aperture and the defocusing apertures respectively, whereby a background image produced by the central aperture can be easily distinguished from defocused images produced by the defocusing apertures.

摘要翻译： 公开了一种使用散焦技术进行三维（3-D）成像的装置和方法。 该装置包括透镜，沿着光轴定位的中心孔，用于投影目标物体的整个图像，位于光轴外的至少一个散焦孔;可操作用于捕获从物体透过透镜的电磁辐射的传感器 以及与所述传感器通信地连接的处理所述传感器信息并产生所述对象的3D图像的处理器。 可以分别使用不同的光学滤光器用于中心孔和散焦孔，由此可以容易地区分由中心孔产生的背景图像与由散焦孔产生的散焦图像。

公开(公告)号：US20150169807A1

公开(公告)日：2015-06-18

申请号：US14611844

申请日：2015-02-02

申请人： Kathrin Berkner ,  Sapna A. Shroff

发明人： Kathrin Berkner ,  Sapna A. Shroff

IPC分类号： G06F17/50 ,  G02B5/30 ,  G02B5/20 ,  G01J4/00 ,  G01J3/02

CPC分类号： G06F17/5009 ,  G01J1/0492 ,  G01J3/0208 ,  G01J3/0224 ,  G01J3/0229 ,  G01J3/2823 ,  G01J3/36 ,  G01J4/00 ,  G02B5/201 ,  G02B5/3025 ,  G02B2207/129 ,  H04N5/2254 ,  H04N9/045

摘要： A method for designing the spatial partition of a filter module used in an aperture-multiplexed imaging system. The filter module is spatially partitioned into filter cells, and the spatial partition is designed by considering data captured at the sensor in light of an application-specific performance metric.

摘要翻译： 一种用于设计在孔径复用成像系统中使用的滤波器模块的空间分区的方法。 滤波器模块在空间上划分为过滤器单元，并且通过考虑根据应用特定的性能度量在传感器处捕获的数据来设计空间分区。

公开(公告)号：US20150015693A1

公开(公告)日：2015-01-15

申请号：US13937331

申请日：2013-07-09

申请人： Erwan Baleine ,  Varun A V ,  Paul J. Zombo ,  Zubin Varghese

发明人： Erwan Baleine ,  Varun A V ,  Paul J. Zombo ,  Zubin Varghese

IPC分类号： H04N7/18

CPC分类号： H04N7/183 ,  G02B23/2469 ,  G02B23/26 ,  G02B27/58 ,  G02B2207/129

摘要： A system and a method for image acquisition suitable for use in a turbine engine are disclosed. Light received from a field of view in an object plane is projected onto an image plane through an optical modulation device and is transferred through an image conduit to a sensor array. The sensor array generates a set of sampled image signals in a sensing basis based on light received from the image conduit. Finally, the sampled image signals are transformed from the sensing basis to a representation basis and a set of estimated image signals are generated therefrom. The estimated image signals are used for reconstructing an image and/or a motion-video of a region of interest within a turbine engine.

摘要翻译： 公开了一种适用于涡轮发动机的图像采集系统和方法。 从物体平面中的视野接收的光通过光学调制装置投影到图像平面上，并通过图像导管传送到传感器阵列。 传感器阵列基于从图像导管接收的光在感测的基础上产生一组采样的图像信号。 最后，将采样的图像信号从感测基础变换为基于表示，并从其生成一组估计的图像信号。 估计的图像信号用于重建涡轮发动机内的感兴趣区域的图像和/或运动视频。

公开(公告)号：US08432479B2

公开(公告)日：2013-04-30

申请号：US12770830

申请日：2010-04-30

申请人： Paul J. Kane ,  Sen Wang

发明人： Paul J. Kane ,  Sen Wang

IPC分类号： H04N5/225 ,  G03B13/00

CPC分类号： G02B27/0075 ,  G02B2207/129 ,  G06T7/571 ,  G06T2207/10016 ,  G06T2207/10148

摘要： A method of using an image capture device to identify range information for objects in a scene, includes providing an image capture device having at least one image sensor, a lens and a coded aperture, storing in a memory a set of blur kernels derived from range calibration data for the coded aperture, capturing a first and second image of the scene having a plurality of objects, corresponding to first and second optical magnifications, respectively. The method further includes providing a set of deblurred images using the capture images from each magnification and each of the blur kernels from the stored set, and using the set of deblurred images to determine the range information for the objects in the scene.

摘要翻译： 一种使用图像捕获装置识别场景中的物体的范围信息的方法，包括：提供具有至少一个图像传感器，透镜和编码孔径的图像捕获装置，在存储器中存储从范围导出的一组模糊粒子 编码孔径的校准数据分别对应于第一和第二光学放大率捕获具有多个对象的场景的第一和第二图像。 该方法还包括使用来自存储组的每个放大倍率和每个模糊内核的捕获图像提供一组去模糊图像，并且使用一组去模糊图像来确定场景中的对象的范围信息。

公开(公告)号：US08259306B2

公开(公告)日：2012-09-04

申请号：US13023316

申请日：2011-02-08

申请人： Morteza Gharib ,  Emilio Graff ,  Francisco Pereira

发明人： Morteza Gharib ,  Emilio Graff ,  Francisco Pereira

IPC分类号： G01B11/24

CPC分类号： H04N13/254 ,  G01B11/2509 ,  G02B5/005 ,  G02B2207/129 ,  G03B15/12 ,  G03B35/02 ,  G06T7/50 ,  H04N13/204 ,  H04N13/207

摘要： A device and method for three-dimensional (3-D) imaging using a defocusing technique is disclosed. The device comprises a lens having a substantially oblong aperture, a sensor operable for capturing light transmitted from an object through the lens and the substantially oblong aperture, and a processor communicatively connected with the sensor for processing the sensor information and producing a 3-D image of the object. The aperture may have an asymmetrical shape for distinguishing objects in front of versus in back of the focal plane. The aperture may also be rotatable, where the orientation of the observed pattern relative to the oblong aperture is varied with time thereby removing the ambiguity generated by image overlap. The disclosed device further comprises a light projection system configured to project a predetermined pattern onto a surface of the desired object thereby allowing for mapping of unmarked surfaces in three dimensions.

摘要翻译： 公开了一种使用散焦技术进行三维（3-D）成像的装置和方法。 该装置包括具有基本长椭圆孔的透镜，可操作用于捕获从物体通过透镜和基本上长椭圆孔透射的光的传感器，以及与该传感器通信连接以用于处理传感器信息并产生3-D图像的处理器 的对象。 孔可以具有不对称的形状，用于区分焦平面前后的物体。 光圈也可以是可旋转的，其中观察图案相对于长方形孔径的取向随时间变化，从而消除由图像重叠产生的模糊性。 所公开的设备还包括光投射系统，其被配置为将预定图案投影到所需物体的表面上，从而允许在三维中映射未标记的表面。

公开(公告)号：US08192022B2

公开(公告)日：2012-06-05

申请号：US12967303

申请日：2010-12-14

申请人： Zeev Zalevsky

发明人： Zeev Zalevsky

IPC分类号： G02C7/02

CPC分类号： G02B27/58 ,  A61F2/16 ,  A61F2/1613 ,  A61F2/1648 ,  A61F2250/0053 ,  G02B27/0075 ,  G02B2207/129 ,  G02C7/02 ,  G02C2202/16 ,  G02C2202/22

摘要： An imaging arrangement and method for extended the depth of focus are provided. The imaging arrangement comprises an imaging lens having a certain affective aperture, and an optical element associated with said imaging lens. The optical element is configured as a phase-affecting, non-diffractive optical element defining a spatially low frequency phase transition. The optical element and the imaging lens define a predetermined pattern formed by spaced-apart substantially optically transparent features of different optical properties. Position of at least one phase transition region of the optical element within the imaging lens plane is determined by at least a dimension of said affective aperture.

摘要翻译： 提供了一种用于延长焦深的成像装置和方法。 成像装置包括具有特定情感光圈的成像透镜和与所述成像透镜相关联的光学元件。 光学元件被配置为限定空间上低频相位的相位影响的非衍射光学元件。 光学元件和成像透镜限定由不同光学特性的间隔开的基本上光学透明的特征形成的预定图案。 光学元件的至少一个相变区域在成像透镜平面内的位置由至少所述情感光圈的尺寸确定。

公开(公告)号：US20110316982A1

公开(公告)日：2011-12-29

申请号：US13154573

申请日：2011-06-07

申请人： Johannes Steurer

发明人： Johannes Steurer

IPC分类号： H04N13/02 ,  H04N5/225 ,  G03B11/00 ,  G02B5/22 ,  G03B9/02

CPC分类号： G02B5/22 ,  G02B5/201 ,  G02B5/208 ,  G02B27/0075 ,  G02B2207/129 ,  G03B11/00 ,  G03B11/04 ,  G03B35/08 ,  G06T7/571 ,  G06T2207/10004 ,  H04N5/332 ,  H04N9/045 ,  H04N13/207 ,  H04N13/271

摘要： A camera objective for a camera includes a mask having a plurality of masking sections which are permeable for radiation of a first spectral range and are impermeable for radiation of a second spectral range different from the first spectral range. A camera system includes a digital camera for taking images. The camera system includes such a camera objective and an optoelectronic sensor arrangement having a plurality of sensor elements for generating exposure-dependent received signals which form a respective image. The plurality of sensor elements includes a first group of sensor elements for generating received signals in dependence only on radiation of the first spectral range and a second group of sensor elements for generating received signals in dependence on radiation of the second spectral range.

摘要翻译： 相机的相机物镜包括具有多个掩模部分的掩模，所述掩模部分对于第一光谱范围的辐射是可渗透的，并且对于不同于第一光谱范围的第二光谱范围的辐射是不可透过的。 相机系统包括用于拍摄图像的数码相机。 相机系统包括这样的相机物镜和具有多个传感器元件的光电传感器装置，用于产生形成相应图像的曝光相关接收信号。 多个传感器元件包括用于根据第一光谱范围的辐射产生接收信号的第一组传感器元件和用于根据第二光谱范围的辐射产生接收信号的第二组传感器元件。

公开(公告)号：US08058598B2

公开(公告)日：2011-11-15

申请号：US12381023

申请日：2009-03-05

申请人： Dave Sandler ,  Brett Spivey ,  Louis Cuellar ,  Paul Fairchild

发明人： Dave Sandler ,  Brett Spivey ,  Louis Cuellar ,  Paul Fairchild

IPC分类号： G01J1/20

CPC分类号： G03B15/03 ,  B64G3/00 ,  G01S7/4814 ,  G01S7/4816 ,  G01S17/003 ,  G01S17/87 ,  G01S17/89 ,  G02B23/00 ,  G02B27/58 ,  G02B2207/129 ,  G03B39/00

摘要： A system and method for imaging far away fast moving objects such as satellites in low earth orbit. The object to be imaged is illuminated simultaneously with a composite beam comprised of a large number of separate laser beams from a large number of laser sources each from a separate position with each of the separate laser beams shifted in frequency with respect to each other beam so as to produce a large number of beat frequencies in the composite beam. The positions of the laser sources are changed rapidly during an illumination period of a few seconds. Light reflected from the object is collected in a large number of light buckets and information defining the intensity of the collected reflected light as a function of time is stored. The positions and frequencies of each of the laser sources are also recorded and stored as a function of time. The stored information defining the intensity of the collected reflected light is analyzed by one or more computer processors utilizing special algorithms to produce a image of the object.

摘要翻译： 用于成像远距离快速移动物体（如低地球轨道卫星）的系统和方法。 要成像的物体与由多个激光源组成的大量单独的激光束同时被照射，每个激光源分别来自分开的位置，每个分离的激光束相对于每个其它光束在频率上移动，因此 以便在复合梁中产生大量的拍频。 激光源的位置在几秒的照射期间迅速变化。 从物体反射的光被收集在大量的光桶中，并且存储了定义所收集的反射光的强度作为时间的函数的信息。 每个激光源的位置和频率也作为时间的函数被记录和存储。 存储的定义所收集的反射光强度的信息由利用特殊算法的一个或多个计算机处理器分析以产生该对象的图像。

公开(公告)号：US07923677B2

公开(公告)日：2011-04-12

申请号：US12278521

申请日：2007-02-06

申请人： Christopher William Slinger

发明人： Christopher William Slinger

IPC分类号： H01J3/14 ,  H01L27/00 ,  G01T1/161

CPC分类号： G02B27/4294 ,  G01T1/295 ,  G02B27/4205 ,  G02B2207/129

摘要： The present invention relates to an imaging system which employs the same principles as coded aperture imaging. High angular resolution coded aperture imagers require a small aperture size and relatively large spacing between the coded aperture array and the detector. At such high resolutions diffraction effects can start to dominate and can degrade image quality. The present invention provides a detector array which receives radiation from a scene via a coded diffractive mask. The coded diffractive mask is designed such that its diffraction pattern at the waveband of interest is a well conditioned coded intensity pattern having a strong autocorrelation function with low sidelobes. Thus radiation reaching the detector array is diffracted by the diffractive mask but in a defined way and it is the diffraction pattern of the mask which provides the coding. The scene image can then be reconstructed using the same techniques as for conventional coded aperture imaging but using the diffraction pattern of the mask as the aperture function. The coded diffractive mask may be a binary or greyscale mask, may operate in reflection or transmission and may be an amplitude or phase modulating mask.

摘要翻译： 本发明涉及采用与编码孔径成像相同的原理的成像系统。 高角度分辨率编码孔径成像器需要小的孔径尺寸和编码的孔径阵列和检测器之间相对较大的间距。 在这种高分辨率下，衍射效应可以开始占主导地位并且可能降低图像质量。 本发明提供了一种经由编码衍射掩模从场景接收辐射的检测器阵列。 编码的衍射掩模被设计成使得其在感兴趣的波段处的衍射图案是具有较强自相关函数且具有低旁瓣的良好调节的编码强度图案。 因此，到达检测器阵列的辐射由衍射掩模衍射，但是以限定的方式衍射，并且是提供编码的掩模的衍射图案。 然后可以使用与常规编码孔径成像相同的技术来重建场景图像，但是使用掩模的衍射图案作为孔径函数。 编码衍射掩模可以是二进制或灰度掩模，可以在反射或透射中操作，并且可以是幅度或相位调制掩模。

公开(公告)号：US20080278572A1

公开(公告)日：2008-11-13

申请号：US12150239

申请日：2008-04-23

申请人： Morteza Gharib ,  Emilio Graff ,  Francisco Pereira

发明人： Morteza Gharib ,  Emilio Graff ,  Francisco Pereira

IPC分类号： H04N13/00

CPC分类号： H04N13/254 ,  G01B11/2509 ,  G02B5/005 ,  G02B2207/129 ,  G03B15/12 ,  G03B35/02 ,  G06T7/50 ,  H04N13/204 ,  H04N13/207

摘要： A device and method for three-dimensional (3-D) imaging using a defocusing technique is disclosed. The device comprises a lens, a plurality of spatially-biased apertures obstructing the lens, a sensor operable for capturing light transmitted from an object through the lens and the plurality of spatially-biased apertures, and a processor communicatively connected with the sensor for processing the sensor information and producing a 3-D image of the object. The spatially-biased apertures may differ in shape, size, and/or distance from the optical axis.

摘要翻译： 公开了一种使用散焦技术进行三维（3-D）成像的装置和方法。 该装置包括透镜，多个空间偏置的孔，阻挡透镜，可操作用于捕获从物体透过透镜和多个空间偏置孔的光的传感器，以及与传感器通信连接的处理器 传感器信息并产生物体的三维图像。 空间偏置的孔可以在与光轴的形状，尺寸和/或距离上不同。