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1. 发明申请

WO2017017684A1 SPECTRAL IMAGING METHOD AND SYSTEM 审中-公开
标题翻译：光谱成像方法与系统
公开(公告)号：WO2017017684A1
公开(公告)日：2017-02-02
申请号：PCT/IL2016/050827
申请日：2016-07-28
申请人： TECHNOLOGY INNOVATION MOMENTUM FUND (ISRAEL) LIMITED PARTNERSHIP
发明人： RAZ, Ariel , MENDLOVIC, David
IPC分类号： G01B9/02 , G06F19/00 , G01J3/45
CPC分类号： G01J3/2823 , G01J3/26 , G06F19/00
摘要： A hyperspectral imaging system and method are presented for use in reconstruction of spectral data of an object. The system comprises: a pixel matrix of a detector; a tunable dispersive unit in front of the pixel matrix; and a control system. The control system comprises: a controller for tuning the dispersive unit during n image acquisition sessions to provide n different partially overlapping spectral transmission profiles of the dispersive unit; and a control unit which is in data communication with the detector and is configured and operable for processing n image data pieces generated by the pixel matrix in said n image acquisition sessions respectively, each being indicative of a spectral image detected by the pixel matrix and corresponding to the different spectral transmission profile of the dispersive unit, and determining the reconstructed spectral data of the object.
摘要翻译：提出了一种高光谱成像系统和方法，用于重建物体的光谱数据。该系统包括：检测器的像素矩阵; 像素矩阵前面的可调谐色散单元; 和控制系统。控制系统包括：控制器，用于在n个图像采集会话期间调谐色散单元，以提供色散单元的n个不同部分重叠的光谱透射曲线; 以及控制单元，其与检测器进行数据通信，并且被配置和可操作用于分别处理由所述n个图像采集会话中的像素矩阵产生的n个图像数据片，每个图像数据片段表示由像素矩阵检测的光谱图像，到分散单元的不同光谱透射曲线，并且确定对象的重建光谱数据。

2. 发明申请

WO2017009850A1 TUNABLE MEMS ETALON 审中-公开
公开(公告)号：WO2017009850A1
公开(公告)日：2017-01-19
申请号：PCT/IL2016/050772
申请日：2016-07-14
申请人： TECHNOLOGY INNOVATION MOMENTUM FUND (ISRAEL) LIMITED PARTNERSHIP
发明人： KRYLOV, Viacheslav , RAZ, Ariel , MENDLOVIC, David
IPC分类号： G02B26/00 , H01S5/022 , H01L23/02
CPC分类号： H04N9/045 , B81B3/0056 , B81B2201/042 , B81C1/00507 , B81C2201/0114 , G02B26/001
摘要： Disclosed herein is a novel a tunable Micro-Electro-Mechanical (MEMS) Etalon system including: a functional layer patterned to define a suspension structure for suspending a first mirror being an aperture mirror of the Etalon, an aperture mirror coupled to the suspension structure, and a back layer including a second mirror, being a back mirror of the Etalon. The functional layer may be located above the back layer and the back layer may include spacer structures protruding therefrom towards the aperture mirror to define a minimal gap between the aperture mirror and the back mirror and prevent collision between them. The aspect ratio between the width of the etalon/mirrors may be high (e.g. at least 500), and the minimal gap/distance between the mirrors may be small in the order of tens of nanometers (nm). Accordingly, in some implementations the parallelism between the aperture mirror and the back mirror is adjustable to avoid chromatic artifacts associated with spatial variations in the spectral transmission profile across the etalon.
摘要翻译：本文公开了一种新颖的可调谐微机电系统，其包括：图案化以限定悬挂结构的功能层，用于悬挂作为Etalon的孔径反射镜的第一反射镜，耦合到悬架结构的孔径镜，以及包括作为Etalon的后视镜的第二反射镜的背层。功能层可以位于背层之上，并且背层可以包括从其向孔径反射镜突出的间隔结构，以限定孔径镜和后反射镜之间的最小间隙并防止它们之间的碰撞。标准具/反射镜的宽度之间的纵横比可以是高的（例如至少500），并且反射镜之间的最小间隙/距离可以是几十纳米（nm）的数量级。因此，在一些实施方案中，孔径镜和后视镜之间的平行度是可调节的，以避免与跨越标准具的光谱透射曲线的空间变化相关联的色差。

3. 发明申请

WO2014207742A2 A SYSTEM AND METHOD FOR COLOR IMAGE ACQUISITION 审中-公开
标题翻译：用于彩色图像获取的系统和方法
公开(公告)号：WO2014207742A2
公开(公告)日：2014-12-31
申请号：PCT/IL2014/050566
申请日：2014-06-24
申请人： TECHNOLOGY INNOVATION MOMENTUM FUND (ISRAEL) LIMITED PARTNERSHIP
发明人： MENDLOVIC, David , RAZ, Ariel
IPC分类号： H04N9/04
CPC分类号： G06T3/4015 , G01J3/26 , G01J3/51 , G02B26/001 , H04N9/045
摘要： An imaging system color image acquisition including: an image sensor; a tunable spectral filter arranged in an optical path of light propagation towards the image sensor; and a controller connected to the image sensor and to the tunable spectral filter. The controller is configured and operable for generating a colored image by sequentially operating the tunable spectral filter for sequentially filtering light passing towards the image sensor with three or more different spectral filtering curves during three or more corresponding integration time durations. The tunable spectral filter is configured, as an etalon and includes a pair of reflective surfaces. At least one of the reflective surfaces includes a layer of high refractive index of at least n=2.3 or even higher than 3, or a layer of low refractive index, smaller than n=1. The configuration of the etalon provide wide transmission peaks of the spectral curves with full-width-half maximum (FWHM) in the range of about 50 to 80 nm, free spectral range (FSR) of at least 300nm, and thickness of the etalon in the order to 1mm or even less.
摘要翻译：一种成像系统彩色图像采集，包括：图像传感器; 布置在朝向图像传感器的光传播的光路中的可调谐光谱滤波器; 以及连接到图像传感器和可调谐光谱滤波器的控制器。控制器被配置和操作以通过顺序地操作可调谐光谱滤波器来生成彩色图像，以便在三个或更多个相应的积分时间期间内以三个或更多个不同的光谱滤波曲线顺序地滤去通向图像传感器的光。可调谐光谱滤波器被配置为标准具并包括一对反射表面。至少一个反射表面包括至少n = 2.3或甚至高于3的高折射率层或低折射率的层，小于n = 1。标准具的配置提供宽范围半宽度（FWHM）在约50至80nm范围内的光谱曲线，至少300nm的自由光谱范围（FSR）和标准具厚度的宽透射峰订单到1mm甚至更少。

4. 发明申请

WO2020157754A1 SYSTEM AND METHOD FOR RECONSTRUCTION OF COMPRESSED SIGNAL DATA USING ARTIFICIAL NEURAL NETWORKING 审中-公开
公开(公告)号：WO2020157754A1
公开(公告)日：2020-08-06
申请号：PCT/IL2020/050109
申请日：2020-01-29
申请人： TECHNOLOGY INNOVATION MOMENTUM FUND (ISRAEL) LIMITED PARTNERSHIP
发明人： MENDLOVIC, David , GIRYES, Raja , NABATI, Ofir , YOVEL, Ido
IPC分类号： G06T9/00 , H04N1/64 , G06F17/16 , G06N3/08
摘要： Presented herein are methods and systems for training a model, specifically a machine learning model, for example, a Deep Neural Network (DNN) for signal reconstruction in an iterative process comprising a plurality of training iterations and use of the trained DNN thereof. Each of the iterations comprises receiving a record associating a compressed signal created according to a sensing matrix selected from a plurality of sensing matrixes with a respective signal originated from a signal source and used for compressing the at least one compressed signal according to the selected sensing matrix, feeding the record and the sensing matrix to train a model and outputting the trained model which may be used for reconstructing one or more new signals originated from the signal source. Wherein at least two of the plurality of sensing matrixes are fed during at least two separate iterations of the plurality of training iterations.

5. 发明申请

WO2021033191A1 METHOD AND APPARATUS FOR AUTHENTICATION OF A THREE-DIMENSIONAL OBJECT 审中-公开
公开(公告)号：WO2021033191A1
公开(公告)日：2021-02-25
申请号：PCT/IL2020/050917
申请日：2020-08-20
申请人： TECHNOLOGY INNOVATION MOMENTUM FUND (ISRAEL) LIMITED PARTNERSHIP
发明人： MENDLOVIC, David , GIRYES, Raja , WEITZNER, Dana
IPC分类号： G06K9/00 , G06K9/46
摘要： A device for authentication of a three-dimensional object includes an imaging array having a sensor configured to generate first and second sparse views of a surface of the three-dimensional object that faces the imaging array, and a processing circuitry. The processing circuitry is configured to: interpolate the first and second sparse views to obtain first and second interpolated images; calculate a planar disparity function for a plurality of image pixels of one of the first or second interpolated images; generate a projected image by displacing the plurality of image pixels of one of the first or the second interpolated images using the planar disparity function; and compare the projected image with the other of the first or second interpolated images to determine conformance of the planar disparity function with the interpolated images of the surface of the object.

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