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1. 发明申请

US20150181360A1 CALIBRATION METHOD AND SYSTEM 有权
标题翻译：校准方法与系统
公开(公告)号：US20150181360A1
公开(公告)日：2015-06-25
申请号：US14195321
申请日：2014-03-03
申请人： ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
发明人： Ivan DOKMANIC , Laurent DAUDET , Martin VETTERLI
IPC分类号： H04R29/00 , H04R1/08
CPC分类号： H04R29/005 , G01B5/00 , G01C15/00 , G01H7/00 , G01S7/539 , G01S7/54 , G01S15/06 , G01S15/42 , G01S15/46 , G01S15/876 , G01S17/06 , G01S2015/465 , H04R1/08 , H04S7/305
摘要： The present invention concerns a method for calibrating an array of receivers (ri), each receiver being configured for receiving a signal transmitted by at least one transmitter (si), and echoes of the transmitted signal as reflected by one or more reflective surfaces (w), said method comprising the following steps: sorting said echoes, by assigning each echo to a reflective surface or to a combination of reflective surfaces (w) calibrating said array of receivers (ri) based on said sorting.
摘要翻译：本发明涉及一种用于校准接收器阵列（ri）的方法，每个接收器被配置用于接收由至少一个发送器（si）发送的信号，以及由一个或多个反射表面（w ），所述方法包括以下步骤：通过将每个回波分配给反射表面或基于所述分类来校准所述接收器阵列（ri）的反射表面（w）的组合来分类所述回波。

2. 发明申请

US20200278251A1 MULTI-SPECTRAL IMAGE PRINITING METHOD 审中-公开
公开(公告)号：US20200278251A1
公开(公告)日：2020-09-03
申请号：US16757232
申请日：2018-10-22
申请人： ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
发明人： Adam SCHOLEFIELD , Martin VETTERLI , Yves BELLOUARD , Michalina PACHOLSKA , Gilles BAECHLER , Arnaud LATTY
IPC分类号： G01J3/28 , G01J3/14
摘要： The present disclosure concerns a multi-spectral image printing method. The method includes the steps of:—providing a multi-spectral image;—providing a material;—determining changes in a refractive index value of the material permitting to reproduce the multi-spectral image when the material is illuminated; and—generating the changes in refractive index value in the material.

3. 发明申请

US20150106053A1 METHOD AND A SYSTEM FOR DETERMINING THE LOCATION OF AN OBJECT 审中-公开
标题翻译：用于确定对象位置的方法和系统
公开(公告)号：US20150106053A1
公开(公告)日：2015-04-16
申请号：US14575912
申请日：2014-12-18
申请人： Ecole Polytechnique Federale de Lausanne (EPFL)
发明人： Orhan OCAL , Ivan DOKMANIC , Martin VETTERLI
IPC分类号： G01S15/46
CPC分类号： H04R29/005 , G01B5/00 , G01C15/00 , G01H7/00 , G01S7/539 , G01S7/54 , G01S15/06 , G01S15/42 , G01S15/46 , G01S15/876 , G01S17/06 , G01S2015/465 , H04R1/08 , H04S7/305
摘要： A method for determining the location of a transmitter (respectively a receiver) in a space defined by one or more reflective surfaces, including the steps of sending a signal from the transmitter (respectively from a set of transmitters); receiving by a set of receivers (respectively by a receiver) the transmitted signal and echoes of the transmitted signal reflected by the reflective surfaces; finding by a first computing module the location of the virtual sources (respectively virtual receivers) of the echoes; mirroring by a second computing module the virtual sources (respectively virtual receivers) into the space and obtained mirrored virtual sources (respectively mirrored virtual receivers); combining by a third computing module the mirrored virtual sources (respectively mirrored virtual receivers) so as to obtain location of the transmitter (respectively the receiver). This method makes use of echoes for localizing the source (respectively receiver) when there is no line of sight between the transmitter(s) and the receiver(s).
摘要翻译：一种用于确定由一个或多个反射表面限定的空间中的发射机（分别是接收机）的位置的方法，包括以下步骤：从发射机（分别来自一组发射机）发送信号; 通过一组接收器（分别由接收器）接收所发送的信号和由反射表面反射的发射信号的回波; 由第一计算模块查找回波的虚拟源（分别为虚拟接收器）的位置; 通过第二计算模块将虚拟源（分别为虚拟接收机）镜像到空间中并获得镜像的虚拟源（分别是镜像的虚拟接收器）; 由第三计算模块组合镜像的虚拟源（分别为镜像的虚拟接收机），以获得发射机（分别为接收机）的位置。当发射机和接收机之间没有视线时，该方法利用回波来定位源（分别是接收机）。

4. 发明申请

US20170188173A1 Method and apparatus for presenting to a user of a wearable apparatus additional information related to an audio scene 有权
公开(公告)号：US20170188173A1
公开(公告)日：2017-06-29
申请号：US14757445
申请日：2015-12-23
申请人： ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
发明人： Juri RANIERI , Ivan DOKMANIC , Martin VETTERLI
IPC分类号： H04S7/00 , G06F3/01 , G06T19/00 , G06F3/16 , H04R5/033 , G10L25/54
CPC分类号： H04S7/306 , G02B27/017 , G02B2027/0178 , G06F1/163 , G06F3/011 , G06F3/013 , G06F3/165 , G06F3/167 , G06T19/006 , G10L15/26 , G10L17/00 , G10L25/54 , H04R1/028 , H04R1/1008 , H04R1/342 , H04R3/005 , H04R5/027 , H04R5/033 , H04R25/00 , H04R25/552 , H04R2205/041 , H04S7/304 , H04S2400/11 , H04S2400/15
摘要： A method for presenting to a user of a wearable audio device a modified audio scene together with additional information related to the audio scene, comprising: capturing audio signals with a plurality of microphones; outputting an audio signal with a plurality of acoustical transducers; processing the captured audio signals, the processing comprising filtering, equalization, echoes processing and/or beamforming; separating audio sources from the processed audio signals; selecting at least one separated audio source; classifying at least one said selected audio source; retrieving additional information related to the classified audio source; presenting the additional information to the user.

5. 发明申请

US20160018510A1 OPTIMAL ACOUSTIC RAKE RECEIVER 有权
标题翻译：最佳声学接收器
公开(公告)号：US20160018510A1
公开(公告)日：2016-01-21
申请号：US14790316
申请日：2015-07-02
申请人： Ecole Polytechnique Federale de Lausanne (EPFL)
发明人： Ivan DOKMANIC , Robin SCHEIBLER , Martin VETTERLI
IPC分类号： G01S5/18
CPC分类号： G01S5/18 , G10K11/34 , G10L21/0208 , G10L2021/02166 , H04B1/712 , H04R3/005 , H04R2203/12 , H04S7/305
摘要： An acoustic processing method for M acoustic receivers comprising the steps of: Determining a beamforming weight vector with M weights for the M acoustic receivers based on at least one the steering vector of at least one real acoustic source, on steering vectors of image sources of the at least one real acoustic source and on a first matrix depending on the covariance matrix of the noise and/or on at least one interfering sound source, wherein each of the image sources corresponds to one path of the acoustic signal between one of the at least one real source and one of the M acoustic receivers with at least one reflection; and linearly combining the M acoustic signals received at the M acoustic receivers on the basis of the M weights of the beamforming vector
摘要翻译：一种用于M个声学接收机的声学处理方法，包括以下步骤：基于至少一个真实声源的导向矢量，对于M个声学接收机的M个权重的波束形成权重向量，在至少一个真实声源的图像源的导向矢量上至少一个真实声源，并且在第一矩阵上，取决于噪声的协方差矩阵和/或至少一个干扰声源，其中每个图像源对应于声信号的至少一个路径一个真实的源和一个具有至少一个反射的M个声音接收器; 并且基于波束形成向量的M个权重线性组合在M个声接收器处接收的M个声学信号

6. 发明申请

US20150168542A1 Method And A System For Determining The Location Of An Object 审中-公开
标题翻译：方法和确定对象位置的系统
公开(公告)号：US20150168542A1
公开(公告)日：2015-06-18
申请号：US14575150
申请日：2014-12-18
申请人： Ecole Polytechnique Federale de Lausanne (EPFL)
发明人： Reza PARHIZKAR , Ivan DOKMANIC , Martin VETTERLI
IPC分类号： G01S7/539 , G01S15/42 , G01S17/06 , G01S15/06
CPC分类号： H04R29/005 , G01B5/00 , G01C15/00 , G01H7/00 , G01S7/539 , G01S7/54 , G01S15/06 , G01S15/42 , G01S15/46 , G01S15/876 , G01S17/06 , G01S2015/465 , H04R1/08 , H04S7/305
摘要： A method for determining the location of a transmitter (respectively a receiver) in a space defined by one or more reflective surfaces, including the steps of ending a signal from the transmitter (respectively from a set of transmitters); receiving by a set of receivers (respectively by a receiver) the transmitted signal and echoes of the transmitted signal reflected by the reflective surfaces; finding by a first computing module the location of the virtual sources (respectively virtual receivers) of the echoes; mirroring by a second computing module the virtual sources (respectively virtual receivers) into the space and obtained mirrored virtual sources (respectively mirrored virtual receivers); combining by a third computing module the mirrored virtual sources (respectively mirrored virtual receivers) so as to obtain location of the transmitter (respectively the receiver). This method makes use of echoes for localizing the source (respectively receiver) when there is no line of sight between the transmitter(s) and the receiver(s).
摘要翻译：一种用于确定由一个或多个反射表面限定的空间中的发射机（分别是接收机）的位置的方法，包括以下步骤：从发射机（分别来自一组发射机）结束信号; 通过一组接收器（分别由接收器）接收所发送的信号和由反射表面反射的发射信号的回波; 由第一计算模块查找回波的虚拟源（分别为虚拟接收器）的位置; 通过第二计算模块将虚拟源（分别为虚拟接收机）镜像到空间中并获得镜像的虚拟源（分别是镜像的虚拟接收器）; 由第三计算模块组合镜像的虚拟源（分别为镜像的虚拟接收机），以获得发射机（分别为接收机）的位置。当发射机和接收机之间没有视线时，该方法利用回波来定位源（分别是接收机）。

7. 发明申请

US20150098313A1 METHOD FOR DETERMINING THE WALSH-HADAMARD TRANSFORM OF N SAMPLES OF A SIGNAL AND APPARATUS FOR PERFORMING THE SAME 有权
标题翻译：用于确定信号的N个样本的WALSH-HADAMARD变换的方法和用于执行其的装置
公开(公告)号：US20150098313A1
公开(公告)日：2015-04-09
申请号：US14046497
申请日：2013-10-04
申请人： Ecole Polytechnique Federale de Lausanne (EPFL)
发明人： Robin SCHEIBLER , Saeid HAGHIGHATSHOAR , Martin VETTERLI
IPC分类号： H04J13/00 , G06F17/14
CPC分类号： H04J13/0048 , G06F17/145
摘要： A computer-implemented method for determining the Walsh-Hadamard transform of N samples of a signal, comprises electing a plurality of hashing C matrices Σ1, . . . ΣC, computing C hashes of a particular length based at least on a hashing front end and the plurality of matrices Σ1, . . . ΣC, forming a bipartite graph with a plurality of variable nodes and a plurality of check nodes, the variable nodes being non-zero coefficients to recover, and the check nodes being hashed samples, finding an isolated check node and recovering non-zero coefficients connected to the isolated check node by employing collision detection and support estimation of the signal, peeling from the bipartite graph the recovered non-zero coefficients, and repeating the computing step, forming step, finding step and peeling step until all the nodes in the plurality of check nodes are zero.
摘要翻译：用于确定信号的N个采样的沃尔什 - 哈达玛变换的计算机实现的方法包括选择多个散列C矩阵＆Sgr; 1，...。。。至少基于散列前端和多个矩阵＆Sgr; 1，计算具有特定长度的C散列。。。＆C; C，与多个可变节点和多个校验节点形成二分图，变量节点是非零系数以恢复，并且校验节点是散列样本，找到隔离的校验节点并恢复非零通过采用碰撞检测和信号支持估计连接到隔离校验节点的系数，从二分图中剥离恢复的非零系数，并重复计算步骤，形成步骤，找到步骤和剥离步骤，直到所有节点多个校验节点为零。

8. 发明申请

US20170148208A1 METHOD, APPARATUS AND PROGRAM FOR PROCESSING A CIRCULAR LIGHT FIELD 审中-公开
公开(公告)号：US20170148208A1
公开(公告)日：2017-05-25
申请号：US14947690
申请日：2015-11-20
申请人： ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
发明人： Zhou XUE , Martin VETTERLI , Loic Arnaud BABOULAZ
IPC分类号： G06T15/50 , G06T15/06
CPC分类号： G06T5/50 , G06T2207/10052 , H04N5/23238
摘要： Method for processing a circular light field comprising the step of receiving or storing a circular light field matrix, wherein the circular light field matrix comprises pixel data for different circumferential angles and for different incidence angles, wherein each circumferential angle represents one intersection point of a light ray with a circle, and each incidence angle represents an angle of incidence of the light ray in the plane of the circle at the one intersection point; and the step of determining a sub set of pixel data of the circular light field matrix relating to a location by determining for each different circumferential angle an incidence angle related to said location.

9. 发明申请

US20150292957A1 METHOD, COMPUTER PROGRAM AND APPARATUS FOR MEASURING A DISTRIBUTION OF A PHYSICAL VARIABLE IN A REGION 审中-公开
标题翻译：方法，计算机程序和用于测量区域物理变量分布的装置
公开(公告)号：US20150292957A1
公开(公告)日：2015-10-15
申请号：US14248984
申请日：2014-04-09
申请人： Ecole Polytechnique Federale de Lausanne (EPFL)
发明人： Juri RANIERI , Amina CHEBIRA , Martin VETTERLI
IPC分类号： G01K13/00 , G01R31/28 , G06F17/16
CPC分类号： G01K13/00 , G01K3/04 , G01K3/06 , G01K2003/145 , G06F17/18
摘要： Method for measuring a distribution of a physical variable in a region, comprising the step of: measuring an average value of the physical variable along each of a plurality of lines in said region; estimating the distribution of the physical variable in said region on the basis of the plurality of average values of the physical variable along the plurality of lines.
摘要翻译：用于测量区域中的物理变量的分布的方法，包括以下步骤：测量沿着所述区域中的多条线中的每一行的物理变量的平均值; 基于沿着多条线路的物理变量的多个平均值来估计所述区域中的物理变量的分布。

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