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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US10591594B2
Information processing apparatus, information processing method, and program
Publication/Patent Number: US10591594B2 Publication Date: 2020-03-17 Application Number: 15/762,309 Filing Date: 2016-09-16 Inventor: Yamazaki, Toshio   Sutou, Yasuhiro   Motoyama, Takuto   Oyaizu, Hideki   Assignee: Sony Corporation   IPC: G01S13/93 Abstract: The present technology relates to an information processing apparatus, an information processing method, and a program for suppressing the occurrence of false recognition. A road surface region estimating section estimates a road surface region in a first image captured of a predetermined imaging range. A non-polarized region extracting section extracts a non-polarized region from a second image captured of the imaging range. A low-confidence level region estimating section estimates a low-confidence level region for an object with a low first confidence level obtained by a first sensor within a measurement range of the first sensor in the imaging range on the basis of information indicating the road surface region and the non-polarized region. A weight calculating section calculates a weight on the first confidence level on the basis of the first confidence level, a second confidence level of the object obtained by a second sensor in the imaging range, and information indicating the low-confidence level region. A presence likelihood calculating section calculates presence likelihood of the object at different distances within the imaging range on the basis of the first confidence level, the second confidence level, and information indicating the weight. The present technology is applicable to a vehicle-mounted distance estimating apparatus. The present technology relates to an information processing apparatus, an information processing method, and a program for suppressing the occurrence of false recognition. A road surface region estimating section estimates a road surface region in a first image captured of a ...More ...Less
2 US10621847B2
Human respiration feature extraction in personal emergency response systems and methods
Publication/Patent Number: US10621847B2 Publication Date: 2020-04-14 Application Number: 16/027,306 Filing Date: 2018-07-04 Inventor: Zack, Rafael   Hadad, Omer   Assignee: ECHOCARE TECHNOLOGIES LTD   IPC: G08B21/04 Abstract: A non-wearable Personal Emergency Response System (PERS) architecture is provided, implementing RF interferometry using synthetic aperture antenna arrays to derive ultra-wideband echo signals which are analyzed and then processed by a two-stage human state classifier and abnormal states pattern recognition. Systems and methods transmit ultra-wide band radio frequency signals at, and receive echo signals from, the environment, process the received echo signals to yield a range-bin-based slow signal that is spatially characterized over a plurality of spatial range bins, and estimate respiration parameter(s) of the human(s) by analyzing the slow signal. The antennas may be arranged in several linear baselines, implement virtual displacements, and may be set into multiple communicating sub-arrays. A classifier uses respiration and other derived features to classify the state of the human(s). A decision process is carried out based on the instantaneous human state (local decision) followed by abnormal states patterns recognition (global decision). A non-wearable Personal Emergency Response System (PERS) architecture is provided, implementing RF interferometry using synthetic aperture antenna arrays to derive ultra-wideband echo signals which are analyzed and then processed by a two-stage human state classifier and ...More ...Less
3 US10641891B2
Solar enabled aerial deployed radio antenna system
Publication/Patent Number: US10641891B2 Publication Date: 2020-05-05 Application Number: 16/006,352 Filing Date: 2018-06-12 Inventor: Humfeld, Keith Daniel   Fay, Matthew Kyle   Assignee: The Boeing Company   IPC: H01Q1/30 Abstract: An aerial deployed radio antenna system includes a primary aerial vehicle and a plurality of secondary aerial vehicles coupled to the primary aerial vehicle with a primary tether, wherein the plurality of secondary aerial vehicles are coupled to each other with a plurality of secondary tethers. The system also includes a radar-reflective sheet suspended between and supported by a plurality of cables coupled to the plurality of secondary aerial vehicles, wherein the radar-reflective sheet forms a parabolic reflector shape when deployed and towed by the primary aerial vehicle. A radar transmitter/receiver is positioned relative to the radar-reflective sheet to transmit radar signals toward the radar-reflective sheet and receive radar signals focused by the radar-reflective sheet, and a plurality of solar cells is positioned on the radar-reflective sheet. The plurality of solar cells are electrically coupled to a power collector configured to supply solar-generated electrical power to the radar transmitter/receiver. An aerial deployed radio antenna system includes a primary aerial vehicle and a plurality of secondary aerial vehicles coupled to the primary aerial vehicle with a primary tether, wherein the plurality of secondary aerial vehicles are coupled to each other with a plurality of ...More ...Less
4 EP3602118A1
GLOBAL INTEGRITY CHECK SYSTEM AND ASSOCIATED METHOD
Publication/Patent Number: EP3602118A1 Publication Date: 2020-02-05 Application Number: 18771516.4 Filing Date: 2018-03-21 Inventor: Chan, Hian Lim   Lesturgie, Marc   Sylvain, Azarian   Assignee: Chan, Hian Lim   Lesturgie, Marc   Office National D'etudes Et De Recherches Aerospatiales   IPC: G01S13/87
5 US2020161772A1
SYSTEM AND METHOD FOR RADIO FREQUENCY PENETRATION IMAGING OF AN OBJECT
Publication/Patent Number: US2020161772A1 Publication Date: 2020-05-21 Application Number: 16/749,393 Filing Date: 2020-01-22 Inventor: Hoffman, Damian   Rosenfeld, Jonathan   Assignee: Vayyar Imaging Ltd.   IPC: H01Q17/00 Abstract: A system and methods for RF (Radio Frequency) penetration imaging of one or more objects in a medium, the system including a generation and reception subsystem configured to generate and receive a plurality of RF signals, an RF antenna array including a plurality of antennas, the antennas being configured to transmit the RF signals towards the medium and receive a plurality of RF signals reflected from the medium, a data acquisition subsystem configured to receive and store the reflected RF signals, and a processor configured to estimate the distance between the surface of the target medium and the antenna array, the delay between the transmitted signals and the plurality of signals reflected from the object using a dedicated frequency sub-band of the received signals, the location of the antennas at each transmitting time, and determine whether there is an object within the medium. A system and methods for RF (Radio Frequency) penetration imaging of one or more objects in a medium, the system including a generation and reception subsystem configured to generate and receive a plurality of RF signals, an RF antenna array including a plurality of antennas ...More ...Less
6 US2020081119A1
METHOD AND APPARATUS FOR DETERMINING RELATIVE POSE, DEVICE AND MEDIUM
Publication/Patent Number: US2020081119A1 Publication Date: 2020-03-12 Application Number: 16/562,109 Filing Date: 2019-09-05 Inventor: Zhou, Xun   Xie, Yuanfan   Li, Shirui   Wang, Liang   Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.   IPC: G01S13/93 Abstract: Embodiments of the present disclosure disclose a method and an apparatus for determining a relative pose, a device, and a medium. The method comprises: obtaining millimeter-wave data for obstacles in a scene collected by a millimeter-wave radar sensor in a vehicle and first data for the obstacles in the scene collected by a first sensor in the vehicle, wherein, at least one millimeter-wave radar signal booster is disposed in the scene as a target obstacle and the obstacles comprise the target obstacle; determining first obstacle data for the target obstacle in a millimeter-wave radar coordinate system and second obstacle data for the target obstacle in a first sensor coordinate system according to the millimeter-wave data and the first data for the obstacles in the scene; and determining the relative pose between the millimeter-wave radar sensor and the first sensor according to the first obstacle data and the second obstacle data. Embodiments of the present disclosure disclose a method and an apparatus for determining a relative pose, a device, and a medium. The method comprises: obtaining millimeter-wave data for obstacles in a scene collected by a millimeter-wave radar sensor in a vehicle and first data ...More ...Less
7 US2020088867A1
Method, Apparatus and Device for Doppler Compensation in a Time Switched MIMO Radar System
Publication/Patent Number: US2020088867A1 Publication Date: 2020-03-19 Application Number: 16/210,007 Filing Date: 2018-12-05 Inventor: Rajendran, Gireesh   Sivadas, Apu   Assignee: Steradian Semiconductors Private Limited   IPC: G01S13/58 Abstract: A method in a time switched multiple input and multiple output (MIMO) radar system comprising, receiving (610) from an antenna array a plurality of data points representing a radar signal reflected from plurality of objects, forming (620) a first set of beams from the plurality of data points, wherein the first set of beams are making a first set angles with a normal to the antenna array, detecting a set of objects (410A-L) from the first set of beams, determining (630) a set of Doppler frequencies of the set of objects, computing (650) a self-velocity representing a velocity of the antenna array from the set of Doppler frequencies and the first set of angles, and correcting (660) the plurality of data points using the self-velocity and a second set of angles to generate plurality of corrected data points. A method in a time switched multiple input and multiple output (MIMO) radar system comprising, receiving (610) from an antenna array a plurality of data points representing a radar signal reflected from plurality of objects, forming (620) a first set of beams from the plurality ...More ...Less
8 US2020110416A1
TRAJECTORY PREDICTION ON TOP-DOWN SCENES
Publication/Patent Number: US2020110416A1 Publication Date: 2020-04-09 Application Number: 16/151,607 Filing Date: 2018-10-04 Inventor: Hong, Xi Joey   Sapp, Benjamin John   Assignee: Zoox, Inc.   IPC: G05D1/02 Abstract: Techniques are discussed for determining predicted trajectories based on a top-down representation of an environment. Sensors of a first vehicle can capture sensor data of an environment, which may include agent(s) separate from the first vehicle, such as a second vehicle or a pedestrian. A multi-channel image representing a top-down view of the agent(s) and the environment and comprising semantic information can be generated based on the sensor data. Semantic information may include a bounding box and velocity information associated with the agent, map data, and other semantic information. Multiple images can be generated representing the environment over time. The image(s) can be input into a prediction system configured to output a heat map comprising prediction probabilities associated with possible locations of the agent in the future. A predicted trajectory can be generated based on the prediction probabilities and output to control an operation of the first vehicle. Techniques are discussed for determining predicted trajectories based on a top-down representation of an environment. Sensors of a first vehicle can capture sensor data of an environment, which may include agent(s) separate from the first vehicle, such as a second vehicle or a ...More ...Less
9 US2020118285A1
DEVICE AND METHOD FOR DETERMINING HEIGHT INFORMATION OF AN OBJECT IN AN ENVIRONMENT OF A VEHICLE
Publication/Patent Number: US2020118285A1 Publication Date: 2020-04-16 Application Number: 16/586,350 Filing Date: 2019-09-27 Inventor: Metzner, Jannik   Fafula, Daniel   Maile, Florian   Assignee: ZF Friedrichshafen AG   IPC: G06T7/60 Abstract: A device for determining height information for an object in a vehicle environment comprises: an input interface for receiving environment sensor data from an environment sensor containing information regarding an object in the vehicle environment and vehicle sensor data from a vehicle sensor containing information regarding a movement of the vehicle in relation to the environment, a grid unit for generating a three dimensional grid display of the vehicle environment based on the environment sensor data and vehicle sensor data, an evaluation unit for detecting a reference plane in the three dimensional grid display, and a plotting unit for calculating a two dimensional vertical grid display of the vehicle environment based on the three dimensional grid display and the reference plane, wherein a grid cell in the two dimensional vertical grid display comprises height information for the object in relation to the reference plane. A device for determining height information for an object in a vehicle environment comprises: an input interface for receiving environment sensor data from an environment sensor containing information regarding an object in the vehicle environment and vehicle sensor data from a ...More ...Less
10 CN110646064A
一种基于k波雷达物位成像技术的生产线阻料诊断的方法
Title (English): A Method for Material Resistance Diagnosis of Production Line Based on k Wave Radar Position Imaging
Publication/Patent Number: CN110646064A Publication Date: 2020-01-03 Application Number: 201910904906.9 Filing Date: 2019-09-24 Inventor: 周沅桢   徐淑浩   刘泽   李辉   李慧   Assignee: 红云红河烟草(集团)有限责任公司   IPC: G01F23/284 Abstract: 本发明公开了一种基于k波雷达物位成像技术的生产线阻料诊断的方法,属于卷烟制造技术领域,所述的k波雷达物位成像诊断的生产线阻料的方法采用以下步骤实现,步骤1、k波雷达成像仪对制丝线所有容易阻料工序位置进行交叉扫描连续成像;步骤2、将K波雷达拍摄的视频采用智能图形识别软件进行人工智能学习;步骤3、学习完成后,通过软件系统分析雷达采集实时图像,在发现阻料时就能立即报警,并可以根据需要实现设备自动停机。本发明针对无人化卷烟工厂,为及时发现制丝线和复烤物料生产过程发生阻料现象提供一套价廉低廉、运行可靠的发现预警系统,保障生产顺利进行,保证产品品质和设备安全。
11 CN109884627B
任意线阵构型的近程毫米波快速三维成像方法
Title (English): Rapid 3D Imaging Method of Short-range Millimeter Wave with Arbitrary Linear Array Configuration
Publication/Patent Number: CN109884627B Publication Date: 2020-01-14 Application Number: 201910133200.7 Filing Date: 2019-02-22 Inventor: 范波   常强   姜志杰   姚雯   周炜恩   张俊   Assignee: 中国人民解放军军事科学院国防科技创新研究院   IPC: G01S13/89 Abstract: 本发明公开了一种任意线阵构型的近程毫米波快速三维成像方法。该方法包括:构造回波信号和成像公式;对回波信号中的坐标维度进行NUFFT或FFT;将四维空间中的谱域数据降维变换至三维;利用NUIFFT成像。本发明的任意线阵构型的近程毫米波快速三维成像方法,针对“MIMO‑平面扫”方式的近程毫米波三维成像体制,采用基于“快速高斯网格”的NUFFT技术,能实现对任意MIMO线阵构型的精确快速的三维成像,且所需的成像耗时短,计算复杂度低。
12 CN109884625B
基于卷积神经网络的雷达关联成像方法
Title (English): Radar Association Imaging Based on Convolutional Neural Network
Publication/Patent Number: CN109884625B Publication Date: 2020-01-14 Application Number: 201910132677.3 Filing Date: 2019-02-22 Inventor: 范波   曹璐   姜志杰   朱效洲   常强   郭鹏宇   Assignee: 中国人民解放军军事科学院国防科技创新研究院   IPC: G01S13/89 Abstract: 本发明公开了一种基于卷积神经网络的雷达关联成像方法。该方法包括:生成训练集和验证集;卷积神经网络的架构设计及参数设定;对卷积神经网络进行训练以优化权值系数;输入回波获取高精度重构结果。本发明的基于卷积神经网络的雷达关联成像方法,基于训练后的卷积神经网络,对雷达关联成像体制下的初始目标重构结果进行多层卷积处理,以得到逼近真实目标信息的高精度重构结果;训练后的滤波模型计算效率和重构精度高,无需反复迭代寻优;能有效地解决在较低信噪比和相对不精确参考信号矩阵情况下,重构目标存在伪散射点和颗粒状背景噪声的问题。
13 CN110736987A
一种太赫兹主动成像扫描系统
Title (English): A Terahertz Active Imaging Scanning System
Publication/Patent Number: CN110736987A Publication Date: 2020-01-31 Application Number: 201911024234.9 Filing Date: 2019-10-25 Inventor: 陈永华   卢禹   陈根   杨庆喜   丁开忠   Assignee: 合肥中科离子医学技术装备有限公司   IPC: G01S13/89 Abstract: 本发明公开了一种太赫兹主动成像扫描系统,包括太赫兹接收装置、信号处理装置、成像装置和显示装置,所述太赫兹接收装置包括二维旋转平台、扫描平面镜和探测器;所述太赫兹接收装置用于太赫兹束的聚焦并通过扫描平面镜将聚焦后的太赫兹束反射到被检测物体上,被检测物体接收到太赫兹束后将其进行反射汇聚至探测器上并转化为电信号;所述二维旋转平台使扫描平面镜在竖直方向旋转和在水平方向移动;扫描平面镜在竖直方向旋转过程中使被检测物体接收到太赫兹束形成椭圆形的扫描路径,本发明通过对被检测物体形成椭圆形的扫描路径,缩短了扫描被检测物体的时间,因此提高了对被检测物体的扫描效率。
14 CN110888129A
一种分布式无源雷达接收机的成像方法
Title (English): An Imaging Method of Distributed Passive Radar Receive
Publication/Patent Number: CN110888129A Publication Date: 2020-03-17 Application Number: 201911249765.8 Filing Date: 2019-12-09 Inventor: 王锋   韩翠娥   王天辉   于佳   李芳   Assignee: 中国人民解放军陆军工程大学   IPC: G01S13/89 Abstract: 本发明提供一种分布式无源雷达接收机的成像方法,包括对分布式无源雷达接收机配置优化的步骤和分布式无源雷达成像的步骤,本发明针对分布式无源雷达稀疏成像问题,提出以成像分辨率为优化目标函数,基于遗传算法的接收机配置优化方法,并通过仿真结果表明优化后对成像性能有明显的提升。同时针对OMP算法在低信噪比情况下成像精度较差的问题,提出基于协方差稀疏表示的分布式无源雷达成像算法,并将稀疏贝叶斯学习(SBL)方法应用于目标场景重构,并通过仿真验证在低分辨率下算法的良好恢复性能。
15 CN110764082A
一种基于MATLAB的二维探地雷达三维成像方法
Title (English): A 3D Imaging Method of Two-Dimensional Ground Radar Based on matla
Publication/Patent Number: CN110764082A Publication Date: 2020-02-07 Application Number: 201910740238.0 Filing Date: 2019-08-12 Inventor: 罗蓉   孙通   于晓贺   程博文   Assignee: 武汉理工大学   IPC: G01S13/88 Abstract: 本发明公开了一种基于MATLAB的二维探地雷达三维成像方法,包括以下步骤:S1、对二维探地雷达进行组装和调试;S2、对采集路线中的各条车道进行数据采集;S3、三维成像模型建立;S4、对三维成像模型进行外观优化和尺寸调整;S5、三维数据导出;S6、数据格式转换;S7、三维反射电压数据模拟;S8、对最大及最小值的颜色进行设定;S9、将三维数据导入三维成像模型,得到三维成像;S10、对异常位置进行切片化显示,直观地显示出道路深层病害。本发明通过三维模型的建立与优化,形成能够容纳三维雷达数据的成像模型,在将模拟的三维数据导入后,实现三维雷达成像,并具备图像切割功能,以便观察道路内部异常图像。 本发明公开了一种基于MATLAB的二维探地雷达三维成像方法,包括以下步骤:S1、对二维探地雷达进行组装和调试;S2、对采集路线中的各条车道进行数据采集;S3、三维成像模型建立;S4、对三维成像模型进行外观优化和尺寸调整;S5、三维数据导出;S6、数据格式转换;S7、三维反射电压数据模拟;S8、对最大及最小值的颜色进行设定;S9、将三维数据导入三维成像模型,得到三维成像;S10、对异常位置进行切片化显示,直观地显示出道路深层病害。本发明通过三维模型的建立与优化,形成能够容纳三维雷达数据的成像模型,在将模拟的三维数据导入后,实现三维雷达成像,并具备图像切割功 ...More ...Less
16 CN110780273A
一种混合正则化方位超分辨成像方法
Title (English): A Mixed Regularized Azimuth Hyperresolution Imaging Method
Publication/Patent Number: CN110780273A Publication Date: 2020-02-11 Application Number: 201911065281.8 Filing Date: 2019-11-04 Inventor: 杨建宇   黄钰林   庹兴宇   覃千洋