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    • 83. 发明授权
    • Discriminative pretraining of deep neural networks
    • 深层神经网络的辨别性预训练
    • US09235799B2
    • 2016-01-12
    • US13304643
    • 2011-11-26
    • Dong YuLi DengFrank Torsten Bernd SeideGang Li
    • Dong YuLi DengFrank Torsten Bernd SeideGang Li
    • G10L15/16G06N3/08
    • G06N3/08G06N3/04
    • Discriminative pretraining technique embodiments are presented that pretrain the hidden layers of a Deep Neural Network (DNN). In general, a one-hidden-layer neural network is trained first using labels discriminatively with error back-propagation (BP). Then, after discarding an output layer in the previous one-hidden-layer neural network, another randomly initialized hidden layer is added on top of the previously trained hidden layer along with a new output layer that represents the targets for classification or recognition. The resulting multiple-hidden-layer DNN is then discriminatively trained using the same strategy, and so on until the desired number of hidden layers is reached. This produces a pretrained DNN. The discriminative pretraining technique embodiments have the advantage of bringing the DNN layer weights close to a good local optimum, while still leaving them in a range with a high gradient so that they can be fine-tuned effectively.
    • 提出了预先训练深层神经网络(DNN)的隐藏层的识别性预训练技术实施例。 一般来说,首先使用带有误差反向传播(BP)的标签对标签进行单层隐藏层神经网络的训练。 然后,在丢弃前一个隐藏层神经网络中的输出层之后,将另一个随机初始化的隐藏层与先前训练过的隐藏层一起添加,并将其代表表示用于分类或识别的目标的新输出层。 然后使用相同的策略对所得到的多隐层DNN进行鉴别性训练,等等,直到达到所需数量的隐藏层。 这产生了一个预训练的DNN。 鉴别预培训技术实施例具有使DNN层权重接近良好的局部最优值的优点,同时仍将它们留在具有高梯度的范围内,使得它们可以被有效地微调。
    • 86. 发明授权
    • Motion analysis through geometry correction and warping
    • 运动分析通过几何校正和翘曲
    • US08885884B2
    • 2014-11-11
    • US13584887
    • 2012-08-14
    • Yakup GencGang LiClifford Hatcher, Jr.
    • Yakup GencGang LiClifford Hatcher, Jr.
    • G06K9/00G06T7/20
    • G06T7/20G06T2207/10016G06T2207/30164
    • An object in a hot atmosphere with a temperature greater than 400 F in a gas turbine moves in a 3D space. The movement may include a vibrational movement. The movement includes a rotational movement about an axis and a translational movement along the axis. Images of the object are recorded with a camera, which may be a high-speed camera. The object is provided with a pattern that is tracked in images. Warpings of sub-patches in a reference image of the object are determined to form standard format warped areas. The warpings are applied piece-wise to areas in following images to create corrected images. Standard tracking such as SSD tracking is applied to the piece-wise corrected images to determine a movement of the object. The image correction and object tracking are performed by a processor.
    • 在燃气轮机中温度高于400°F的热气氛中的物体在3D空间中移动。 运动可以包括振动运动。 运动包括围绕轴的旋转运动和沿着轴的平移运动。 用相机拍摄物体的图像,摄像机可能是高速摄像机。 该对象被提供有在图像中跟踪的图案。 确定对象的参考图像中的子补丁的变形以形成标准格式的扭曲区域。 将经线分段应用于以下图像中的区域以产生校正图像。 诸如SSD跟踪的标准跟踪被应用于分段校正图像以确定对象的移动。 图像校正和对象跟踪由处理器执行。
    • 89. 发明授权
    • Transmitter, base station device, and method for aligning signal output from transmitter
    • 发射机,基站装置和用于对准发射机的信号输出的方法
    • US08594592B2
    • 2013-11-26
    • US13503179
    • 2010-10-22
    • Gang Li
    • Gang Li
    • H04B17/00
    • H04W56/001H04W24/06
    • A transmitter, a base station device, and a method for aligning a signal output from a transmitter are provided. The transmitter is connected to a first antenna, and the first antenna detects a second test signal transmitted by a second antenna that is connected to another transmitter. The transmitter includes: a signal generating unit, which generates a first test signal; a directional coupler, which receives the first test signal and the second test signal; and a signal processing unit, which measures a timing difference between the first test signal and the second test signal, and uses the measured timing difference to control signal generation, so as to align a signal transmission delay between the two transmitters. Thus, closed-loop detection and an adaptive rectification mechanism for transmission signals of multiple transmitters can be implemented, and accuracy of aligning a signal at each transmitting antenna is improved.
    • 提供了一种发射机,基站装置和用于对准从发射机输出的信号的方法。 发射机连接到第一天线,第一天线检测由连接到另一发射机的第二天线发射的第二测试信号。 发射机包括:信号产生单元,产生第一测试信号; 定向耦合器,其接收第一测试信号和第二测试信号; 以及信号处理单元,其测量第一测试信号和第二测试信号之间的定时差,并且使用测量的定时差来控制信号生成,以便对准两个发射机之间的信号传输延迟。 因此,可以实现用于多个发射机的发射信号的闭环检测和自适应整流机制,并且改善每个发射天线处的信号对准精度。