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    • 4. 发明授权
    • Ranking approach to train deep neural nets for multilabel image annotation
    • 对多标签图像注释训练深层神经网络的排名方法
    • US09552549B1
    • 2017-01-24
    • US14444272
    • 2014-07-28
    • Google Inc.
    • Yunchao GongKing Hong Thomas LeungAlexander Toshkov ToshevSergey IoffeYangqing Jia
    • G06N3/08
    • G06N3/084G06N3/0454
    • Systems and techniques are provided for a ranking approach to train deep neural nets for multilabel image annotation. Label scores may be received for labels determined by a neural network for training examples. Each label may be a positive label or a negative label for the training example. An error of the neural network may be determined based on a comparison, for each of the training examples, of the label scores for positive labels and negative labels for the training example and a semantic distance between each positive label and each negative label for the training example. Updated weights may be determined for the neural network based on a gradient of the determined error of the neural network. The updated weights may be applied to the neural network to train the neural network.
    • 提供系统和技术用于排列方法来训练用于多标签图像注释的深层神经网络。 可以接收由用于训练示例的神经网络确定的标签的标签分数。 每个标签可能是培训示例的正标签或负标签。 可以基于针对训练样本的正标签的标签分数和训练样本的负标签的每个训练样本的比较以及训练样本的每个正标签和每个负标签之间的语义距离来确定神经网络的误差 例。 可以基于确定的神经网络的误差的梯度来确定神经网络的更新权重。 更新的权重可以应用于神经网络来训练神经网络。
    • 6. 发明授权
    • Object detection using deep neural networks
    • 使用深层神经网络的对象检测
    • US09275308B2
    • 2016-03-01
    • US14288194
    • 2014-05-27
    • Google Inc.
    • Christian SzegedyDumitru ErhanAlexander Toshkov Toshev
    • G06K9/62G06K9/66
    • G06K9/66G06K9/4628
    • Methods, systems, and apparatus, including computer programs encoded on computer storage media, for detecting objects in images. One of the methods includes receiving an input image. A full object mask is generated by providing the input image to a first deep neural network object detector that produces a full object mask for an object of a particular object type depicted in the input image. A partial object mask is generated by providing the input image to a second deep neural network object detector that produces a partial object mask for a portion of the object of the particular object type depicted in the input image. A bounding box is determined for the object in the image using the full object mask and the partial object mask.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于检测图像中的对象。 其中一种方法包括接收输入图像。 通过将输入图像提供给产生输入图像中描绘的特定对象类型的对象的完整对象掩模的第一深层神经网络对象检测器来生成完整对象掩码。 通过将输入图像提供给第二深神经网络对象检测器来产生部分对象掩模,该第二深神经网络对象检测器为输入图像中描绘的特定对象类型的对象的一部分产生部分对象掩模。 使用完整对象掩码和部分对象掩码,为图像中的对象确定边框。
    • 7. 发明授权
    • Sublinear time classification via feature padding and hashing
    • 通过特征填充和散列进行子线性时间分类
    • US09286549B1
    • 2016-03-15
    • US13941812
    • 2013-07-15
    • Google Inc.
    • Sergey IoffeAlexander Toshkov Toshev
    • G06K9/68G06K9/70G06K9/62
    • G06K9/6276G06K9/6215G06K9/6267G06K9/628
    • A linear function describing a framework for identifying an object of class k in an image sample x may be described by: wk*x+bk, where bk is the bias term. The higher the value obtained for a particular classifier, the better the match or strength of identity. A method is disclosed for classifier and/or content padding to convert dot-products to distances, applying a hashing and/or nearest neighbor technique on the resulting padded vectors, and preprocessing that may improve the hash entropy. A vector for an image, an audio, and/or a video may be received. One or more classifier vectors may be obtained. A padded image, video, and/or audio vector and classifier vector may be generated. A dot product may be approximated and a hashing and/or nearest neighbor technique may be performed on the approximated dot product to identify at least one class (or object) present in the image, video, and/or audio.
    • 描述用于识别图像样本x中的类k的对象的框架的线性函数可以由以下描述:wk * x + bk,其中bk是偏差项。 特定分类器获得的值越高,身份的匹配或强度越好。 公开了一种用于分类器和/或内容填充以将点产品转换为距离的方法,在所得到的填充向量上应用散列和/或最近邻技术,以及可以改善散列熵的预处理。 可以接收用于图像,音频和/或视频的向量。 可以获得一个或多个分类器向量。 可以生成填充图像,视频和/或音频向量和分类器向量。 可以近似点积,并且可以在近似点积上执行散列和/或最近邻技术,以识别存在于图像,视频和/或音频中的至少一个类(或对象)。