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    • 4. 发明授权
    • System for three-dimensional object recognition and foreground extraction
    • 用于三维物体识别和前景提取的系统
    • US08774504B1
    • 2014-07-08
    • US13282389
    • 2011-10-26
    • Rashmi N. SundareswaraNarayan Srinivasa
    • Rashmi N. SundareswaraNarayan Srinivasa
    • G06K9/00
    • G06K9/6267G06K9/00201G06K9/342G06K9/4652G06K9/4671G06K9/66G06T7/11G06T7/194G06T2207/20081G06T2207/20164
    • The present invention describes a system for recognizing objects from color images by detecting features of interest, classifying them according to previous objects' features that the system has been trained on, and finally drawing a boundary around them to separate each object from others in the image. Furthermore, local feature detection algorithms are applied to color images, outliers are removed, and resulting feature descriptors are clustered to achieve effective object recognition. Additionally, the present invention describes a system for extracting foreground objects and the correct rejection of the background from an image of a scene. Importantly, the present invention allows for changes to the camera viewpoint or lighting between training and test time. The system uses a supervised-learning algorithm and produces blobs of foreground objects that a recognition algorithm can then use for object detection/recognition.
    • 本发明描述了一种用于通过检测感兴趣的特征来识别彩色图像中的对象的系统,根据系统已经被训练的先前对象的特征对它们进行分类,并且最终在它们周围绘制边界以将每个对象与图像中的其他物体分开 。 此外,将局部特征检测算法应用于彩色图像,去除异常值,并且生成特征描述符被聚类以实现有效的对象识别。 此外,本发明描述了一种用于从场景的图像中提取前景对象和正确拒绝背景的系统。 重要的是,本发明允许在训练和测试时间之间改变相机视点或照明。 该系统使用监督学习算法,并产生一组前景对象,识别算法随后可用于对象检测/识别。