Experiments on Web image annotation show that the method is much better in accuracy and efficiency than other distance metric learning methods.4.
网络图像标注的应用显示出该方法比传统的距离学习方法更加高效和准确。
参考来源 - 视觉语言分析：从底层视觉特征表达到语义距离学习·2,447,543篇论文数据，部分数据来源于NoteExpress
On the other hand, a proper distance metric, which reflects the semantic similarity between images, is obtained by using a distance metric learning algorithm.
另一方面，对线性融合后的特征，利用距离测度学习算法从图像训练集中学到一个距离函数以更恰当的反映图像内容间的相似度。
In this paper, a kind of variable metric fast second order nonlinear optimization algorithm is proposed, where a second order interpolating method is used in the optimization of learning rate.
神经网络的辨识采用变尺度二阶快速学习算法，利用二阶插值法来优化搜索学习速率。
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