...图像的视觉特征的相似度进行查询,图像的特征包括颜色特征,纹理特 征,形状特征等 ②两大困难: (1) 维数灾难 ( dimension disaster ):特征维数太大,无法大量计算 (2)语义鸿沟(semantic gap):内容特征相似的图像可能完全不相关,低层特征和图像意 义没有必然联系 减...
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It is built on the principia of Structural Risk Minimization(SRM),and can avoid the problems of overfiting,dimension disaster and local minimum point,etc. Moreover,it still possesses good performance under the condition of small sample.
它建立在结构风险最小原则(SRM)之上,能有效避免过学习、维数灾难、产生局部极小点等问题,在小样本条件下仍具有良好的推广能力。
参考来源 - 双阈值控制的字符串核SVM研究·2,447,543篇论文数据,部分数据来源于NoteExpress
To every accident and disaster there is a potentially redemptive dimension that we are usually unaware of.
每件意外与灾难,都存在着一个可能的救赎,我们却经常未能察觉。
The authorities say there is no danger to the dam itself, but the accident has caused an oil spill which is now floating downstream, adding an environmental dimension to the disaster.
官方称大坝本身没有危险,但是事故造成石油泄露,目前正向下游漂流,增加了这次灾难的环境危害。
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