To overcome the shortcoming in the estimation of probability using frequency with small samples in the discovery of EPs, Bayes estimation is introduced into the discovery of EPs, which relieves the instability of Entropy by adding virtual samples.
针对提取显现模式时在小样本情况下将频率近似于概率的缺陷,在熵的计算中引入贝叶斯估计,即通过增加虚拟样本的方法估计概率从而缓解小样本下熵度量的不稳定性。
参考来源 - 基于微阵列的基因分类算法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
将镜像变换、平移、旋转、缩放等几何变换手段与积分投影等方法相结合来增加虚拟样本。
It increases the virtual samples by the method of combining mirror transform, integral map and geometric transform such as shifting, rotating and zooming.
通过分析各种样本扩充方法的优缺点,用多种样本扩充方法来生成虚拟样本,以充分利用单一样本所提供的信息。
By analyzing the advantage and disadvantage of various sample augment methods, some of them were combined to synthesize virtual samples in order to make full use of the single training image.
然后根据虚拟样本生成技术的本质将其划分为3类,并针对每一类讨论了几种典型的虚拟样本生成技术,进而指出了现有虚拟样本生成技术存在的一些不足。
Then the current virtual sample generation technologies were divided into 3 classes by their essence, and for each class several typical virtual sample generation technologies were discussed.
应用推荐