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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 发表日期：2022     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Recognition of weld defects from X-ray images based on improved convolutional neural network 期刊论文 Multimedia Tools and Applications, 2022, 卷号: 81, 期号: 11, 页码: 15085-15102 作者:  Hu, Ande;  Wu, Lijian;  Huang, Jiankang;  Fan, Ding;  Xu, Zhenya 收藏  |  浏览/下载：31/0  |  提交时间：2022/06/20 Chemical activation  Convolution  Convolutional neural networks  Defects  Image enhancement  Image segmentation  Processing  Welds  Activation functions  Convolution neural network  Convolutional neural network  Exponential linear unit function  Exponentials  Linear units  Pooling  Unit functions  Weld defects  Weld defects recognition   Dynamic Causal Effects Evaluation in A/B Testing with a Reinforcement Learning Framework 期刊论文 JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 2022, 页码: 13 作者:  Shi, Chengchun;  Wang, Xiaoyu;  Luo, Shikai;  Zhu, Hongtu;  Ye, Jieping 收藏  |  浏览/下载：13/0  |  提交时间：2022/04/29 A/B testing  Causal inference  Online experiment  Online updating  Reinforcement learning  Sequential testing   How to allocate multi-period research resources? Centralized resource allocation for public universities in China using a parallel DEA-based approach 期刊论文 SOCIO-ECONOMIC PLANNING SCIENCES, 2022, 卷号: 82 作者:  Xiong, Xi 收藏  |  浏览/下载：0/0  |  提交时间：2023/05/30 Centralized resource allocation  Multi-period resources  Data envelopment analysis  Public universities