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Pytorch的distributed training

现在数据集变得越来越大,训练也由原来的多卡到多机,pytorch在1.0.0之后在distributed learning上做的已经比较好了,在官网也有现成的文档可以看,网上对这部分内容的介绍也很多。这里只是记录下自己看tutorial的过程,可能会有很多不足的地方,欢迎指正。
2020-04-19
Tools
#Pytorch

Bit-Scalable Deep Hashing With Regularized Similarity Learning for Image Retrieval and Person Re-Identification

TIP2015 paper,除了利用deep learning,为了能够实现变长的hash code,学习了weight matrix来对hamming distance做加权。
2019-11-25
Computer Science
# Deep Hash

Supervised Hashing for Image Retrieval via Image Representation Learning

AAAI2014论文,第一篇基于Deep Learning的Learning to hash文章,采用的双阶段方法,先把由ground truth得到的similarity matrix进行decomposition,得到近似的target hash code,再学习image到target hash code的映射。
2019-11-22
Computer Science
#Deep Hash

Simultaneous Feature Learning and Hash Coding with Deep Neural Networks

CVPR2015 deep hash论文,采用triplet loss并提出一个divide-and-encode module。
2019-11-22
Computer Science
#Deep Hash

awesome-hash

Collections 1. Statistics 2. Survey 3. Unsupervised Hash (+ Transfer / Semi-supervised learning) 4. Supervised Hash 5. Others 6. Datasets
2019-11-20
Computer Science > Collections
#hash

最大熵模型的理解

最近在看一些无监督聚类的文章,发现了很有意思的博客,里面讲了很多关于数学、物理、天文还有信息科学的内容。在看完博主关于最大熵的内容后也写下一点心得。 首先是熵的定义,离散概率和连续概率形式:$$S(x)=-\sum_{x} p(x) \log p(x)\tag{1}$$$$S(x)=-\int p(x)\log p(x) dx\tag{2}$$ 其实之间看到这个定义是比较疑惑的,为什么会是这个形式
2019-11-08
Math
#概率论 #最大熵 #熵

Unsupervised Cross-dataset Person Re-identification by Transfer Learning of Spatial-Temporal Pattern

CVPR2018 paper,ReID上的transfer learning。
2019-10-21
Computer Science
#Unsupervised ReID #Transfer Learning

Self-similarity Grouping: A Simple Unsupervised Cross Domain Adaptation Approach for Person Re-identification

ICCV 2019 oral
2019-09-11
Computer Science
#ReID #Unsupervised #Grouping

STA: Spatial-Temporal Attention for Large-Scale Video-based Person Re-Identification

AAAI2019 paper
2019-09-10
Computer Science
#Video Person ReID #Attention

Cross-view Asymmetric Metric Learning for Unsupervised Person Re-identification

ICCV2017 paper
2019-09-10
Computer Science
#ReID #Unsupervised #Cross-view #Metric Learning
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