isLouisHsu / isLouisHsu/isLouisHsu.github.io
SphereFace, CosFace, ArcFace | LOUIS' BLOG
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Description
https://louishsu.xyz/2019/07/13/SphereFace-CosFace-ArcFace/
文中合成gif图不清晰，原图可在该页面下载获取 前言深度神经网络可将样本映射到超空间中的嵌入向量，然而若不在损失中增加几何约束，该超空间中的嵌入向量不具有几何意义。现对空间中嵌入向量间的余弦距离研究甚是火热，可用于open-set数据集的识别问题，特别是人脸验证问题。 所谓open-set与close-set，是指训练集中是否包含测试集中的类别，如人脸问题中，训练集不可能包含所有人的人脸数
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Open the linked blog post and compare the embedded GIF with the original available for download from that page. Locate the article asset in the site source and update the unclear animation; done means the rendered article displays a clearer GIF.
Written by the indexing model from the issue text.
Assessment
- Domain
- content
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100