# Face Recognition Rank-1

**URL:** <https://discuss.pytorch.org/t/face-recognition-rank-1/60468>\
**Category:** Uncategorized\
**Created:** [November 9, 2019, 1:59pm UTC](https://discuss.pytorch.org/t/face-recognition-rank-1/60468 "2019-11-09T13:59:09Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![LizLima](https://discuss.pytorch.org/user_avatar/discuss.pytorch.org/lizlima/32/17509_2.png) [@LizLima](https://discuss.pytorch.org/u/LizLima)\
**Post date:** [November 9, 2019, 1:59pm UTC](https://discuss.pytorch.org/t/face-recognition-rank-1/60468/1 "2019-11-09T13:59:09Z")

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Hi,  
I am working with face generation and the dataset have a image target and use a model to generate a new image, and I try to implement metrics Rank-1 to verify the generated image. I have a question about how to calculate this metrics the number of classes is 500.