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citnaj's profile
Jason Antic
Jason Antic
Jason Antic
@citnaj

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Jason Antic

@citnaj

Obsessively pursuing the perfection of image and video colorization/restoration using deep learning. Creator of DeOldify.

Ocean Beach, San Diego
deoldify.ai
Joined January 2010

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    1. Jason Antic‏ @citnaj 24 Aug 2019
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      I am -loving- this combined Rectifed Adam (RAdam) + LookAhead optimizer. It's freaky stable and powerful, especially for my purposes. Only weird thing to keep in mind- I've had to multiply my learning rates by over 100x to maximally take advantage.https://medium.com/@lessw/new-deep-learning-optimizer-ranger-synergistic-combination-of-radam-lookahead-for-the-best-of-2dc83f79a48d …

      8 replies 100 retweets 486 likes
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    2. Hector Yee‏ @eigenhector 24 Aug 2019
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      Replying to @citnaj

      These do not include the weight fixing of AdamW? So there might still be generalization gap issues?

      1 reply 0 retweets 6 likes
    3. Jason Antic‏ @citnaj 24 Aug 2019
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      Replying to @eigenhector

      Aw yes I noticed that too...but then forgot ha. Thanks for pointing that out.

      1 reply 0 retweets 1 like
    4. Avio‏ @aviopene 24 Aug 2019
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      Replying to @citnaj @eigenhector

      Yup, what is AdamW and weight fixing? Can you spoil me something on the fly plz?

      3 replies 1 retweet 0 likes
      Jason Antic‏ @citnaj 24 Aug 2019
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      Replying to @aviopene @eigenhector

      But basically weight decay in normal Adam is done in a sub-optimal way and this addresses that.

      2:34 PM - 24 Aug 2019
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