lora-training / chise /README.md
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Waraku Chise (Blue Archive)

和楽チセ (ブルーアーカイブ) / 와라쿠 치세 (블루 아카이브) / 和楽千世 (碧蓝档案)

Download here.

Table of Contents

Preview

Chise portrait Chise moon Chise calligraphy Chise swimsuit

Usage

Use any or all of these tags to summon Chise: chise, halo, oni horns, hair flower, red eyes, blue hair

For her normal outfit: braid, japanese clothes, detached sleeves, bridal gauntlets, obi, tabi, geta, sailor collar, blue bow

For her swimsuit alt: side ponytail, swimsuit, striped bikini, see-through, see-through shirt, white sailor collar, side-tie bikini bottom

  • You may also add pointy ears, which are usually only visible in her swimsuit outfit.

Training

Exact parameters are provided in the accompanying JSON files.

  • Trained on a set of 119 images; 76 swimsuit, 43 normal.
    • 15 repeats for normal outfit
    • 9 repeats for swimsuit outfit
    • 3 batch size, 4 epochs
    • (76*9 + 43*15) / 3 * 4 = 1772 steps
  • 0.0837 loss
  • 832x832 training resolution
  • constant_with_warmup scheduler
  • Initially tagged with WD1.4 Convnext-v2 model, then heavily edited.
    • Pruned redundant tags and simplified outfit tags such that Chise's outfit was always described with the same words
    • Ensured unique traits such as halo were consistent with actual visibility
    • Added many tags for facial expressions, camera angles, and image composition
  • Used network_dimension 128 (same as usual) / network alpha 128 (default)
    • Resized to 32dim after training
  • Trained without VAE.
  • Training dataset available here.

Revisions

  • v5b (2023-02-12)
    • Completely re-trained to correct issue where caption files were not being loaded correctly. New version should have more flexibility but requires additional outfit prompting.
  • v1 (2023-01-26)
    • Initial release.
    • Issue: caption files were completely ignored during training. As a result, prompting "chise" grants a very strong effect, but the LoRA is highly overfit.

Alternate Version - v1

v1 is also available. This version was improperly configured and ignored caption files, so it was trained on the word chise only. It looks quite good, however the model is very overfit and it is difficult to adjust Chise's outfit.

Download v1. Chise v1 Preview