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jiangab/
FISHER-small-0723

Name: FISHER-small-0723
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FISHER

Model Performances on the RMIS Benchmark

Introduction

FISHER is a Foundation model for Industrial Signal compreHEnsive Representation, which models heterogeneous industrial signals (sound, vibration, voltage, etc.) in a unified manner. FISHER accepts arbitrary sampling rates and models the increment of sampling rate as the concatenation of sub-band information, which first splits a STFT spectrogram into sub-bands before processsing it by the ViT encoder. FISHER is trained by teacher student EMA self-distillation.

To evaluate the model, we develop the RMIS benchmark, which will also be open-sourced in the near future. FISHER achieves the SOTA performances on the RMIS benchmark with much more efficient scaling properties.

Inference

Please use the following code to infer the signal representation by FISHER.

python

import torch
import torchaudio
import torch.nn.functional as F
from transformers import AutoModel

model = AutoModel.from_pretrained('jiangab/FISHER-small-0723', trust_remote_code=True)
model = model.cuda()
model.eval()

wav, sr = torchaudio.load('/path/to/local/signal.wav')
# You can replace it with your custom loading function for other signals

wav = wav - wav.mean()
STFT = torchaudio.transforms.Spectrogram(
    n_fft=25 * sr // 1000,
    win_length=None,
    hop_length=10 * sr // 1000,
    power=1,
    center=False
)
spec = torch.log(torch.abs(STFT(wav)) + 1e-10)
spec = spec.transpose(-2, -1)  # [1, time, freq]
spec = (spec + 3.017344307886898) / (2.1531635155379805 * 2)

# time-wise cutoff
if spec.shape[-2] > 1024:
    spec = spec[:, :1024]
# freq-wise padding
if spec.shape[-1] < model.cfg.band_width:
    spec = F.pad(spec, (0, model.cfg.band_width - spec.shape[-1]))
spec = spec.unsqueeze(1).cuda()

with torch.no_grad():
    # Use autocast for mixed precision inference. You can disable it for full precision.
    with torch.autocast('cuda'):
        repre = model.extract_features(spec)
print(repre.shape)

Acknowledgements

FISHER is developed based on EAT and fairseq. We thank these authors for open-sourcing their works.

Citation

If you find FISHER useful, please cite the following paper.

bibtex

@article{fan2025fisher,
  title={FISHER: A Foundation Model for Multi-Modal Industrial Signal Comprehensive Representation},
  author={Fan, Pingyi and Jiang, Anbai and Zhang, Shuwei and Lv, Zhiqiang and Han, Bing and Zheng, Xinhu and Liang, Wenrui and Li, Junjie and Zhang, Wei-Qiang and Qian, Yanmin and Chen, Xie and Lu, Cheng and Liu, Jia},
  journal={arXiv preprint arXiv:2507.16696},
  year={2025}
}