PASSL包含 SimCLR，MoCo，BYOL，CLIP等基于对比学习的图像自监督算法以及 Vision-Transformer，Swin-Transformer，BEiT，CVT，T2T，MLP_Mixer等视觉Transformer算法

Related tags

Deep Learningdeep-learningclippaddlemocoself-supervised-learningcvtsimclrbeitvision-transformermoco-v2swin-transformer
Overview

PASSL

Introduction

PASSL is a Paddle based vision library for state-of-the-art Self-Supervised Learning research with PaddlePaddle. PASSL aims to accelerate research cycle in self-supervised learning: from designing a new self-supervised task to evaluating the learned representations.

  • Reproducible implementation of SOTA in Self-Supervision: Existing SOTA in Self-Supervision are implemented - SimCLR, MoCo(v1),MoCo(v2), MoCo-BYOL, CLIP. BYOL is coming soon. Also supports supervised trainings.
  • Modular: Easy to build new tasks and reuse the existing components from other tasks (Trainer, models and heads, data transforms, etc.).

Installation

Implemented Models

Benchmark Linear Image Classification on ImageNet-1K

epochs official results passl results Backbone Model
MoCo 200 60.6 60.64 ResNet-50 download
SimCLR 100 64.5 65.3 ResNet-50 download
MoCo v2 200 67.7 67.72 ResNet-50 download
MoCo-BYOL 300 71.56 72.10 ResNet-50 download
BYOL 300 72.50 71.62 ResNet-50 download

Getting Started

Please see GETTING_STARTED.md for the basic usage of PASSL.

Tutorials

Comments
  • MLP-Mixer: An all-MLP Architecture for Vision

    MLP-Mixer: An all-MLP Architecture for Vision

    readme文件里的两个模型的TOP1 是不是写反了？模型大的准确度比模型小的准确度小一些？

    Arch | Weight | Top-1 Acc | Top-5 Acc | Crop ratio | # Params -- | -- | -- | -- | -- | -- mlp_mixer_b16_224 | pretrain 1k | 76.60 | 92.23 | 0.875 | 60.0M mlp_mixer_l16_224 | pretrain 1k | 72.06 | 87.67 | 0.875 | 208.2M

    opened by gaorui999 3
  • 我很关注图像分类的自监督进展

    我很关注图像分类的自监督进展

    小弟想问问,对于图像分类的自监督,目前是什么进展呢?比如猫狗分类这种典型的二分类准确率如何?imagenet1k分类准确率如何?PASSL里面的关于图像分类的自监督算法或者模型,有哪些?能给个例子,让我知道如何使用吗?目前看到PASSLissues才1条,文档完全没看到.方便加个微信或者QQ聊几句吗?小弟对于图像分类的自监督高度重视.还有一个疑问,关于图像分类的自监督模型,是不是我给一堆图片,模型运行后,就会把图片归类呢?我需不需要给出类别的数量呢?说白了,我想知道图像分类的自监督的一个使用流程.现在都1.0了,该有点用处了吧.如果一个模型运行后,图像就分好类了,归纳为N类,我有什么办法判断分类的正确性呢?这方面有算法吗? 提了很多问题,跪求每个问题都回答一下,谢谢大佬.

    opened by yuwoyizhan 2
  • Unintended behavior in clip_logit_scale

    Unintended behavior in clip_logit_scale

    https://github.com/PaddlePaddle/PASSL/blob/83c49e6a5ba3444cee7f054122559d7759152764/passl/modeling/backbones/clip.py#L317

    check this issue for reference https://github.com/PaddlePaddle/Paddle/issues/43710

    Suggested approach (with non-public API)

    logit_scale_buffer = self.logit_scale.clip(-4.6, 4.6)
logit_scale_buffer._share_buffer_to(self.logit_scale)
    opened by minogame 1
  • 建议

    建议

    1.passl很多文字都是英文的,包括快速使用等文档,希望可以提供中文文档. 2.希望知道图像分类自监督学习的技术研究目前到达什么程度了.比如猫狗这种二分类准确率如何,imagenet准确率如何,使用passl进行图像分类,需要给类别总数量吗? 3.能加个QQ或者微信聊几句吗?有些疑问,拜托了,大佬. QQ:1226194560 微信:18820785964

    opened by yuwoyizhan 1
  • fix bug of mixup for DeiT

    fix bug of mixup for DeiT

    DeiT/B-16 pretrained on ImageNet1K:

    [01/21 02:54:46] passl.engine.trainer INFO: Validate Epoch [290] acc1 (81.336), acc5 (95.544)
[01/21 03:02:31] passl.engine.trainer INFO: Validate Epoch [291] acc1 (81.328), acc5 (95.580)
[01/21 03:10:20] passl.engine.trainer INFO: Validate Epoch [292] acc1 (81.390), acc5 (95.608)
[01/21 03:18:10] passl.engine.trainer INFO: Validate Epoch [293] acc1 (81.484), acc5 (95.636)
[01/21 03:26:00] passl.engine.trainer INFO: Validate Epoch [294] acc1 (81.452), acc5 (95.600)
[01/21 03:33:52] passl.engine.trainer INFO: Validate Epoch [295] acc1 (81.354), acc5 (95.528)
[01/21 03:41:38] passl.engine.trainer INFO: Validate Epoch [296] acc1 (81.338), acc5 (95.562)
[01/21 03:49:25] passl.engine.trainer INFO: Validate Epoch [297] acc1 (81.344), acc5 (95.542)
[01/21 03:57:15] passl.engine.trainer INFO: Validate Epoch [298] acc1 (81.476), acc5 (95.550)
[01/21 04:05:03] passl.engine.trainer INFO: Validate Epoch [299] acc1 (81.476), acc5 (95.572)
[01/21 04:12:51] passl.engine.trainer INFO: Validate Epoch [300] acc1 (81.386), acc5 (95.536)
    opened by GuoxiaWang 1
  • BYOL的预训练中好像使用了gt_label？

    BYOL的预训练中好像使用了gt_label？

    • 在byol的config 中设置了 num_classes=1000: https://github.com/PaddlePaddle/PASSL/blob/9d7a9fd4af41772e29120553dddab1c162e4cb70/configs/byol/byol_r50_IM.yaml#L34
    • 在model中设置了self.classifier = nn.Linear(embedding_dim, num_classes)，并且forward中将classif_out和label一起传给了head

    image

    https://github.com/PaddlePaddle/PASSL/blob/9d7a9fd4af41772e29120553dddab1c162e4cb70/passl/modeling/architectures/BYOL.py#L263

    • 在L2 Head中将对比loss和有监督的CE loss加在了一起返回

    image

    https://github.com/PaddlePaddle/PASSL/blob/9d7a9fd4af41772e29120553dddab1c162e4cb70/passl/modeling/heads/l2_head.py#L43

    opened by youqingxiaozhua 0
  • [飞桨论文复现挑战赛(第六期)] (85) Emerging Properties in Self-Supervised Vision Transformers

    [飞桨论文复现挑战赛(第六期)] (85) Emerging Properties in Self-Supervised Vision Transformers

    PR types

    New features

    PR changes

    APIs

    Describe

    • Task: https://github.com/PaddlePaddle/Paddle/issues/41482
    • 添加 passl.model.architectures.dino

    Peformance

    | Model | Official | Passl | | ---- | ---- | ---- | | DINO | 74.0 | 73.6 |

    • [x] 预训练和linear probe代码
    • [ ] 预训练和linear probe权重
    • [ ] 文档
    • [ ] TIPC
    opened by fuqianya 0
Releases(v1.0.0)

  • v1.0.0(Feb 24, 2022)

    • 新增 XCiT 视觉 Transformer 模型 xcit_nano_12_p8_224 蒸馏模型训练指标对齐，感谢 @BrilliantYuKaimin 的高质量贡献 🎉 🎉 🎉

    PASSL飞桨自监督领域核心学习库，提供大量高精度的视觉自监督模型、视觉 Transformer 模型，并支持超大视觉模型分布式训练功能，旨在提升飞桨开发者在自监督领域建模效率，并提供基于飞桨框架2.2的超大视觉模型领域最佳实践

    Source code(tar.gz)
    Source code(zip)
Owner
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