Scripts

Implementation of some unbalanced loss like focal_loss, dice_loss, DSC Loss, GHM Loss et.al

Implementation of some unbalanced loss for NLP task like focal_loss, dice_loss, DSC Loss, GHM Loss et.al Summary Here is a loss implementation repository included unbalanced loss How to use? You can find all the loss usage information in test_loss.py. Here is a simple demo of usage: import torch from unbalanced_loss.focal_loss import MultiFocalLoss batch_size, num_class = 64, 10 Loss_Func = MultiFocalLoss(num_class=num_class, gamma=2.0, reduction=

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Wrapper

Python wrapper kernel for Crystal

Simple Python wrapper kernel for Crystal language. ICrystal is the widely used Jupyter kernel for Crystal, which uses ICR. On the other hand, this crystal_kernel uses the official Crystal interpreter. Forked from bash_kernel installation Make sure the Crystal’s interpreter starts with crystal i. Then type the following commands. pip install crystal_kernel python -m crystal_kernel.install Development Something is better than nothing. GitHub View Github    

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Python

Please stop writing shell scripts

When you’re automating some task, for example packaging your application for Docker, you’ll often find yourself writing shell scripts. You might have a bash script to drive the packaging process, and another script as an entry point for the container. As your packaging grows in complexity, so does your shell script. Everything works fine. And then, one day, your shell script does something completely wrong. That’s when you realize your mistake: bash, and shell scripting languages in general, are mostly […]

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Computer Vision

The first released system towards complex meters` detection and recognition, which is implemented by computer vision techniques

This is the first released system towards detection and recognition of complex meters in wild. The system can be divided into three moduels. Fisrtly, a yolo-based detector is applied to get pure meter region. Secondly, a spatial transformer module is eatablished to rectify the position of meter. Lastly, an end-to-end network is to read meter values, which is implemented by pointer/dail predcition and key number learning. Visulization results Left row is the original image, middle row is the process of […]

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Domain

Official implementation of AdaTime: A Benchmarking Suite for Domain Adaptation on Time Series Data

by: Mohamed Ragab*, Emadeldeen Eldele*, Wee Ling Tan, Chuan-Sheng Foo, Zhenghua Chen, Min Wu, Chee Kwoh, Xiaoli Li AdaTime is a PyTorch suite to systematically and fairly evaluate different domain adaptation methods on time series data. Requirmenets: Python3 Pytorch==1.7 Numpy==1.20.1 scikit-learn==0.24.1 Pandas==1.2.4 skorch==0.10.0 (For DEV risk calculations) openpyxl==3.0.7 (for classification reports) Wandb=0.12.7 (for sweeps) Datasets Available Datasets We used four public datasets in this study. We also provide the preprocessed versions as follows: Adding New Dataset Structure of data To […]

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PyTorch

Towards Data-Efficient Detection Transformers

By Wen Wang, Jing Zhang, Yang Cao, Yongliang Shen, and Dacheng Tao This repository is an official implementation of DE-CondDETR and DELA-CondDETR in the paper Towards Data-Efficient Detection Transformers. For the implementation of DE-DETR and DELA-DETR, please refer to DE-DETRs. Introduction TL; DR. We identify the data-hungry issue of existing detection transformers and alleviate it by simply alternating how key and value sequences are constructed in the cross-attention layer, with minimum modifications to the original models. Besides, we introduce a […]

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Transformer

Local-Global Context Aware Transformer for Language-Guided Video Segmentation

This repository is an official PyTorch implementation of paper: Local-Global Context Aware Transformer for Language-Guided Video Segmentation. Chen Liang, Wenguan Wang, Tianfei Zhou, Jiaxu Miao, Yawei Luo, Yi Yang arXiv 2022. News & Update Logs: [2022-03-17] Repo created. Paper, code, and data will come in a few days. Stay tuned. [2022-03-18] Inference code, pretrained weights, and data for A2D-S+ released. [2022-03-21] arXiv (full paper available) Instructions on usage Training code and detailed instructions Code for dataset creation Abstract We explore […]

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Detection

A Dual Weighting Label Assignment Scheme for Object Detection

This repo hosts the code for implementing the DW, as presented in our CVPR 2022 paper. Introduction Label assignment (LA), which aims to assign each training sample a positive (pos) and a negative (neg) loss weight, plays an important role in object detection. Existing LA methods mostly focus on the design of pos weighting function, while the neg weight is directly derived from the pos weight. Such a mechanism limits the learning capacity of detectors. In this paper, we explore […]

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