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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Detection

VISTA: Boosting 3D Object Detection via Dual Cross-VIew SpaTial Attention

VISTA: Boosting 3D Object Detection via Dual Cross-VIew SpaTial Attention Shengheng Deng, Zhihao Liang, Lin Sun and Kui Jia* (*) Corresponding author Introduction Detecting objects from LiDAR point clouds is of tremendous significance in autonomous driving. In spite of good progress, accurate and reliable 3D detection is yet to be achieved due to the sparsity and irregularity of LiDAR point clouds. Among existing strategies, multi-view methods have shown great promise by leveraging the more comprehensive information from both bird’s eye […]

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Scripts

A Minimal Example of Isaac Gym with DQN and PPO

This repository provides a minimal example of NVIDIA’s Isaac Gym, to assist other researchers like me to quickly understand the code structure, to be able to design fully customised large-scale reinforcement learning experiments. The example is based on the official implementation from the Isaac Gym’s Benchmark Experiments, for which we have followed a similar implementation on Cartpole, but with a minimal number of lines of code aiming for maximal readability, and without using any third-party RL frameworks. Note: The current […]

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Transformer

A huggingface transformers implementation of Transformer Memory as a Differentiable Search Index

A huggingface transformers implementation of Transformer Memory as a Differentiable Search Index, Yi Tay, Vinh Q. Tran, Mostafa Dehghani, Jianmo Ni, Dara Bahri, Harsh Mehta, Zhen Qin, Kai Hui, Zhe Zhao, Jai Gupta, Tal Schuster, William W. Cohen, Donald Metzler Requirements: python=3.8 transformers=4.17.0 datasets=1.18.3 wandb Note: This is not the official repository. Goal of this repository Reproduce the results of DSI Large, Naive String Docid, NQ10K. According to Table 3 in the original paper, we should have [email protected]=0.347,[email protected]=0.605 Step1: Create […]

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Translation

Translation Bot between Ukrainian and Czech

Goal Create translation bot that will be translating messages between Ukrainian and Czech in popular messaging platforms. Results API For the translation we will use UFAL API – https://lindat.cz/translation/ Messaging Platforms Popularity There are various websites with statistics: It looks that Telegram is popular in Ukraine. API Telegram WhatsApp Messenger Viber Status: GitHub View Github    

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Function

Defense your python project by hiding it using encryption with remaining functionality and output

Defense your python project/separated file by hiding it using encryption with remaining functionality and output ❕ This tool will be useful if you want to share your Python project/separated file without revealing its source code. All contents of the files are encrypted and cannot be read by a person, while this does not affect the functionality and the output of the code. 🛠 Usage: > cd ../SourceCodeDefencer >> python run_defencer.py ./path_target_project” readability=”32″> >> cd ../SourceCodeDefencer >> python run_defencer.py ./path_target_project ℹ️ℹ️ℹ️ […]

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Challenge

Several web based challenge ideas for a CTF

this repo consists of several challenge ideas for a CTF, all based around web challenges. All can be run in docker containers, where the git and cert challenge run in the same container (docker-cert-and-git-poc). The first challenge consists of a “sql based cookie injection”, using flask as a webserver and mysql as the database. challenge 1 The second challenge resolves around git. challenge 2 The third challenge is about authenticating with a client cert with a certain “Subject” field in […]

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Function

Preliminary code for Representation learning with Generalized Similarity Functions

Code for GSF learning in offline Procgen. Note: The repo is under construction right now, some experiments might still be changed/ added. Since the dataset is very large due to operating on pixel observations, we provide a way to generate it from pre-trained PPO checkpoints instead of hosting 1Tb+ of data. Instructions Clone the repo Either train a PPO agent from scratch on 200 levels (see here: here), or download provided PPO checkpoints (same repo link). TLDR, you can run […]

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