Search Results for author: Shinan Liu

Found 11 papers, 4 papers with code

Algorithmic Data Minimization for Machine Learning over Internet-of-Things Data Streams

no code implementations7 Mar 2025 Ted Shaowang, Shinan Liu, Jonatas Marques, Nick Feamster, Sanjay Krishnan

Machine learning can analyze vast amounts of data generated by IoT devices to identify patterns, make predictions, and enable real-time decision-making.

Privacy Preserving

Generative Active Adaptation for Drifting and Imbalanced Network Intrusion Detection

no code implementations4 Mar 2025 Ragini Gupta, Shinan Liu, RuiXiao Zhang, Xinyue Hu, Pranav Kommaraju, Xiaoyang Wang, Hadjer Benkraouda, Nick Feamster, Klara Nahrstedt

We evaluate our end-to-end framework on both simulated IDS data and a real-world ISP dataset, demonstrating significant improvements in intrusion detection performance.

Network Intrusion Detection

YOLOSCM: An improved YOLO algorithm for cars detection

no code implementations23 Jan 2025 Changhui Deng, Lieyang Chen, Shinan Liu

To address the challenges of large-scale images and the non-uniform distribution of vehicles, we propose a Segmentation Clustering Module (SCM).

Clustering

Research on Improved U-net Based Remote Sensing Image Segmentation Algorithm

no code implementations22 Aug 2024 Qiming Yang, Zixin Wang, Shinan Liu, Zizheng Li

In recent years, although U-Net network has made significant progress in the field of image segmentation, it still faces performance bottlenecks in remote sensing image segmentation.

Image Segmentation Segmentation +1

ServeFlow: A Fast-Slow Model Architecture for Network Traffic Analysis

no code implementations6 Feb 2024 Shinan Liu, Ted Shaowang, Gerry Wan, Jeewon Chae, Jonatas Marques, Sanjay Krishnan, Nick Feamster

ServeFlow is able to make inferences on 76. 3% of flows in under 16ms, which is a speed-up of 40. 5x on the median end-to-end serving latency while increasing the service rate and maintaining similar accuracy.

LEAF: Navigating Concept Drift in Cellular Networks

no code implementations7 Sep 2021 Shinan Liu, Francesco Bronzino, Paul Schmitt, Arjun Nitin Bhagoji, Nick Feamster, Hector Garcia Crespo, Timothy Coyle, Brian Ward

We then show that frequent model retraining with newly available data is not sufficient to mitigate concept drift, and can even degrade model accuracy further.

BIG-bench Machine Learning Management

GroupFormer: Group Activity Recognition with Clustered Spatial-Temporal Transformer

1 code implementation ICCV 2021 Shuaicheng Li, Qianggang Cao, Lingbo Liu, Kunlin Yang, Shinan Liu, Jun Hou, Shuai Yi

It captures spatial-temporal contextual information jointly to augment the individual and group representations effectively with a clustered spatial-temporal transformer.

Group Activity Recognition

Video Crowd Localization with Multi-focus Gaussian Neighborhood Attention and a Large-Scale Benchmark

1 code implementation19 Jul 2021 Haopeng Li, Lingbo Liu, Kunlin Yang, Shinan Liu, Junyu Gao, Bin Zhao, Rui Zhang, Jun Hou

Video crowd localization is a crucial yet challenging task, which aims to estimate exact locations of human heads in the given crowded videos.

Rethinking Pseudo-LiDAR Representation

1 code implementation ECCV 2020 Xinzhu Ma, Shinan Liu, Zhiyi Xia, Hongwen Zhang, Xingyu Zeng, Wanli Ouyang

Based on this observation, we design an image based CNN detector named Patch-Net, which is more generalized and can be instantiated as pseudo-LiDAR based 3D detectors.

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