Search Results for author: Shinan Liu

Found 7 papers, 4 papers with code

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

We identify that on the same task, inference time across models can differ by 2. 7x-136. 3x, while the median inter-packet waiting time is often 6-8 orders of magnitude higher than the inference time!

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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