Search Results for author: Zejian Liu

Found 6 papers, 2 papers with code

$\rm A^2Q$: Aggregation-Aware Quantization for Graph Neural Networks

1 code implementation1 Feb 2023 Zeyu Zhu, Fanrong Li, Zitao Mo, Qinghao Hu, Gang Li, Zejian Liu, Xiaoyao Liang, Jian Cheng

Through an in-depth analysis of the topology of GNNs, we observe that the topology of the graph leads to significant differences between nodes, and most of the nodes in a graph appear to have a small aggregation value.

Quantization

Hardware Acceleration of Fully Quantized BERT for Efficient Natural Language Processing

no code implementations4 Mar 2021 Zejian Liu, Gang Li, Jian Cheng

BERT is the most recent Transformer-based model that achieves state-of-the-art performance in various NLP tasks.

Edge-computing

Equivalence of Convergence Rates of Posterior Distributions and Bayes Estimators for Functions and Nonparametric Functionals

no code implementations27 Nov 2020 Zejian Liu, Meng Li

For a general class of kernels, we establish convergence rates of the posterior measure of the regression function and its derivatives, which are both minimax optimal up to a logarithmic factor for functions in certain classes.

Gaussian Processes regression

On the Estimation of Derivatives Using Plug-in Kernel Ridge Regression Estimators

1 code implementation2 Jun 2020 Zejian Liu, Meng Li

We study the problem of estimating the derivatives of a regression function, which has a wide range of applications as a key nonparametric functional of unknown functions.

Gaussian Processes regression

A System-Level Solution for Low-Power Object Detection

no code implementations24 Sep 2019 Fanrong Li, Zitao Mo, Peisong Wang, Zejian Liu, Jiayun Zhang, Gang Li, Qinghao Hu, Xiangyu He, Cong Leng, Yang Zhang, Jian Cheng

As a case study, we evaluate our object detection system on a real-world surveillance video with input size of 512x512, and it turns out that the system can achieve an inference speed of 18 fps at the cost of 6. 9W (with display) with an mAP of 66. 4 verified on the PASCAL VOC 2012 dataset.

Object object-detection +2

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