Search Results for author: Cong Xie

Found 25 papers, 9 papers with code

Object-Driven One-Shot Fine-tuning of Text-to-Image Diffusion with Prototypical Embedding

no code implementations28 Jan 2024 Jianxiang Lu, Cong Xie, Hui Guo

Our proposed method aims to address the challenges of generalizability and fidelity in an object-driven way, using only a single input image and the object-specific regions of interest.

Object Text-to-Image Generation

LEMON: Lossless model expansion

no code implementations12 Oct 2023 Yite Wang, Jiahao Su, Hanlin Lu, Cong Xie, Tianyi Liu, Jianbo Yuan, Haibin Lin, Ruoyu Sun, Hongxia Yang

Our empirical results demonstrate that LEMON reduces computational costs by 56. 7% for Vision Transformers and 33. 2% for BERT when compared to training from scratch.

Baechi: Fast Device Placement of Machine Learning Graphs

no code implementations20 Jan 2023 Beomyeol Jeon, Linda Cai, Chirag Shetty, Pallavi Srivastava, Jintao Jiang, Xiaolan Ke, Yitao Meng, Cong Xie, Indranil Gupta

While these result in model placements that train fast on data (i. e., low step times), learning-based model-parallelism is time-consuming, taking many hours or days to create a placement plan of operators on devices.

ZenoPS: A Distributed Learning System Integrating Communication Efficiency and Security

1 code implementation Algorithms 2022 Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

Distributed machine learning is primarily motivated by the promise of increased computation power for accelerating training and mitigating privacy concerns.

BIG-bench Machine Learning

Learning Shape Priors by Pairwise Comparison for Robust Semantic Segmentation

no code implementations23 Apr 2022 Cong Xie, Hualuo Liu, Shilei Cao, Dong Wei, Kai Ma, Liansheng Wang, Yefeng Zheng

A cosine similarity based attention module is proposed to fuse the information from both encoders, to utilize both types of prior information encoded by the template-encoder and model the inter-subject similarity for each foreground class.

Semantic Segmentation

RECIST-Net: Lesion detection via grouping keypoints on RECIST-based annotation

no code implementations19 Jul 2021 Cong Xie, Shilei Cao, Dong Wei, HongYu Zhou, Kai Ma, Xianli Zhang, Buyue Qian, Liansheng Wang, Yefeng Zheng

Universal lesion detection in computed tomography (CT) images is an important yet challenging task due to the large variations in lesion type, size, shape, and appearance.

Computed Tomography (CT) Lesion Detection +1

Compressed Communication for Distributed Training: Adaptive Methods and System

1 code implementation17 May 2021 Yuchen Zhong, Cong Xie, Shuai Zheng, Haibin Lin

Recently, there has been a growing interest in using gradient compression to reduce the communication overhead of the distributed training.

NAS-Navigator: Visual Steering for Explainable One-Shot Deep Neural Network Synthesis

no code implementations28 Sep 2020 Anjul Tyagi, Cong Xie, Klaus Mueller

To deal with the problem, we formulate the task of neural network architecture optimization as a graph space exploration, based on the one-shot architecture search technique.

SMAP: A Joint Dimensionality Reduction Scheme for Secure Multi-Party Visualization

no code implementations30 Jul 2020 Jiazhi Xia, Tianxiang Chen, Lei Zhang, Wei Chen, Yang Chen, Xiaolong Zhang, Cong Xie, Tobias Schreck

We build a prototype system based on our method, SMAP, to support the organization, computation, and exploration of secure joint embedding.

Dimensionality Reduction

CSER: Communication-efficient SGD with Error Reset

no code implementations NeurIPS 2020 Cong Xie, Shuai Zheng, Oluwasanmi Koyejo, Indranil Gupta, Mu Li, Haibin Lin

The scalability of Distributed Stochastic Gradient Descent (SGD) is today limited by communication bottlenecks.

Zeno++: Robust Fully Asynchronous SGD

1 code implementation ICML 2020 Cong Xie, Sanmi Koyejo, Indranil Gupta

We propose Zeno++, a new robust asynchronous Stochastic Gradient Descent~(SGD) procedure which tolerates Byzantine failures of the workers.

Fall of Empires: Breaking Byzantine-tolerant SGD by Inner Product Manipulation

4 code implementations10 Mar 2019 Cong Xie, Sanmi Koyejo, Indranil Gupta

Recently, new defense techniques have been developed to tolerate Byzantine failures for distributed machine learning.

BIG-bench Machine Learning

Asynchronous Federated Optimization

1 code implementation10 Mar 2019 Cong Xie, Sanmi Koyejo, Indranil Gupta

Federated learning enables training on a massive number of edge devices.

Federated Learning

Zeno: Distributed Stochastic Gradient Descent with Suspicion-based Fault-tolerance

1 code implementation25 May 2018 Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

We present Zeno, a technique to make distributed machine learning, particularly Stochastic Gradient Descent (SGD), tolerant to an arbitrary number of faulty workers.

BIG-bench Machine Learning

Phocas: dimensional Byzantine-resilient stochastic gradient descent

no code implementations23 May 2018 Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

We propose a novel robust aggregation rule for distributed synchronous Stochastic Gradient Descent~(SGD) under a general Byzantine failure model.

Generalized Byzantine-tolerant SGD

no code implementations27 Feb 2018 Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

We propose three new robust aggregation rules for distributed synchronous Stochastic Gradient Descent~(SGD) under a general Byzantine failure model.

Attack RMSE Leaderboard: An Introduction and Case Study

1 code implementation14 Feb 2018 Cong Xie

In this manuscript, we briefly introduce several tricks to climb the leaderboards which use RMSE for evaluation without exploiting any training data.

Faster Distributed Synchronous SGD with Weak Synchronization

no code implementations ICLR 2018 Cong Xie, Oluwasanmi O. Koyejo, Indranil Gupta

Distributed training of deep learning is widely conducted with large neural networks and large datasets.

Wishart Mechanism for Differentially Private Principal Components Analysis

no code implementations18 Nov 2015 Wuxuan Jiang, Cong Xie, Zhihua Zhang

We propose a new input perturbation mechanism for publishing a covariance matrix to achieve $(\epsilon, 0)$-differential privacy.

A New Relaxation Approach to Normalized Hypergraph Cut

no code implementations9 Nov 2015 Cong Xie, Wu-Jun Li, Zhihua Zhang

Normalized graph cut (NGC) has become a popular research topic due to its wide applications in a large variety of areas like machine learning and very large scale integration (VLSI) circuit design.

Clustering

A Scalable and Extensible Framework for Superposition-Structured Models

no code implementations8 Sep 2015 Shenjian Zhao, Cong Xie, Zhihua Zhang

In many learning tasks, structural models usually lead to better interpretability and higher generalization performance.

Distributed Power-law Graph Computing: Theoretical and Empirical Analysis

no code implementations NeurIPS 2014 Cong Xie, Ling Yan, Wu-Jun Li, Zhihua Zhang

We theoretically prove that DBH can achieve lower communication cost than existing methods and can simultaneously guarantee good workload balance.

BIG-bench Machine Learning graph partitioning

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