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Domain decomposition (DD) methods are a natural way to take advantage of parallel computers when solving large scale linear systems. Their scalability depends on the design of the coarse space used in the two-level method. The analysis of…

Numerical Analysis · Mathematics 2025-07-08 Frédéric Nataf , Emile Parolin

Prompt learning has emerged as an efficient alternative to fine-tuning pre-trained vision-language models (VLMs). Despite its promise, current methods still struggle to maintain tail-class discriminability when adapting to class-imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Boyang Guo , Liang Li , Lin Peng , Yuhan Gao , Xichun Sheng , Chenggang Yan

The goal of this work is to construct and study hybrid and multiplicative two-level overlapping Schwarz algorithms with standard coarse spaces for the almost incompressible linear elasticity and Stokes systems, discretized by mixed finite…

Numerical Analysis · Mathematics 2016-11-03 Mingchao Cai , Luca F. Pavarino

Neural network sparsity has attracted many research interests due to its similarity to biological schemes and high energy efficiency. However, existing methods depend on long-time training or fine-tuning, which prevents large-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Ruihao Gong , Yang Yong , Zining Wang , Jinyang Guo , Xiuying Wei , Yuqing Ma , Xianglong Liu

Pretraining CNN models (i.e., UNet) through self-supervision has become a powerful approach to facilitate medical image segmentation under low annotation regimes. Recent contrastive learning methods encourage similar global representations…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Zhangsihao Yang , Mengwei Ren , Kaize Ding , Guido Gerig , Yalin Wang

Non-autoregressive translation (NAT) models are typically trained with the cross-entropy loss, which forces the model outputs to be aligned verbatim with the target sentence and will highly penalize small shifts in word positions. Latent…

Computation and Language · Computer Science 2022-10-11 Chenze Shao , Yang Feng

Cold-start problem is a fundamental challenge for recommendation tasks. The recent self-supervised learning (SSL) on Graph Neural Networks (GNNs) model, PT-GNN, pre-trains the GNN model to reconstruct the cold-start embeddings and has shown…

Information Retrieval · Computer Science 2022-05-24 Bowen Hao , Hongzhi Yin , Jing Zhang , Cuiping Li , Hong Chen

In previous studies, we introduced a neural network framework based on symmetric differential equations, along with one of its training methods. In this article, we present another training approach for this neural network. This method…

Neural and Evolutionary Computing · Computer Science 2025-02-18 Kun Jiang

Mixed precision training (MPT) is becoming a practical technique to improve the speed and energy efficiency of training deep neural networks by leveraging the fast hardware support for IEEE half-precision floating point that is available in…

Machine Learning · Computer Science 2019-10-29 Ruizhe Zhao , Brian Vogel , Tanvir Ahmed

We investigate the use of regularized Newton methods with adaptive norms for optimizing neural networks. This approach can be seen as a second-order counterpart of adaptive gradient methods, which we here show to be interpretable as…

Machine Learning · Computer Science 2020-09-29 Jonas Kohler , Leonard Adolphs , Aurelien Lucchi

Deep Neural Network guided Monte-Carlo Tree Search (DNN-MCTS) is a powerful class of AI algorithms. In DNN-MCTS, a Deep Neural Network model is trained collaboratively with a dynamic Monte-Carlo search tree to guide the agent towards…

Performance · Computer Science 2023-10-10 Yuan Meng , Qian Wang , Tianxin Zu , Viktor Prasanna

GNN prompting aims to adapt models across tasks and graphs without requiring extensive retraining. However, most existing graph prompt methods still require task-specific parameter updates and face the issue of generalizing across graphs,…

Machine Learning · Computer Science 2026-04-02 Yaqi Chen , Shixun Huang , Ryan Twemlow , Lei Wang , John Le , Sheng Wang , Willy Susilo , Jun Yan , Jun Shen

In this paper, a globally convergent trust region proximal gradient method is developed for composite multi-objective optimization problems where each objective function can be represented as the sum of a smooth function and a nonsmooth…

Optimization and Control · Mathematics 2024-10-28 Md Abu Talhamainuddin Ansary

This paper presents Domain-Specific Sub-network (DoSS). It uses a set of masks obtained through pruning to define a sub-network for each domain and finetunes the sub-network parameters on domain data. This performs very closely and…

Computation and Language · Computer Science 2022-10-19 Amr Hendy , Mohamed Abdelghaffar , Mohamed Afify , Ahmed Y. Tawfik

In molecular dynamics (MD), neural network (NN) potentials trained bottom-up on quantum mechanical data have seen tremendous success recently. Top-down approaches that learn NN potentials directly from experimental data have received less…

Chemical Physics · Physics 2021-11-29 Stephan Thaler , Julija Zavadlav

Incremental learning aims to overcome catastrophic forgetting when learning deep networks from sequential tasks. With impressive learning efficiency and performance, prompt-based methods adopt a fixed backbone to sequential tasks by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yu-Ming Tang , Yi-Xing Peng , Wei-Shi Zheng

Pre-training (PT) followed by fine-tuning (FT) is an effective method for training neural networks, and has led to significant performance improvements in many domains. PT can incorporate various design choices such as task and data…

Machine Learning · Computer Science 2021-11-03 Aniruddh Raghu , Jonathan Lorraine , Simon Kornblith , Matthew McDermott , David Duvenaud

Prompt tuning is a parameter-efficient way to deploy large-scale pre-trained models to downstream tasks by adding task-specific tokens. In terms of vision-language pre-trained (VLP) models, prompt tuning often requires a large number of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Qiong Wu , Shubin Huang , Yiyi Zhou , Pingyang Dai , Annan Shu , Guannan Jiang , Rongrong Ji

Two-trust-region subproblem (TTRS), which is the minimization of a general quadratic function over the intersection of two full-dimensional ellipsoids, has been the subject of several recent research. In this paper, to solve TTRS, a hybrid…

Optimization and Control · Mathematics 2018-07-20 Saeid Ansary Karbasy , Maziar Salahi

This paper describes a novel text-to-speech (TTS) technique based on deep convolutional neural networks (CNN), without use of any recurrent units. Recurrent neural networks (RNN) have become a standard technique to model sequential data…

Sound · Computer Science 2020-10-01 Hideyuki Tachibana , Katsuya Uenoyama , Shunsuke Aihara