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Fine-tuning large-scale pre-trained models is prohibitively expensive in terms of computation and memory costs. Low-Rank Adaptation (LoRA), a popular Parameter-Efficient Fine-Tuning (PEFT) method, offers an efficient solution by optimizing…

Machine Learning · Computer Science 2025-05-27 Tao Li , Zhengbao He , Yujun Li , Yasheng Wang , Lifeng Shang , Xiaolin Huang

Decentralization is a promising method of scaling up parallel machine learning systems. In this paper, we provide a tight lower bound on the iteration complexity for such methods in a stochastic non-convex setting. Our lower bound reveals a…

Machine Learning · Computer Science 2022-01-31 Yucheng Lu , Christopher De Sa

We study the problem of continual test-time adaption where the goal is to adapt a source pre-trained model to a sequence of unlabelled target domains at test time. Existing methods on test-time training suffer from several limitations: (1)…

Machine Learning · Computer Science 2024-10-03 Kien X. Nguyen , Fengchun Qiao , Xi Peng

Deep learning increasingly relies on massive data with substantial storage, annotation, and training costs. To reduce costs, coreset selection finds a representative subset of data to train models while ideally performing on par with the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Brent A. Griffin , Jacob Marks , Jason J. Corso

Depth completion, which aims to generate high-quality dense depth maps from sparse depth maps, has attracted increasing attention in recent years. Previous work usually employs RGB images as guidance, and introduces iterative spatial…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Xinglong Sun , Jean Ponce , Yu-Xiong Wang

We introduce ProLoRA, enabling zero-shot adaptation of parameter-efficient fine-tuning in text-to-image diffusion models. ProLoRA transfers pre-trained low-rank adjustments (e.g., LoRA) from a source to a target model without additional…

Artificial Intelligence · Computer Science 2025-06-06 Farzad Farhadzadeh , Debasmit Das , Shubhankar Borse , Fatih Porikli

Large pretrained Transformer language models have been shown to exhibit zero-shot generalization, i.e. they can perform a wide variety of tasks that they were not explicitly trained on. However, the architectures and pretraining objectives…

Computation and Language · Computer Science 2022-04-13 Thomas Wang , Adam Roberts , Daniel Hesslow , Teven Le Scao , Hyung Won Chung , Iz Beltagy , Julien Launay , Colin Raffel

Deep neural networks are likely to fail when the test data is corrupted in real-world deployment (e.g., blur, weather, etc.). Test-time optimization is an effective way that adapts models to generalize to corrupted data during testing,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Chenyu Yi , Siyuan Yang , Yufei Wang , Haoliang Li , Yap-Peng Tan , Alex C. Kot

Modern cameras with large apertures often suffer from a shallow depth of field, resulting in blurry images of objects outside the focal plane. This limitation is particularly problematic for fixed-focus cameras, such as those used in smart…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Xinge Yang , Chuong Nguyen , Wenbin Wang , Kaizhang Kang , Wolfgang Heidrich , Xiaoxing Li

Consumer-level depth cameras and depth sensors embedded in mobile devices enable numerous applications, such as AR games and face identification. However, the quality of the captured depth is sometimes insufficient for 3D reconstruction,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Akhmedkhan Shabanov , Ilya Krotov , Nikolay Chinaev , Vsevolod Poletaev , Sergei Kozlukov , Igor Pasechnik , Bulat Yakupov , Artsiom Sanakoyeu , Vadim Lebedev , Dmitry Ulyanov

Compressive sensing is a method to recover the original image from undersampled measurements. In order to overcome the ill-posedness of this inverse problem, image priors are used such as sparsity in the wavelet domain, minimum…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Magauiya Zhussip , Shakarim Soltanayev , Se Young Chun

In dense retrieval, deep encoders provide embeddings for both inputs and targets, and the softmax function is used to parameterize a distribution over a large number of candidate targets (e.g., textual passages for information retrieval).…

Machine Learning · Computer Science 2024-09-04 Nicholas Monath , Will Grathwohl , Michael Boratko , Rob Fergus , Andrew McCallum , Manzil Zaheer

Deep learning-based diagnostic systems have demonstrated potential in skin disease diagnosis. However, their performance can easily degrade on test domains due to distribution shifts caused by input-level corruptions, such as imaging…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 Ming Hu , Siyuan Yan , Peng Xia , Feilong Tang , Wenxue Li , Peibo Duan , Lin Zhang , Zongyuan Ge

Accurate 3D scene reconstruction is essential for numerous medical tasks. Given the challenges in obtaining ground truth data, there has been an increasing focus on self-supervised learning (SSL) for endoscopic depth estimation as a basis…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Beilei Cui , Long Bai , Mobarakol Islam , An Wang , Zhiqi Ma , Yiming Huang , Feng Li , Zhen Chen , Zhongliang Jiang , Nassir Navab , Hongliang Ren

Depth completion aims to recover dense depth maps from sparse depth measurements. It is of increasing importance for autonomous driving and draws increasing attention from the vision community. Most of existing methods directly train a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Yan Xu , Xinge Zhu , Jianping Shi , Guofeng Zhang , Hujun Bao , Hongsheng Li

Test-time alignment (TTA) aims to adapt models to specific rewards during inference. However, existing methods tend to either under-optimise or over-optimise (reward hack) the target reward function. We propose Null-Text Test-Time Alignment…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Taehoon Kim , Henry Gouk , Timothy Hospedales

Most change detection models based on vision transformers currently follow a "pretraining then fine-tuning" strategy. This involves initializing the model weights using large scale classification datasets, which can be either natural images…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yang Zhao , Yuxiang Zhang , Yanni Dong , Bo Du

Adapting pre-trained models to open classes is a challenging problem in machine learning. Vision-language models fully explore the knowledge of text modality, demonstrating strong zero-shot recognition performance, which is naturally suited…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Zhengqing Gao , Xiang Ao , Xu-Yao Zhang , Cheng-Lin Liu

Depth prediction is a critical problem in robotics applications especially autonomous driving. Generally, depth prediction based on binocular stereo matching and fusion of monocular image and laser point cloud are two mainstream methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Guancheng Chen , Junli Lin , Huabiao Qin

Beam search is a desirable choice of test-time decoding algorithm for neural sequence models because it potentially avoids search errors made by simpler greedy methods. However, typical cross entropy training procedures for these models do…

Machine Learning · Computer Science 2017-10-10 Kartik Goyal , Graham Neubig , Chris Dyer , Taylor Berg-Kirkpatrick