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The advancements in Large Language Models (LLMs) have been hindered by their substantial sizes, which necessitates LLM compression methods for practical deployment. Singular Value Decomposition (SVD) offers a promising solution for LLM…

计算与语言 · 计算机科学 2025-03-18 Xin Wang , Yu Zheng , Zhongwei Wan , Mi Zhang

Personalized text-to-image models such as DreamBooth require fine-tuning large-scale diffusion backbones, resulting in significant storage overhead when maintaining many subject-specific models. We present Delta-SVD, a post-hoc,…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Tangyuan Zhang , Shangyu Chen , Qixiang Chen , Jianfei Cai

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…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Yang Zhao , Yuxiang Zhang , Yanni Dong , Bo Du

While Convolutional Neural Networks (CNNs) excel at learning complex latent-space representations, their over-parameterization can lead to overfitting and reduced performance, particularly with limited data. This, alongside their high…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Manish Sharma , Jamison Heard , Eli Saber , Panos P. Markopoulos

Zero-shot skeleton-based action recognition (ZSAR) aims to recognize action classes without any training skeletons from those classes, relying instead on auxiliary semantics from text. Existing approaches frequently depend on explicit…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Soroush Oraki , Feng Ding , Jie Liang

In this work, we study self-supervised representation learning for 3D skeleton-based action recognition. We extend Bootstrap Your Own Latent (BYOL) for representation learning on skeleton sequence data and propose a new data augmentation…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Olivier Moliner , Sangxia Huang , Kalle Åström

In tensor completion tasks, the traditional low-rank tensor decomposition models suffer from the laborious model selection problem due to their high model sensitivity. In particular, for tensor ring (TR) decomposition, the number of model…

机器学习 · 计算机科学 2018-12-03 Longhao Yuan , Chao Li , Danilo Mandic , Jianting Cao , Qibin Zhao

Tensor singular value decomposition (t-SVD) is a promising tool for multi-dimensional image representation, which decomposes a multi-dimensional image into a latent tensor and an accompanying transform matrix. However, two critical…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Yiming Zeng , Xi-Le Zhao , Wei-Hao Wu , Teng-Yu Ji , Chao Wang

Video Object Segmentation (VOS) has emerged as an increasingly important problem with availability of larger datasets and more complex and realistic settings, which involve long videos with global motion (e.g, in egocentric settings),…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Raghav Goyal , Wan-Cyuan Fan , Mennatullah Siam , Leonid Sigal

This paper evaluates Tucker decomposition and Singular Value Decomposition (SVD) for compressing neuroimaging data. Tucker decomposition preserves multi-dimensional relationships, achieving superior reconstruction fidelity and perceptual…

图像与视频处理 · 电气工程与系统科学 2025-11-25 Jaeho Kim , Daniel David , Ana Vizitiv

Recently, numerous algorithms have been developed to tackle the problem of light field super-resolution (LFSR), i.e., super-resolving low-resolution light fields to gain high-resolution views. Despite delivering encouraging results, these…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Shunzhou Wang , Tianfei Zhou , Yao Lu , Huijun Di

An important task when processing sensor data is to distinguish relevant from irrelevant data. This paper describes a method for an iterative singular value decomposition that maintains a model of the background via singular vectors…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Günther Reitberger , Tomas Sauer

This paper focus on recovering multi-dimensional data called tensor from randomly corrupted incomplete observation. Inspired by reweighted $l_1$ norm minimization for sparsity enhancement, this paper proposes a reweighted singular value…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Baburaj M. , Sudhish N. George

Higher-order tensor decompositions are analogous to the familiar Singular Value Decomposition (SVD), but they transcend the limitations of matrices (second-order tensors). SVD is a powerful tool that has achieved impressive results in…

机器学习 · 计算机科学 2007-11-14 Peter D. Turney

Low-rank Deconvolution (LRD) has appeared as a new multi-dimensional representation model that enjoys important efficiency and flexibility properties. In this work we ask ourselves if this analytical model can compete against Deep Learning…

计算机视觉与模式识别 · 计算机科学 2024-06-18 David Reixach , Josep Ramon Morros

Given multiple time series data, how can we efficiently find latent patterns in an arbitrary time range? Singular value decomposition (SVD) is a crucial tool to discover hidden factors in multiple time series data, and has been used in many…

数值分析 · 计算机科学 2018-12-21 Jun-Gi Jang , Dongjin Choi , Jinhong Jung , U Kang

In recent years, there has been renewed interest in developing methods for skeleton-based human action recognition. A skeleton sequence can be naturally represented as a high-order tensor time series. In this paper, we model and analyze…

计算机视觉与模式识别 · 计算机科学 2017-01-17 Wenwen Ding , Kai Liu

In this paper, we introduce Nested Low-Rank Adaptation (NoRA), a novel approach to parameter-efficient fine-tuning that extends the capabilities of Low-Rank Adaptation (LoRA) techniques. Vanilla LoRA overlooks pre-trained weight inheritance…

机器学习 · 计算机科学 2024-08-28 Cheng Lin , Lujun Li , Dezhi Li , Jie Zou , Wei Xue , Yike Guo

Capturing the dependencies between joints is critical in skeleton-based action recognition task. Transformer shows great potential to model the correlation of important joints. However, the existing Transformer-based methods cannot capture…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Helei Qiu , Biao Hou , Bo Ren , Xiaohua Zhang

To analyze the abundance of multidimensional data, tensor-based frameworks have been developed. Traditionally, the matrix singular value decomposition (SVD) is used to extract the most dominant features from a matrix containing the…

机器学习 · 计算机科学 2021-11-02 Katherine Keegan , Tanvi Vishwanath , Yihua Xu