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Transformer models are permutation equivariant. To supply the order and type information of the input tokens, position and segment embeddings are usually added to the input. Recent works proposed variations of positional encodings with…

计算与语言 · 计算机科学 2021-11-04 Pu-Chin Chen , Henry Tsai , Srinadh Bhojanapalli , Hyung Won Chung , Yin-Wen Chang , Chun-Sung Ferng

Parameter-Efficient Fine-Tuning (PEFT) methods have become crucial for rapidly adapting large language models (LLMs) to downstream tasks. Prefix-Tuning, an early and effective PEFT technique, demonstrated the ability to achieve performance…

计算与语言 · 计算机科学 2026-04-21 Haonan Wang , Brian Chen , Siquan Li , Xinhe Liang , Hwee Kuan Lee , Kenji Kawaguchi , Tianyang Hu

Parameter-efficient fine-tuning (PEFT) of pre-trained language models (PLMs) has emerged as a highly successful approach, with training only a small number of parameters without sacrificing performance and becoming the de-facto learning…

计算与语言 · 计算机科学 2023-10-20 Baohao Liao , Shaomu Tan , Christof Monz

Recent years have witnessed the growth of point cloud based applications because of its realistic and fine-grained representation of 3D objects and scenes. However, it is a challenging problem to compress sparse, unstructured, and…

图像与视频处理 · 电气工程与系统科学 2020-11-10 Jianqiang Wang , Dandan Ding , Zhu Li , Zhan Ma

In the realm of parameter-efficient fine-tuning (PEFT) methods, while options like LoRA are available, there is a persistent demand in the industry for a PEFT approach that excels in both efficiency and performance within the context of…

计算与语言 · 计算机科学 2025-02-04 Zequan Liu , Yi Zhao , Ming Tan , Wei Zhu , Aaron Xuxiang Tian

Recognizing and localizing objects in the 3D space is a crucial ability for an AI agent to perceive its surrounding environment. While significant progress has been achieved with expensive LiDAR point clouds, it poses a great challenge for…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Li Wang , Li Zhang , Yi Zhu , Zhi Zhang , Tong He , Mu Li , Xiangyang Xue

Transfer learning based on full fine-tuning (FFT) of the pre-trained encoder and task-specific decoder becomes increasingly complex as deep models grow exponentially. Parameter efficient fine-tuning (PEFT) approaches using adapters…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Hayeon Jo , Hyesong Choi , Minhee Cho , Dongbo Min

Parameter Efficient Fine-Tuning (PEFT) methods have emerged as effective and promising approaches for fine-tuning pre-trained language models. Compared with Full parameter Fine-Tuning (FFT), PEFT achieved comparable task performance with a…

机器学习 · 计算机科学 2025-06-10 Tongzhou Yu , Zhuhao Zhang , Guanghui Zhu , Shen Jiang , Meikang Qiu , Yihua Huang

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

Morphology-aware policy learning is a means of enhancing policy sample efficiency by aggregating data from multiple agents. These types of policies have previously been shown to help generalize over dynamic, kinematic, and limb…

Pre-trained large-scale models have exhibited remarkable efficacy in computer vision, particularly for 2D image analysis. However, when it comes to 3D point clouds, the constrained accessibility of data, in contrast to the vast repositories…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Mengke Li , Da Li , Guoqing Yang , Yiu-ming Cheung , Hui Huang

Foundation models have significantly advanced medical image analysis through the pre-train fine-tune paradigm. Among various fine-tuning algorithms, Parameter-Efficient Fine-Tuning (PEFT) is increasingly utilized for knowledge transfer…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Raman Dutt , Linus Ericsson , Pedro Sanchez , Sotirios A. Tsaftaris , Timothy Hospedales

With the continuous growth in the number of parameters of transformer-based pretrained language models (PLMs), particularly the emergence of large language models (LLMs) with billions of parameters, many natural language processing (NLP)…

计算与语言 · 计算机科学 2023-12-20 Lingling Xu , Haoran Xie , Si-Zhao Joe Qin , Xiaohui Tao , Fu Lee Wang

End-to-end trained per-point embeddings are an essential ingredient of any state-of-the-art 3D point cloud processing such as detection or alignment. Methods like PointNet, or the more recent point cloud transformer -- and its variants --…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Jianqiao Zheng , Xueqian Li , Sameera Ramasinghe , Simon Lucey

Human pose estimation has seen widespread use of transformer models in recent years. Pose transformers benefit from the self-attention map, which captures the correlation between human joint tokens and the image. However, training such…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Feixiang Ren

To better address challenging issues of the irregularity and inhomogeneity inherently present in 3D point clouds, researchers have been shifting their focus from the design of hand-craft point feature towards the learning of 3D point…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Xiang Li , Mingyang Wang , Congcong Wen , Lingjing Wang , Nan Zhou , Yi Fang

Recent advancements in large language models have demonstrated enhanced capabilities in visual reasoning tasks by employing additional encoders for aligning different modalities. While the Q-Former has been widely used as a general encoder…

计算与语言 · 计算机科学 2024-10-15 Sungkyung Kim , Adam Lee , Junyoung Park , Andrew Chung , Jusang Oh , Jay-Yoon Lee

Transformer-based large pre-trained models have shown remarkable generalization ability, and various parameter-efficient fine-tuning (PEFT) methods have been proposed to customize these models on downstream tasks with minimal computational…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Zichen Miao , Wei Chen , Qiang Qiu

DEtection TRansformer (DETR) started a trend that uses a group of learnable queries for unified visual perception. This work begins by applying this appealing paradigm to LiDAR-based point cloud segmentation and obtains a simple yet…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Zeqi Xiao , Wenwei Zhang , Tai Wang , Chen Change Loy , Dahua Lin , Jiangmiao Pang

With the increased availability of 3D scanning technology, point clouds are moving into the focus of computer vision as a rich representation of everyday scenes. However, they are hard to handle for machine learning algorithms due to their…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Sergey Prokudin , Christoph Lassner , Javier Romero