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This study introduces a novel transformer model optimized for large-scale point cloud processing in scientific domains such as high-energy physics (HEP) and astrophysics. Addressing the limitations of graph neural networks and standard…

机器学习 · 计算机科学 2024-06-06 Siqi Miao , Zhiyuan Lu , Mia Liu , Javier Duarte , Pan Li

Most real-world 3D measurements from depth sensors are incomplete, and to address this issue the point cloud completion task aims to predict the complete shapes of objects from partial observations. Previous works often adapt an…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Junming Zhang , Haomeng Zhang , Ram Vasudevan , Matthew Johnson-Roberson

We introduce EELBERT, an approach for compression of transformer-based models (e.g., BERT), with minimal impact on the accuracy of downstream tasks. This is achieved by replacing the input embedding layer of the model with dynamic, i.e.…

计算与语言 · 计算机科学 2023-11-01 Gabrielle Cohn , Rishika Agarwal , Deepanshu Gupta , Siddharth Patwardhan

We propose a data-driven mean-curvature solver for the level-set method. This work is the natural extension to $\mathbb{R}^3$ of our two-dimensional strategy in [DOI: 10.1007/s10915-022-01952-2][1] and the hybrid inference system of [DOI:…

机器学习 · 计算机科学 2022-12-12 Luis Ángel Larios-Cárdenas , Frédéric Gibou

Processing 3D data efficiently has always been a challenge. Spatial operations on large-scale point clouds, stored as sparse data, require extra cost. Attracted by the success of transformers, researchers are using multi-head attention for…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Mahdi Saleh , Yige Wang , Nassir Navab , Benjamin Busam , Federico Tombari

In this paper, we introduce the prior knowledge, multi-scale structure, into self-attention modules. We propose a Multi-Scale Transformer which uses multi-scale multi-head self-attention to capture features from different scales. Based on…

计算与语言 · 计算机科学 2019-12-03 Qipeng Guo , Xipeng Qiu , Pengfei Liu , Xiangyang Xue , Zheng Zhang

Recent advancements in learned image compression (LIC) methods have demonstrated superior performance over traditional hand-crafted codecs. These learning-based methods often employ convolutional neural networks (CNNs) or Transformer-based…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Hamidreza Soltani , Erfan Ghasemi

We show that Transformer encoder architectures can be sped up, with limited accuracy costs, by replacing the self-attention sublayers with simple linear transformations that "mix" input tokens. These linear mixers, along with standard…

计算与语言 · 计算机科学 2022-05-30 James Lee-Thorp , Joshua Ainslie , Ilya Eckstein , Santiago Ontanon

Transformers have emerged as a powerful neural network architecture capable of tackling a wide range of learning tasks. In this work, we provide a theoretical analysis of their ability to automatically extract structure from data in an…

机器学习 · 统计学 2025-10-29 Rodrigo Maulen-Soto , Pierre Marion , Claire Boyer

Patch-based image tokenization ignores the morphology of the visual world, limiting effective and efficient learning of image understanding. Inspired by subword tokenization, we introduce subobject-level adaptive token segmentation and…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Delong Chen , Samuel Cahyawijaya , Jianfeng Liu , Baoyuan Wang , Pascale Fung

In this paper, we contend that the objective of representation learning is to compress and transform the distribution of the data, say sets of tokens, towards a mixture of low-dimensional Gaussian distributions supported on incoherent…

机器学习 · 计算机科学 2023-06-05 Yaodong Yu , Sam Buchanan , Druv Pai , Tianzhe Chu , Ziyang Wu , Shengbang Tong , Benjamin D. Haeffele , Yi Ma

As Vision Transformers (ViTs) are increasingly adopted in sensitive vision applications, there is a growing demand for improved interpretability. This has led to efforts to forward-align these models with carefully annotated abstract,…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Sanchit Sinha , Guangzhi Xiong , Aidong Zhang

Human intelligence relies in part on our brains' ability to create abstract mental models that succinctly capture the hidden blueprint of our reality. Such abstract world models notably allow us to rapidly navigate novel situations by…

人工智能 · 计算机科学 2023-12-12 Quentin RV. Ferry , Joshua Ching , Takashi Kawai

This paper investigates fake news detection as a downstream evaluation of Transformer representations, benchmarking encoder-only and decoder-only pre-trained models (BERT, GPT-2, Transformer-XL) as frozen embedders paired with lightweight…

计算与语言 · 计算机科学 2025-12-01 Sumit Mamtani , Abhijeet Bhure

Majority of the current dimensionality reduction or retrieval techniques rely on embedding the learned feature representations onto a computable metric space. Once the learned features are mapped, a distance metric aids the bridging of gaps…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Muhammad Kamran Janjua , Shah Nawaz , Alessandro Calefati , Ignazio Gallo

Transformer-based models achieve favorable performance in artistic style transfer recently thanks to its global receptive field and powerful multi-head/layer attention operations. Nevertheless, the over-paramerized multi-layer structure…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Hao Tang , Songhua Liu , Tianwei Lin , Shaoli Huang , Fu Li , Dongliang He , Xinchao Wang

Since its inception in "Attention Is All You Need", transformer architecture has led to revolutionary advancements in NLP. The attention layer within the transformer admits a sequence of input tokens $X$ and makes them interact through…

机器学习 · 计算机科学 2024-02-23 Davoud Ataee Tarzanagh , Yingcong Li , Christos Thrampoulidis , Samet Oymak

Metric-based meta-learning is one of the de facto standards in few-shot learning. It composes of representation learning and metrics calculation designs. Previous works construct class representations in different ways, varying from mean…

机器学习 · 计算机科学 2022-11-11 Ning Ding , Yulin Chen , Ganqu Cui , Xiaobin Wang , Hai-Tao Zheng , Zhiyuan Liu , Pengjun Xie

Real-world problems often involve complex and unstructured sets of measurements, which occur when sensors are sparsely placed in either space or time. Being able to model this irregular spatiotemporal data and extract meaningful forecasts…

机器学习 · 计算机科学 2024-04-17 Arnaud Pannatier , Kyle Matoba , François Fleuret

Transformer-based models excel in speech recognition. Existing efforts to optimize Transformer inference, typically for long-context applications, center on simplifying attention score calculations. However, streaming speech recognition…

机器学习 · 计算机科学 2024-01-22 Yang Li , Liangzhen Lai , Yuan Shangguan , Forrest N. Iandola , Zhaoheng Ni , Ernie Chang , Yangyang Shi , Vikas Chandra