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This work proposes a general-purpose, fully-convolutional network architecture for efficiently processing large-scale 3D data. One striking characteristic of our approach is its ability to process unorganized 3D representations such as…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Dario Rethage , Johanna Wald , Jürgen Sturm , Nassir Navab , Federico Tombari

The dominance of large decoder-only language models has overshadowed encoder-decoder architectures, despite their fundamental efficiency advantages in sequence processing. For small language models (SLMs) - those with 1 billion parameters…

Computation and Language · Computer Science 2025-01-31 Mohamed Elfeki , Rui Liu , Chad Voegele

Representing 3D shape in deep learning frameworks in an accurate, efficient and compact manner still remains an open challenge. Most existing work addresses this issue by employing voxel-based representations. While these approaches benefit…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Dominic Jack , Jhony K. Pontes , Sridha Sridharan , Clinton Fookes , Sareh Shirazi , Frederic Maire , Anders Eriksson

Encoding information from 2D views of an object into a 3D representation is crucial for generalized 3D feature extraction. Such features can then enable 3D reconstruction, 3D generation, and other applications. We propose GOEmbed (Gradient…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Animesh Karnewar , Roman Shapovalov , Tom Monnier , Andrea Vedaldi , Niloy J. Mitra , David Novotny

The multi-line LiDAR is widely used in autonomous vehicles, so point cloud-based 3D detectors are essential for autonomous driving. Extracting rich multi-scale features is crucial for point cloud-based 3D detectors in autonomous driving due…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Xusheng Li , Chengliang Wang , Shumao Wang , Zhuo Zeng , Ji Liu

The exponential growth of Large Multimodal Models (LMMs) has driven advancements in cross-modal reasoning but at significant computational costs. In this work, we focus on visual language models. We highlight the redundancy and inefficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yasmine Omri , Parth Shroff , Thierry Tambe

We present LT3SD, a novel latent diffusion model for large-scale 3D scene generation. Recent advances in diffusion models have shown impressive results in 3D object generation, but are limited in spatial extent and quality when extended to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Quan Meng , Lei Li , Matthias Nießner , Angela Dai

Vision encoders serve as the cornerstone of multimodal understanding. Single-encoder architectures like CLIP exhibit inherent constraints in generalizing across diverse multimodal tasks, while recent multi-encoder fusion methods introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Yuchen Liu , Yaoming Wang , Bowen Shi , Xiaopeng Zhang , Wenrui Dai , Chenglin Li , Hongkai Xiong , Qi Tian

Despite recent progress in 3D self-supervised learning, collecting large-scale 3D scene scans remains expensive and labor-intensive. In this work, we investigate whether 3D representations can be learned from unlabeled videos recorded…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Ryousuke Yamada , Kohsuke Ide , Yoshihiro Fukuhara , Hirokatsu Kataoka , Gilles Puy , Andrei Bursuc , Yuki M. Asano

Utilizing patch-based transformers for unstructured geometric data such as polygon meshes presents significant challenges, primarily due to the absence of a canonical ordering and variations in input sizes. Prior approaches to handling 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Mohammad Farazi , Yalin Wang

Light-based 3D printing, which relies on photocurable resins, has shown the capability to produce complex geometries with high resolution and fidelity. Tomographic Volumetric Additive Manufacturing (TVAM) employs a digital micromirror…

Optics · Physics 2025-06-04 Maria Isabel Álvarez-Castaño , Ye Pu , Christophe Moser

Open-set 3D macromolecule detection in cryogenic electron tomography eliminates the need for target-specific model retraining. However, strict VRAM constraints prohibit processing an entire 3D tomogram, forcing current methods to rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Ming-Yang Ho , Alberto Bartesaghi

3D object detection models that exploit both LiDAR and camera sensor features are top performers in large-scale autonomous driving benchmarks. A transformer is a popular network architecture used for this task, in which so-called object…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Mathijs R. van Geerenstein , Felicia Ruppel , Klaus Dietmayer , Dariu M. Gavrila

Vision-language models (VLMs) have shown promise in 2D medical image analysis, but extending them to 3D remains challenging due to the high computational demands of volumetric data and the difficulty of aligning 3D spatial features with…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Yu Xin , Gorkem Can Ates , Kuang Gong , Wei Shao

We present Light3R-SfM, a feed-forward, end-to-end learnable framework for efficient large-scale Structure-from-Motion (SfM) from unconstrained image collections. Unlike existing SfM solutions that rely on costly matching and global…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Sven Elflein , Qunjie Zhou , Sérgio Agostinho , Laura Leal-Taixé

While 3D point clouds are widely used in vision applications, their irregular and sparse nature make them challenging to handle. In response, numerous encoding approaches have been proposed to capture the rich semantic information of point…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Donghyun Kim , Chanyoung Kim , Hyunah Ko , Seong Jae Hwang

3D Transformers have achieved great success in point cloud understanding and representation. However, there is still considerable scope for further development in effective and efficient Transformers for large-scale LiDAR point cloud scene…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Dening Lu , Jun Zhou , Kyle Gao , Linlin Xu , Jonathan Li

The advent of real-time large multimodal models (LMMs) like GPT-4o has sparked considerable interest in efficient LMMs. LMM frameworks typically encode visual inputs into vision tokens (continuous representations) and integrate them and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Shaolei Zhang , Qingkai Fang , Zhe Yang , Yang Feng

The features used in many image analysis-based applications are frequently of very high dimension. Feature extraction offers several advantages in high-dimensional cases, and many recent studies have used multi-task feature extraction…

Machine Learning · Statistics 2019-04-09 Yong Luo , Yonggang Wen , Dacheng Tao , Jie Gui , Chao Xu

Recent advances in multimodal large language models (LLMs) have enabled unified reasoning across images, audio, and video, but extending such capability to brain imaging remains largely unexplored. Bridging this gap is essential to link…

Computation and Language · Computer Science 2026-05-15 Yuxiang Wei , Yanteng Zhang , Xi Xiao , Chengxuan Qian , Tianyang Wang , Vince D. Calhoun