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相关论文: L3DR: 3D-aware LiDAR Diffusion and Rectification

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On-board 3D object detection in autonomous vehicles often relies on geometry information captured by LiDAR devices. Albeit image features are typically preferred for detection, numerous approaches take only spatial data as input. Exploiting…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Alejandro Barrera , Carlos Guindel , Jorge Beltrán , Fernando García

State-of-the-art methods for large-scale driving-scene LiDAR segmentation often project the point clouds to 2D space and then process them via 2D convolution. Although this corporation shows the competitiveness in the point cloud, it…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Xinge Zhu , Hui Zhou , Tai Wang , Fangzhou Hong , Yuexin Ma , Wei Li , Hongsheng Li , Dahua Lin

LiDAR-based 3D object detection plays a crucial role in modern autonomous driving systems. LiDAR data often exhibit severe changes in properties across different observation ranges. In this paper, we explore cross-range adaptation for 3D…

计算机视觉与模式识别 · 计算机科学 2019-09-27 Ze Wang , Sihao Ding , Ying Li , Minming Zhao , Sohini Roychowdhury , Andreas Wallin , Guillermo Sapiro , Qiang Qiu

Dense 3D reconstruction has many applications in automated driving including automated annotation validation, multimodal data augmentation, providing ground truth annotations for systems lacking LiDAR, as well as enhancing auto-labeling…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Shihao Shen , Louis Kerofsky , Varun Ravi Kumar , Senthil Yogamani

LiDAR scene synthesis is an emerging solution to scarcity in 3D data for robotic tasks such as autonomous driving. Recent approaches employ diffusion or flow matching models to generate realistic scenes, but 3D data remains limited compared…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Nicolas Sereyjol-Garros , Ellington Kirby , Victor Besnier , Nermin Samet

We present 3DiffTection, a state-of-the-art method for 3D object detection from single images, leveraging features from a 3D-aware diffusion model. Annotating large-scale image data for 3D detection is resource-intensive and time-consuming.…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Chenfeng Xu , Huan Ling , Sanja Fidler , Or Litany

Generating high-quality and photorealistic 3D assets remains a longstanding challenge in 3D vision and computer graphics. Although state-of-the-art generative models, such as diffusion models, have made significant progress in 3D…

图形学 · 计算机科学 2025-06-19 Qingming Liu , Zhen Liu , Dinghuai Zhang , Kui Jia

While 2D object detection has improved significantly over the past, real world applications of computer vision often require an understanding of the 3D layout of a scene. Many recent approaches to 3D detection use LiDAR point clouds for…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Jihao Andreas Lin , Jakob Brünker , Daniel Fährmann

Recent advancements in radiance field rendering, exemplified by Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), have significantly progressed 3D modeling and reconstruction. The use of multiple 360-degree omnidirectional…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Shintaro Ito , Natsuki Takama , Toshiki Watanabe , Koichi Ito , Hwann-Tzong Chen , Takafumi Aoki

Designing de novo 3D molecules with desirable properties remains a fundamental challenge in drug discovery and molecular engineering. While diffusion models have demonstrated remarkable capabilities in generating high-quality 3D molecular…

机器学习 · 计算机科学 2026-01-15 Lianghong Chen , Dongkyu Eugene Kim , Mike Domaratzki , Pingzhao Hu

We introduce LaviGen, a framework that repurposes 3D generative models for 3D layout generation. Unlike previous methods that infer object layouts from textual descriptions, LaviGen operates directly in the native 3D space, formulating…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Haoran Feng , Yifan Niu , Zehuan Huang , Yang-Tian Sun , Chunchao Guo , Yuxin Peng , Lu Sheng

Recently, there has been a significant advancement in text-to-image diffusion models, leading to groundbreaking performance in 2D image generation. These advancements have been extended to 3D models, enabling the generation of novel 3D…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Jangho Park , Gihyun Kwon , Jong Chul Ye

Methods for out-of-distribution (OOD) detection that scale to 3D data are crucial components of any real-world clinical deep learning system. Classic denoising diffusion probabilistic models (DDPMs) have been recently proposed as a robust…

The inverse design of RNA three-dimensional (3D) structures is crucial for engineering functional RNAs in synthetic biology and therapeutics. While recent deep learning approaches have advanced this field, they are typically optimized and…

机器学习 · 计算机科学 2026-05-11 Tianmeng Hu , Yongzheng Cui , Biao Luo , Ke Li

LiDAR-based vision systems are integral for 3D object detection, which is crucial for autonomous navigation. However, they suffer from performance degradation in adverse weather conditions due to the quality deterioration of LiDAR point…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Xun Huang , Ziyu Xu , Hai Wu , Jinlong Wang , Qiming Xia , Yan Xia , Jonathan Li , Kyle Gao , Chenglu Wen , Cheng Wang

Qualifying the discrepancy between 3D geometric models, which could be represented with either point clouds or triangle meshes, is a pivotal issue with board applications. Existing methods mainly focus on directly establishing the…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Siyu Ren , Junhui Hou , Xiaodong Chen , Hongkai Xiong , Wenping Wang

Text-guided diffusion models have shown superior performance in image/video generation and editing. While few explorations have been performed in 3D scenarios. In this paper, we discuss three fundamental and interesting problems on this…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Gang Li , Heliang Zheng , Chaoyue Wang , Chang Li , Changwen Zheng , Dacheng Tao

We present PI3DETR, an end-to-end framework that directly predicts 3D parametric curve instances from raw point clouds, avoiding the intermediate representations and multi-stage processing common in prior work. Extending 3DETR, our model…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Fabio F. Oberweger , Michael Schwingshackl , Vanessa Staderini

Recovering ghost-free High Dynamic Range (HDR) images from multiple Low Dynamic Range (LDR) images becomes challenging when the LDR images exhibit saturation and significant motion. Recent Diffusion Models (DMs) have been introduced in HDR…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Tao Hu , Qingsen Yan , Yuankai Qi , Yanning Zhang

Transforming two-dimensional (2D) images into three-dimensional (3D) volumes is a well-known yet challenging problem for the computer vision community. In the medical domain, a few previous studies attempted to convert two or more input…

图像与视频处理 · 电气工程与系统科学 2024-04-22 Pouria Rouzrokh , Bardia Khosravi , Shahriar Faghani , Kellen L. Mulford , Michael J. Taunton , Bradley J. Erickson , Cody C. Wyles