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Panoptic segmentation of point clouds is a crucial task that enables autonomous vehicles to comprehend their vicinity using their highly accurate and reliable LiDAR sensors. Existing top-down approaches tackle this problem by either…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Kshitij Sirohi , Rohit Mohan , Daniel Büscher , Wolfram Burgard , Abhinav Valada

Generative models have recently undergone significant advancement due to the diffusion models. The success of these models can be often attributed to their use of guidance techniques, such as classifier or classifier-free guidance, which…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Gyeongnyeon Kim , Wooseok Jang , Gyuseong Lee , Susung Hong , Junyoung Seo , Seungryong Kim

LiDAR-camera fusion can enhance the performance of 3D object detection by utilizing complementary information between depth-aware LiDAR points and semantically rich images. Existing voxel-based methods face significant challenges when…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Ziying Song , Guoxin Zhang , Jun Xie , Lin Liu , Caiyan Jia , Shaoqing Xu , Zhepeng Wang

We present LayerDiffuse, an approach enabling large-scale pretrained latent diffusion models to generate transparent images. The method allows generation of single transparent images or of multiple transparent layers. The method learns a…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Lvmin Zhang , Maneesh Agrawala

Deep generative models have garnered significant attention in low-level vision tasks due to their generative capabilities. Among them, diffusion model-based solutions, characterized by a forward diffusion process and a reverse denoising…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Chunming He , Yuqi Shen , Chengyu Fang , Fengyang Xiao , Longxiang Tang , Yulun Zhang , Wangmeng Zuo , Zhenhua Guo , Xiu Li

Understanding the surrounding environment is fundamental in autonomous driving and robotic perception. Distinguishing between known classes and previously unseen objects is crucial in real-world environments, as done in Anomaly…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Simone Mosco , Daniel Fusaro , Alberto Pretto

Robust in-bed human pose estimation under blanket occlusion remains challenging due to the scarcity of reliable labeled training data for heavily covered poses. Existing approaches rely on multi-modal sensing or image-to-image translation…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Navid Aslankhani Khameneh , Marco Carletti , Cigdem Beyan

Efficient and current roadway geometry data collection is critical to transportation agencies in road planning, maintenance, design, and rehabilitation. Data collection methods are divided into land-based and aerial-based. Land-based…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Richard Boadu Antwi , Samuel Takyi , Kimollo Michael , Alican Karaer , Eren Erman Ozguven , Ren Moses , Maxim A. Dulebenets , Thobias Sando

Route planning for navigation under partial observability plays a crucial role in modern robotics and autonomous driving. Existing route planning approaches can be categorized into two main classes: traditional autoregressive and…

机器人学 · 计算机科学 2024-04-04 Gengyu Zhang , Hao Tang , Yan Yan

Image stitching from different captures often results in non-rectangular boundaries, which is often considered unappealing. To solve non-rectangular boundaries, current solutions involve cropping, which discards image content, inpainting,…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Tianhao Zhou , Haipeng Li , Ziyi Wang , Ao Luo , Chen-Lin Zhang , Jiajun Li , Bing Zeng , Shuaicheng Liu

Diffusion models showcase strong capabilities in image synthesis, being used in many computer vision tasks with great success. To this end, we propose to explore a new use case, namely to copy black-box classification models without having…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Vlad Hondru , Radu Tudor Ionescu

3D terrain models are essential in fields such as video game development and film production. Since surface color often correlates with terrain geometry, capturing this relationship is crucial to achieving realism. However, most existing…

图形学 · 计算机科学 2025-12-18 Kazuki Higo , Toshiki Kanai , Yuki Endo , Yoshihiro Kanamori

Reference-driven image completion, which restores missing regions in a target view using additional images, is particularly challenging when the target view differs significantly from the references. Existing generative methods rely solely…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Beibei Lin , Tingting Chen , Robby T. Tan

Deep learning models have achieved remarkable progress in precipitation prediction. However, they still face significant challenges in accurately capturing spatial details of radar images, particularly in regions of high precipitation…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Li Chaorong , Ling Xudong , Yang Qiang , Qin Fengqing , Huang Yuanyuan

Three-dimensional ultrasound enables real-time volumetric visualization of anatomical structures. Unlike traditional 2D ultrasound, 3D imaging reduces reliance on precise probe orientation, potentially making ultrasound more accessible to…

图像与视频处理 · 电气工程与系统科学 2026-05-05 Tristan S. W. Stevens , Oisín Nolan , Oudom Somphone , Jean-Luc Robert , Ruud J. G. van Sloun

Existing works on video frame interpolation (VFI) mostly employ deep neural networks that are trained by minimizing the L1, L2, or deep feature space distance (e.g. VGG loss) between their outputs and ground-truth frames. However, recent…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Duolikun Danier , Fan Zhang , David Bull

Video outpainting aims to adequately complete missing areas at the edges of video frames. Compared to image outpainting, it presents an additional challenge as the model should maintain the temporal consistency of the filled area. In this…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Fanda Fan , Chaoxu Guo , Litong Gong , Biao Wang , Tiezheng Ge , Yuning Jiang , Chunjie Luo , Jianfeng Zhan

We introduce PolyDiff, the first diffusion-based approach capable of directly generating realistic and diverse 3D polygonal meshes. In contrast to methods that use alternate 3D shape representations (e.g. implicit representations), our…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Antonio Alliegro , Yawar Siddiqui , Tatiana Tommasi , Matthias Nießner

In this paper, we propose a novel framework for solving high-definition video inverse problems using latent image diffusion models. Building on recent advancements in spatio-temporal optimization for video inverse problems using image…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Taesung Kwon , Jong Chul Ye

Diffusion models indirectly estimate the probability density over a data space, which can be used to study its structure. In this work, we show that geodesics can be computed in diffusion latent space, where the norm induced by the…

计算机视觉与模式识别 · 计算机科学 2025-05-08 Qingtao Yu , Jaskirat Singh , Zhaoyuan Yang , Peter Henry Tu , Jing Zhang , Hongdong Li , Richard Hartley , Dylan Campbell