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Vision Foundation Models (VFMs) have become a de facto choice for many downstream vision tasks, like image classification, image segmentation, and object localization. However, they can also provide significant utility for downstream 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Johannes Spoecklberger , Wei Lin , Pedro Hermosilla , Sivan Doveh , Horst Possegger , M. Jehanzeb Mirza

LIDAR semantic segmentation, which assigns a semantic label to each 3D point measured by the LIDAR, is becoming an essential task for many robotic applications such as autonomous driving. Fast and efficient semantic segmentation methods are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Iñigo Alonso , Luis Riazuelo , Luis Montesano , Ana C. Murillo

In this paper we introduce a novel way to predict semantic information from sparse, single-shot LiDAR measurements in the context of autonomous driving. In particular, we fuse learned features from complementary representations. The…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Frank Bieder , Maximilian Link , Simon Romanski , Haohao Hu , Christoph Stiller

Robust road segmentation is a key challenge in self-driving research. Though many image-based methods have been studied and high performances in dataset evaluations have been reported, developing robust and reliable road segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Huafeng Liu , Yazhou Yao , Zeren Sun , Xiangrui Li , Ke Jia , Zhenmin Tang

Learning to reliably perceive and understand the scene is an integral enabler for robots to operate in the real-world. This problem is inherently challenging due to the multitude of object types as well as appearance changes caused by…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Abhinav Valada , Rohit Mohan , Wolfram Burgard

Recently, large-scale pre-trained models such as Segment-Anything Model (SAM) and Contrastive Language-Image Pre-training (CLIP) have demonstrated remarkable success and revolutionized the field of computer vision. These foundation vision…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Shichao Dong , Fayao Liu , Guosheng Lin

Many existing approaches for 3D point cloud semantic segmentation are fully supervised. These fully supervised approaches heavily rely on large amounts of labeled training data that are difficult to obtain and cannot segment new classes…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Na Zhao , Tat-Seng Chua , Gim Hee Lee

We tackle the problem of object-centric learning on point clouds, which is crucial for high-level relational reasoning and scalable machine intelligence. In particular, we introduce a framework, SPAIR3D, to factorize a 3D point cloud into a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Tianyu Wang , Miaomiao Liu , Kee Siong Ng

Traditional 3D segmentation methods can only recognize a fixed range of classes that appear in the training set, which limits their application in real-world scenarios due to the lack of generalization ability. Large-scale visual-language…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Yuanbin Wang , Shaofei Huang , Yulu Gao , Zhen Wang , Rui Wang , Kehua Sheng , Bo Zhang , Si Liu

3D instance segmentation methods typically rely on high-quality point clouds or posed RGB-D scans, requiring complex multi-stage processing pipelines, and are highly sensitive to reconstruction noise. While recent feed-forward transformers…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Jinyuan Qu , Hongyang Li , Lei Zhang

Understanding and interpreting a 3d environment is a key challenge for autonomous vehicles. Semantic segmentation of 3d point clouds combines 3d information with semantics and thereby provides a valuable contribution to this task. In many…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Fabian Duerr , Mario Pfaller , Hendrik Weigel , Juergen Beyerer

General scene understanding for robotics requires flexible semantic representation, so that novel objects and structures which may not have been known at training time can be identified, segmented and grouped. We present an algorithm which…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Kirill Mazur , Edgar Sucar , Andrew J. Davison

Semantic segmentation has made striking progress due to the success of deep convolutional neural networks. Considering the demands of autonomous driving, real-time semantic segmentation has become a research hotspot these years. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Lei Sun , Kailun Yang , Xinxin Hu , Weijian Hu , Kaiwei Wang

Object parsing -- the task of decomposing an object into its semantic parts -- has traditionally been formulated as a category-level segmentation problem. Consequently, when there are multiple objects in an image, current methods cannot…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Qizhu Li , Anurag Arnab , Philip H. S. Torr

Instance segmentation is a computer vision task where separate objects in an image are detected and segmented. State-of-the-art deep neural network models require large amounts of labeled data in order to perform well in this task. Making…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Tuomas Sormunen , Arttu Lämsä , Miguel Bordallo Lopez

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes. This paper presents ContextSeg - a simple yet highly effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jiawei Wang , Changjian Li

Panoptic Segmentation aims to provide an understanding of background (stuff) and instances of objects (things) at a pixel level. It combines the separate tasks of semantic segmentation (pixel level classification) and instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Sumanth Chennupati , Venkatraman Narayanan , Ganesh Sistu , Senthil Yogamani , Samir A Rawashdeh

Semantic scene understanding is crucial for robotics and computer vision applications. In autonomous driving, 3D semantic segmentation plays an important role for enabling safe navigation. Despite significant advances in the field, the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Lucas Nunes , Rodrigo Marcuzzi , Jens Behley , Cyrill Stachniss

We propose a novel fast and robust 3D point clouds segmentation framework via coupled feature selection, named 3DCFS, that jointly performs semantic and instance segmentation. Inspired by the human scene perception process, we design a…

Robotics · Computer Science 2020-03-03 Liang Du , Jingang Tan , Xiangyang Xue , Lili Chen , Hongkai Wen , Jianfeng Feng , Jiamao Li , Xiaolin Zhang

In this paper, we present a deep learning architecture which addresses the problem of 3D semantic segmentation of unstructured point clouds. Compared to previous work, we introduce grouping techniques which define point neighborhoods in the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Francis Engelmann , Theodora Kontogianni , Jonas Schult , Bastian Leibe