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Most recent 3D instance segmentation methods are open vocabulary, offering a greater flexibility than closed-vocabulary methods. Yet, they are limited to reasoning within a specific set of concepts, \ie the vocabulary, prompted by the user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

Segmenting object instances is a key task in machine perception, with safety-critical applications in robotics and autonomous driving. We introduce a novel approach to instance segmentation that jointly leverages measurements from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Alex Zihao Zhu , Vincent Casser , Reza Mahjourian , Henrik Kretzschmar , Sören Pirk

Most existing instance segmentation methods only focus on improving performance and are not suitable for real-time scenes such as autonomous driving. This paper proposes a real-time framework that segmenting and detecting 3D objects by…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Shengjie Li , Caiyi Xu , Jianping Xing , Yafei Ning , Yonghong Chen

Multi-instance video object segmentation is to segment specific instances throughout a video sequence in pixel level, given only an annotated first frame. In this paper, we implement an effective fully convolutional networks with U-Net…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Heguang Liu , Jingle Jiang

Instance segmentation is essential for numerous computer vision applications, including robotics, human-computer interaction, and autonomous driving. Currently, popular models bring impressive performance in instance segmentation by…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Cuong Manh Hoang

Intelligent robots need to interact with diverse objects across various environments. The appearance and state of objects frequently undergo complex transformations depending on the object properties, e.g., phase transitions. However, in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Zixuan Chen , Jiaxin Li , Liming Tan , Yejie Guo , Junxuan Liang , Cewu Lu , Yong-Lu Li

3D instance segmentation is fundamental to geometric understanding of the world around us. Existing methods for instance segmentation of 3D scenes rely on supervision from expensive, manual 3D annotations. We propose UnScene3D, the first…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 David Rozenberszki , Or Litany , Angela Dai

Traditionally, algorithms that learn to segment object instances in 2D images have heavily relied on large amounts of human-annotated data. Only recently, novel approaches have emerged tackling this problem in an unsupervised fashion.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Leon Sick , Dominik Engel , Sebastian Hartwig , Pedro Hermosilla , Timo Ropinski

Recently, transformer-based techniques incorporating superpoints have become prevalent in 3D instance segmentation. However, they often encounter an over-segmentation problem, especially noticeable with large objects. Additionally,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Duc Dang Trung Tran , Byeongkeun Kang , Yeejin Lee

Recent works on 3D semantic segmentation propose to exploit the synergy between images and point clouds by processing each modality with a dedicated network and projecting learned 2D features onto 3D points. Merging large-scale point clouds…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Damien Robert , Bruno Vallet , Loic Landrieu

Object segmentation in three-dimensional (3-D) point clouds is a critical task for robots capable of 3-D perception. Despite the impressive performance of deep learning-based approaches on object segmentation in 2-D images, deep learning…

Image and Video Processing · Electrical Eng. & Systems 2019-10-31 Brian H. Wang , Wei-Lun Chao , Yan Wang , Bharath Hariharan , Kilian Q. Weinberger , Mark Campbell

Object detection and semantic segmentation are two main themes in object retrieval from high-resolution remote sensing images, which have recently achieved remarkable performance by surfing the wave of deep learning and, more notably,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Lichao Mou , Xiao Xiang Zhu

We present a new, embarrassingly simple approach to instance segmentation in images. Compared to many other dense prediction tasks, e.g., semantic segmentation, it is the arbitrary number of instances that have made instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Xinlong Wang , Tao Kong , Chunhua Shen , Yuning Jiang , Lei Li

Robots typically possess sensors of different modalities, such as colour cameras, inertial measurement units, and 3D laser scanners. Often, solving a particular problem becomes easier when more than one modality is used. However, while…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Charika De Alvis , Lionel Ott , Fabio Ramos

We propose an approach to instance segmentation from 3D point clouds based on dynamic convolution. This enables it to adapt, at inference, to varying feature and object scales. Doing so avoids some pitfalls of bottom up approaches,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Tong He , Chunhua Shen , Anton van den Hengel

Handling occlusion remains a significant challenge for video instance-level tasks like Multiple Object Tracking (MOT) and Video Instance Segmentation (VIS). In this paper, we propose a novel framework, Amodal-Aware Video Instance…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Minh Tran , Thang Pham , Winston Bounsavy , Tri Nguyen , Ngan Le

We propose SegVec3D, a novel framework for 3D point cloud instance segmentation that integrates attention mechanisms, embedding learning, and cross-modal alignment. The approach builds a hierarchical feature extractor to enhance geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Zhihan Kang , Boyu Wang

In this paper, we introduce Segmentation-Driven Deformation Multi-View Stereo (SD-MVS), a method that can effectively tackle challenges in 3D reconstruction of textureless areas. We are the first to adopt the Segment Anything Model (SAM) to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Zhenlong Yuan , Jiakai Cao , Zhaoxin Li , Hao Jiang , Zhaoqi Wang

Moving object segmentation plays a crucial role in understanding dynamic scenes involving multiple moving objects, while the difficulties lie in taking into account both spatial texture structures and temporal motion cues. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Zhexiong Wan , Bin Fan , Le Hui , Yuchao Dai , Gim Hee Lee

In this paper, we propose Contextual Guided Segmentation (CGS) framework for video instance segmentation in three passes. In the first pass, i.e., preview segmentation, we propose Instance Re-Identification Flow to estimate main properties…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Trung-Nghia Le , Tam V. Nguyen , Minh-Triet Tran