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We propose a new approach for 3D instance segmentation based on sparse convolution and point affinity prediction, which indicates the likelihood of two points belonging to the same instance. The proposed network, built upon submanifold…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Chen Liu , Yasutaka Furukawa

Although most existing multi-modal salient object detection (SOD) methods demonstrate effectiveness through training models from scratch, the limited multi-modal data hinders these methods from reaching optimality. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Kunpeng Wang , Danying Lin , Chenglong Li , Zhengzheng Tu , Bin Luo

In the booming video era, video segmentation attracts increasing research attention in the multimedia community. Semi-supervised video object segmentation (VOS) aims at segmenting objects in all target frames of a video, given annotated…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Xiaohao Xu , Jinglu Wang , Xiang Ming , Yan Lu

Instance segmentation models today are very accurate when trained on large annotated datasets, but collecting mask annotations at scale is prohibitively expensive. We address the partially supervised instance segmentation problem in which…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Vighnesh Birodkar , Zhichao Lu , Siyang Li , Vivek Rathod , Jonathan Huang

Electronic computers have evolved drastically over the past years with an ever-growing demand for improved performance. However, the transfer of information from memory and high energy consumption have emerged as issues that require…

Specular reflections pose a significant challenge for object segmentation, as their sharp intensity transitions often mislead both conventional algorithms and deep learning based methods. However, as the specular reflection must lie on the…

Image and Video Processing · Electrical Eng. & Systems 2026-02-26 Katja Kossira , Yunxuan Zhu , Jürgen Seiler , André Kaup

Developing a new Salient Object Detection (SOD) model involves selecting an ImageNet pre-trained backbone and creating novel feature refinement modules to use backbone features. However, adding new components to a pre-trained backbone needs…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Rohit Venkata Sai Dulam , Chandra Kambhamettu

Almost all existing amodal segmentation methods make the inferences of occluded regions by using features corresponding to the whole image. This is against the human's amodal perception, where human uses the visible part and the shape prior…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Yuting Xiao , Yanyu Xu , Ziming Zhong , Weixin Luo , Jiawei Li , Shenghua Gao

Existing single-modal and multi-modal salient object detection (SOD) methods focus on designing specific architectures tailored for their respective tasks. However, developing completely different models for different tasks leads to labor…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Kunpeng Wang , Chenglong Li , Zhengzheng Tu , Zhengyi Liu , Bin Luo

Recent open-vocabulary segmentation methods adopt mask generators to predict segmentation masks and leverage pre-trained vision-language models, e.g., CLIP, to classify these masks via mask pooling. Although these approaches show promising…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yongkang Li , Tianheng Cheng , Bin Feng , Wenyu Liu , Xinggang Wang

Two major challenges of 3D LiDAR Panoptic Segmentation (PS) are that point clouds of an object are surface-aggregated and thus hard to model the long-range dependency especially for large instances, and that objects are too close to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Shuangjie Xu , Rui Wan , Maosheng Ye , Xiaoyi Zou , Tongyi Cao

In this paper, we conduct a comprehensive study on the co-salient object detection (CoSOD) problem for images. CoSOD is an emerging and rapidly growing extension of salient object detection (SOD), which aims to detect the co-occurring…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Deng-Ping Fan , Tengpeng Li , Zheng Lin , Ge-Peng Ji , Dingwen Zhang , Ming-Ming Cheng , Huazhu Fu , Jianbing Shen

Although deep salient object detection (SOD) has achieved remarkable progress, deep SOD models are extremely data-hungry, requiring large-scale pixel-wise annotations to deliver such promising results. In this paper, we propose a novel yet…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Zhenyu Wu , Lin Wang , Wei Wang , Tengfei Shi , Chenglizhao Chen , Aimin Hao , Shuo Li

The counting task, which plays a fundamental role in numerous applications (e.g., crowd counting, traffic statistics), aims to predict the number of objects with various densities. Existing object counting tasks are designed for a single…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Shengqin Jiang , Qing Wang , Fengna Cheng , Yuankai Qi , Qingshan Liu

In this paper, we investigate Open-Vocabulary 3D Instance Segmentation (OV-3DIS) with free-form language instructions. Earlier works that rely on only annotated base categories for training suffer from limited generalization to unseen novel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Seungjun Lee , Yuyang Zhao , Gim Hee Lee

Video amodal segmentation is a particularly challenging task in computer vision, which requires to deduce the full shape of an object from the visible parts of it. Recently, some studies have achieved promising performance by using motion…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Ke Fan , Jingshi Lei , Xuelin Qian , Miaopeng Yu , Tianjun Xiao , Tong He , Zheng Zhang , Yanwei Fu

This paper presents a weakly-supervised approach to object instance segmentation. Starting with known or predicted object bounding boxes, we learn object masks by playing a game of cut-and-paste in an adversarial learning setup. A mask…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Tal Remez , Jonathan Huang , Matthew Brown

Data assimilation has become a key technique for combining physical models with observational data to estimate state variables. However, classical assimilation algorithms often struggle with the high nonlinearity present in both physical…

Machine Learning · Computer Science 2025-07-22 Zhuoyuan Li , Bin Dong , Pingwen Zhang

Instance segmentation with unseen objects is a challenging problem in unstructured environments. To solve this problem, we propose a robot learning approach to actively interact with novel objects and collect each object's training label…

Robotics · Computer Science 2022-07-22 Houjian Yu , Changhyun Choi

In recent years, computer vision has transformed fields such as medical imaging, object recognition, and geospatial analytics. One of the fundamental tasks in computer vision is semantic image segmentation, which is vital for precise object…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Dinar Sharafutdinov , Stanislav Kuskov , Saian Protasov , Alexey Voropaev