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Images of realistic scenes often contain intra-class objects that are heavily occluded from each other, making the amodal perception task that requires parsing the occluded parts of the objects challenging. Although important for downstream…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Jiayang Ao , Qiuhong Ke , Krista A. Ehinger

Micro-expression recognition (MER) has achieved impressive accuracy in controlled laboratory settings. However, its real-world applicability faces a significant generalization cliff, severely hindering practical deployment due to poor…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Linquan Wu , Tianxiang Jiang , Haoyu Yang , Wenhao Duan , Shaochao Lin , Zixuan Wang , Yini Fang , Jacky Keung

Recent attention in instance segmentation has focused on query-based models. Despite being non-maximum suppression (NMS)-free and end-to-end, the superiority of these models on high-accuracy real-time benchmarks has not been well…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Junjie He , Pengyu Li , Yifeng Geng , Xuansong Xie

Masked autoencoders (MAE) have become a dominant paradigm in 3D representation learning, setting new performance benchmarks across various downstream tasks. Existing methods with fixed mask ratio neglect multi-level representational…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Lintong Wei , Jian Lu , Haozhe Cheng , Jihua Zhu , Kaibing Zhang

The robust association of the same objects across video frames in complex scenes is crucial for many applications, especially Multiple Object Tracking (MOT). Current methods predominantly rely on labeled domain-specific video datasets,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Siyuan Li , Lei Ke , Martin Danelljan , Luigi Piccinelli , Mattia Segu , Luc Van Gool , Fisher Yu

We present a robotic system for picking a target from a pile of objects that is capable of finding and grasping the target object by removing obstacles in the appropriate order. The fundamental idea is to segment instances with both visible…

Robotics · Computer Science 2020-01-22 Kentaro Wada , Shingo Kitagawa , Kei Okada , Masayuki Inaba

In recent years, significant progress has been made in the field of underwater image enhancement (UIE). However, its practical utility for high-level vision tasks, such as underwater object detection (UOD) in Autonomous Underwater Vehicles…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Junjie Wen , Jinqiang Cui , Benyun Zhao , Bingxin Han , Xuchen Liu , Zhi Gao , Ben M. Chen

We propose a simple yet effective instance segmentation framework, termed CondInst (conditional convolutions for instance segmentation). Top-performing instance segmentation methods such as Mask R-CNN rely on ROI operations (typically…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Zhi Tian , Chunhua Shen , Hao Chen

Amodal instance segmentation aims to predict the complete object mask including occluded regions that lack pixel-level observations and must be inferred with the aid of shape priors. Existing methods acquire shape priors through…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Fufan Zhang , Jingxiang Wang , Xiangjie Ye

The anchor-based detectors handle the problem of scale variation by building the feature pyramid and directly setting different scales of anchors on each cell in different layers. However, it is difficult for box-wise anchors to guide the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Keyang Wang , Lei Zhang , Wenli Song , Qinghai Lang , Lingyun Qin

Improving instance-specific image goal navigation (InstanceImageNav), which locates the identical object in a real-world environment from a query image, is essential for robotic systems to assist users in finding desired objects. The…

Image segmentation methods are usually trained with pixel-level annotations, which require significant human effort to collect. The most common solution to address this constraint is to implement weakly-supervised pipelines trained with…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Existing single-stage detectors for locating objects in point clouds often treat object localization and category classification as separate tasks, so the localization accuracy and classification confidence may not well align. To address…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Wu Zheng , Weiliang Tang , Sijin Chen , Li Jiang , Chi-Wing Fu

Recently, pre-trained vision-language models have been increasingly used to tackle the challenging zero-shot segmentation task. Typical solutions follow the paradigm of first generating mask proposals and then adopting CLIP to classify…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Siyu Jiao , Yunchao Wei , Yaowei Wang , Yao Zhao , Humphrey Shi

In large-scale storehouses, precise instance masks are crucial for robotic bin picking but are challenging to obtain. Existing instance segmentation methods typically rely on a tedious process of scene collection, mask annotation, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Biqi Yang , Weiliang Tang , Xiaojie Gao , Xianzhi Li , Yun-Hui Liu , Chi-Wing Fu , Pheng-Ann Heng

Learning accurate object detectors often requires large-scale training data with precise object bounding boxes. However, labeling such data is expensive and time-consuming. As the crowd-sourcing labeling process and the ambiguities of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Chengxin Liu , Kewei Wang , Hao Lu , Zhiguo Cao , Ziming Zhang

Despite strong zero-shot performance, SAM is unreliable under domain shift due to Mask-level Confidence Confusion (MCC), where a single IoU-based mask score fails to reflect pixel-wise reliability near boundaries. Motivated by the contrast…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Hongyou Zhou , Marc Toussaint , Ling Shao , Zihan Ye

Action Unit (AU) detection becomes essential for facial analysis. Many proposed approaches face challenging problems in dealing with the alignments of different face regions, in the effective fusion of temporal information, and in training…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Wei Li , Farnaz Abitahi , Zhigang Zhu

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

This paper addresses the semantic instance segmentation task in the open-set conditions, where input images can contain known and unknown object classes. The training process of existing semantic instance segmentation methods requires…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Trung Pham , Vijay Kumar B G , Thanh-Toan Do , Gustavo Carneiro , Ian Reid