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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

End-to-end paradigms significantly improve the accuracy of various deep-learning-based computer vision models. To this end, tasks like object detection have been upgraded by replacing non-end-to-end components, such as removing non-maximum…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Jie Hu , Liujuan Cao , Yao Lu , ShengChuan Zhang , Yan Wang , Ke Li , Feiyue Huang , Ling Shao , Rongrong Ji

The two-stage methods for instance segmentation, e.g. Mask R-CNN, have achieved excellent performance recently. However, the segmented masks are still very coarse due to the downsampling operations in both the feature pyramid and the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Gang Zhang , Xin Lu , Jingru Tan , Jianmin Li , Zhaoxiang Zhang , Quanquan Li , Xiaolin Hu

Low level features like edges and textures play an important role in accurately localizing instances in neural networks. In this paper, we propose an architecture which improves feature pyramid networks commonly used instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yongqing Sun , Pranav Shenoy K P , Jun Shimamura , Atsushi Sagata

Instance search is an interesting task as well as a challenging issue due to the lack of effective feature representation. In this paper, an instance level feature representation built upon fully convolutional instance-aware segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Yu Zhan , Wan-Lei Zhao

Prevailing video frame interpolation algorithms, that generate the intermediate frames from consecutive inputs, typically rely on complex model architectures with heavy parameters or large delay, hindering them from diverse real-time…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Lingtong Kong , Boyuan Jiang , Donghao Luo , Wenqing Chu , Xiaoming Huang , Ying Tai , Chengjie Wang , Jie Yang

Integrating high-level context information with low-level details is of central importance in semantic segmentation. Towards this end, most existing segmentation models apply bilinear up-sampling and convolutions to feature maps of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Hanzhe Hu , Yinbo Chen , Jiarui Xu , Shubhankar Borse , Hong Cai , Fatih Porikli , Xiaolong Wang

To improve the compressive sensing MRI (CS-MRI) approaches in terms of fine structure loss under high acceleration factors, we have proposed an iterative feature refinement model (IFR-CS), equipped with fixed transforms, to restore the…

Machine Learning · Computer Science 2019-09-26 Yiling Liu , Qiegen Liu , Minghui Zhang , Qingxin Yang , Shanshan Wang , Dong Liang

Video instance segmentation aims at predicting object segmentation masks for each frame, as well as associating the instances across multiple frames. Recent end-to-end video instance segmentation methods are capable of performing object…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Quanzeng You , Jiang Wang , Peng Chu , Andre Abrantes , Zicheng Liu

Existing instance segmentation techniques are primarily tailored for high-visibility inputs, but their performance significantly deteriorates in extremely low-light environments. In this work, we take a deep look at instance segmentation in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Linwei Chen , Ying Fu , Kaixuan Wei , Dezhi Zheng , Felix Heide

Instance segmentation with neural networks is an essential task in environment perception. In many works, it has been observed that neural networks can predict false positive instances with high confidence values and true positives with low…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Kira Maag , Matthias Rottmann , Serin Varghese , Fabian Hueger , Peter Schlicht , Hanno Gottschalk

Exploring deep convolutional neural networks of high efficiency and low memory usage is very essential for a wide variety of machine learning tasks. Most of existing approaches used to accelerate deep models by manipulating parameters or…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Chuanjian Liu , Yunhe Wang , Kai Han , Chunjing Xu , Chang Xu

Iterative refinement -- start with a random guess, then iteratively improve the guess -- is a useful paradigm for representation learning because it offers a way to break symmetries among equally plausible explanations for the data. This…

Machine Learning · Computer Science 2023-01-03 Michael Chang , Thomas L. Griffiths , Sergey Levine

Video semantic segmentation aims to generate accurate semantic maps for each video frame. To this end, many works dedicate to integrate diverse information from consecutive frames to enhance the features for prediction, where a feature…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Jiafan Zhuang , Zilei Wang , Junjie Li

We present FourierMask, which employs Fourier series combined with implicit neural representations to generate instance segmentation masks. We apply a Fourier mapping (FM) to the coordinate locations and utilize the mapped features as…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Hamd ul Moqeet Riaz , Nuri Benbarka , Timon Hoefer , Andreas Zell

We propose a simple yet effective framework for instance and panoptic segmentation, termed CondInst (conditional convolutions for instance and panoptic segmentation). In the literature, top-performing instance segmentation methods typically…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Zhi Tian , Bowen Zhang , Hao Chen , Chunhua Shen

In this paper, we explore the mask representation in instance segmentation with Point-of-Interest (PoI) features. Differentiating multiple potential instances within a single PoI feature is challenging because learning a high-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Lu Qi , Yi Wang , Yukang Chen , Yingcong Chen , Xiangyu Zhang , Jian Sun , Jiaya Jia

Referring segmentation aims to generate a segmentation mask for the target instance indicated by a natural language expression. There are typically two kinds of existing methods: one-stage methods that directly perform segmentation on the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Chang Liu , Xudong Jiang , Henghui Ding

Current state-of-the-art instance segmentation methods are not suited for real-time applications like autonomous driving, which require fast execution times at high accuracy. Although the currently dominant proposal-based methods have high…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 Davy Neven , Bert De Brabandere , Marc Proesmans , Luc Van Gool

Weakly supervised instance segmentation reduces the cost of annotations required to train models. However, existing approaches which rely only on image-level class labels predominantly suffer from errors due to (a) partial segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Qing Liu , Vignesh Ramanathan , Dhruv Mahajan , Alan Yuille , Zhenheng Yang
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