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Accurate segmentation of critical anatomical structures is at the core of medical image analysis. The main bottleneck lies in gathering the requisite expert-labeled image annotations in a scalable manner. Methods that permit to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Yuhang Lu , Weijian Li , Kang Zheng , Yirui Wang , Adam P. Harrison , Chihung Lin , Song Wang , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao

Edge detection has long been an important problem in the field of computer vision. Previous works have explored category-agnostic or category-aware edge detection. In this paper, we explore edge detection in the context of object instances.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Xueyan Zou , Haotian Liu , Yong Jae Lee

Two-stage and query-based instance segmentation methods have achieved remarkable results. However, their segmented masks are still very coarse. In this paper, we present Mask Transfiner for high-quality and efficient instance segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Lei Ke , Martin Danelljan , Xia Li , Yu-Wing Tai , Chi-Keung Tang , Fisher Yu

We present an auxiliary task to Mask R-CNN, an instance segmentation network, which leads to faster training of the mask head. Our addition to Mask R-CNN is a new prediction head, the Edge Agreement Head, which is inspired by the way human…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Roland S. Zimmermann , Julien N. Siems

We tackle the problem of one-shot instance segmentation: Given an example image of a novel, previously unknown object category, find and segment all objects of this category within a complex scene. To address this challenging new task, we…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Claudio Michaelis , Ivan Ustyuzhaninov , Matthias Bethge , Alexander S. Ecker

While convolutional neural networks have gained impressive success recently in solving structured prediction problems such as semantic segmentation, it remains a challenge to differentiate individual object instances in the scene. Instance…

Machine Learning · Computer Science 2017-07-14 Mengye Ren , Richard S. Zemel

Video instance segmentation aims to detect, segment, and track objects in a video. Current approaches extend image-level segmentation algorithms to the temporal domain. However, this results in temporally inconsistent masks. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Anirudh S Chakravarthy , Won-Dong Jang , Zudi Lin , Donglai Wei , Song Bai , Hanspeter Pfister

Most methods for object instance segmentation require all training examples to be labeled with segmentation masks. This requirement makes it expensive to annotate new categories and has restricted instance segmentation models to ~100…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Ronghang Hu , Piotr Dollár , Kaiming He , Trevor Darrell , Ross Girshick

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

This paper proposes a novel automatically generating image masks method for the state-of-the-art Mask R-CNN deep learning method. The Mask R-CNN method achieves the best results in object detection until now, however, it is very…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Hao Wu , Jan Paul Siebert , Xiangrong Xu

Fine-grained image recognition is a challenging computer vision problem, due to the small inter-class variations caused by highly similar subordinate categories, and the large intra-class variations in poses, scales and rotations. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Xiu-Shen Wei , Chen-Wei Xie , Jianxin Wu

Current instance segmentation models achieve high performance on average predictions, but lack principled uncertainty quantification: their outputs are not calibrated, and there is no guarantee that a predicted mask is close to the ground…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Kerri Lu , Dan M. Kluger , Stephen Bates , Sherrie Wang

The current state-of-the-art methods in 3D instance segmentation typically involve a clustering step, despite the tendency towards heuristics, greedy algorithms, and a lack of robustness to the changes in data statistics. In contrast, we…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Tong He , Wei Yin , Chunhua Shen , Anton van den Hengel

The complex background in the soil image collected in the field natural environment will affect the subsequent soil image recognition based on machine vision. Segmenting the soil center area from the soil image can eliminate the influence…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Yida Chen , Kang Liu , Yi Xin , Xinru Zhao

Instance Segmentation, which seeks to obtain both class and instance labels for each pixel in the input image, is a challenging task in computer vision. State-of-the-art algorithms often employ two separate stages, the first one generating…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Jialin Yuan , Chao Chen , Li Fuxin

A major obstacle in instance segmentation is that existing methods often need many per-pixel labels in order to be effective. These labels require large human effort and for certain applications, such labels are not readily available. To…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Issam H. Laradji , David Vazquez , Mark Schmidt

Increasing the accuracy of instance segmentation methods is often done at the expense of speed. Using coarser representations, we can reduce the number of parameters and thus obtain real-time masks. In this paper, we take inspiration from…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Katia Jodogne-Del Litto , Guillaume-Alexandre Bilodeau

Object recognition and instance segmentation are fundamental skills in any robotic or autonomous system. Existing state-of-the-art methods are often unable to capture meaningful uncertainty in challenging or ambiguous scenes, and as such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 YuXuan Liu , Nikhil Mishra , Pieter Abbeel , Xi Chen

Most recent transformer-based models show impressive performance on vision tasks, even better than Convolution Neural Networks (CNN). In this work, we present a novel, flexible, and effective transformer-based model for high-quality…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Ruohao Guo , Dantong Niu , Liao Qu , Zhenbo Li

Accurate segmentation of anatomical structures is vital for medical image analysis. The state-of-the-art accuracy is typically achieved by supervised learning methods, where gathering the requisite expert-labeled image annotations in a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Yuhang Lu , Kang Zheng , Weijian Li , Yirui Wang , Adam P. Harrison , Chihung Lin , Song Wang , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao