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Instance detection (InsDet) is a long-lasting problem in robotics and computer vision, aiming to detect object instances (predefined by some visual examples) in a cluttered scene. Despite its practical significance, its advancement is…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Qianqian Shen , Yunhan Zhao , Nahyun Kwon , Jeeeun Kim , Yanan Li , Shu Kong

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

We propose a new and, arguably, a very simple reduction of instance segmentation to semantic segmentation. This reduction allows to train feed-forward non-recurrent deep instance segmentation systems in an end-to-end fashion using…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Victor Kulikov , Victor Yurchenko , Victor Lempitsky

Open-World Instance Segmentation (OWIS) is an emerging research topic that aims to segment class-agnostic object instances from images. The mainstream approaches use a two-stage segmentation framework, which first locates the candidate…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Xizhe Xue , Dongdong Yu , Lingqiao Liu , Yu Liu , Satoshi Tsutsui , Ying Li , Zehuan Yuan , Ping Song , Mike Zheng Shou

Background: The quantitative analysis of microscope videos often requires instance segmentation and tracking of cellular and subcellular objects. The traditional method consists of two stages: (1) performing instance object segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Quan Liu , Isabella M. Gaeta , Mengyang Zhao , Ruining Deng , Aadarsh Jha , Bryan A. Millis , Anita Mahadevan-Jansen , Matthew J. Tyska , Yuankai Huo

In this paper, we propose a single-shot instance segmentation method, which is simple, fast and accurate. There are two main challenges for one-stage instance segmentation: object instances differentiation and pixel-wise feature alignment.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Yuqing Wang , Zhaoliang Xu , Hao Shen , Baoshan Cheng , Lirong Yang

Exploring dense matching between the current frame and past frames for long-range context modeling, memory-based methods have demonstrated impressive results in video object segmentation (VOS) recently. Nevertheless, due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Junke Wang , Dongdong Chen , Zuxuan Wu , Chong Luo , Chuanxin Tang , Xiyang Dai , Yucheng Zhao , Yujia Xie , Lu Yuan , Yu-Gang Jiang

This paper introduces a novel contour-based approach named deep snake for real-time instance segmentation. Unlike some recent methods that directly regress the coordinates of the object boundary points from an image, deep snake uses a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Sida Peng , Wen Jiang , Huaijin Pi , Xiuli Li , Hujun Bao , Xiaowei Zhou

We propose a novel task, hierarchical instance tracking, which entails tracking all instances of predefined categories of objects and parts, while maintaining their hierarchical relationships. We introduce the first benchmark dataset…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Neelima Prasad , Jarek Reynolds , Neel Karsanbhai , Tanusree Sharma , Lotus Zhang , Abigale Stangl , Yang Wang , Leah Findlater , Danna Gurari

Cell and nucleus segmentation are fundamental tasks for quantitative bioimage analysis. Despite progress in recent years, biologists and other domain experts still require novel algorithms to handle increasingly large and complex real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Thibaut Goldsborough , Ben Philps , Alan O'Callaghan , Fiona Inglis , Leo Leplat , Andrew Filby , Hakan Bilen , Peter Bankhead

Due to the few annotated labels of 3D point clouds, how to learn discriminative features of point clouds to segment object instances is a challenging problem. In this paper, we propose a simple yet effective 3D instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Linghua Tang , Le Hui , Jin Xie

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

The requirement of expensive annotations is a major burden for training a well-performed instance segmentation model. In this paper, we present an economic active learning setting, named active pointly-supervised instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Chufeng Tang , Lingxi Xie , Gang Zhang , Xiaopeng Zhang , Qi Tian , Xiaolin Hu

Quantitative measurement of crystals in high-resolution images allows for important insights into underlying material characteristics. Deep learning has shown great progress in vision-based automatic crystal size measurement, but current…

An instance with a bad mask might make a composite image that uses it look fake. This encourages us to learn segmentation by generating realistic composite images. To achieve this, we propose a novel framework that exploits a new proposed…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Songmin Dai , Xiaoqiang Li , Lu Wang , Pin Wu , Weiqin Tong , Yimin Chen

In this work, we propose a new segmentation algorithm for images containing convex objects present in multiple shapes with a high degree of overlap. The proposed algorithm is carried out in two steps, first we identify the visible contours,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Kumar Abhinav , Jaideep Singh Chauhan , Debasis Sarkar

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

Partially supervised instance segmentation aims to perform learning on limited mask-annotated categories of data thus eliminating expensive and exhaustive mask annotation. The learned models are expected to be generalizable to novel…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Qi Fan , Lei Ke , Wenjie Pei , Chi-Keung Tang , Yu-Wing Tai

Although deep learning methods have achieved advanced video object recognition performance in recent years, perceiving heavily occluded objects in a video is still a very challenging task. To promote the development of occlusion…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Jiyang Qi , Yan Gao , Yao Hu , Xinggang Wang , Xiaoyu Liu , Xiang Bai , Serge Belongie , Alan Yuille , Philip H. S. Torr , Song Bai

Video Instance Segmentation (VIS) jointly tackles multi-object detection, tracking, and segmentation in video sequences. In the past, VIS methods mirrored the fragmentation of these subtasks in their architectural design, hence missing out…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Adrià Caelles , Tim Meinhardt , Guillem Brasó , Laura Leal-Taixé