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Multi-instance video object segmentation is to segment specific instances throughout a video sequence in pixel level, given only an annotated first frame. In this paper, we implement an effective fully convolutional networks with U-Net…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Heguang Liu , Jingle Jiang

Instance segmentation is a promising yet challenging topic in computer vision. Recent approaches such as Mask R-CNN typically divide this problem into two parts -- a detection component and a mask generation branch, and mostly focus on the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Shichao Xu , Shuyue Lan , Qi Zhu

Tool wear conditions impact the surface quality of the workpiece and its final geometric precision. In this research, we propose an efficient tool wear segmentation approach based on Segment Anything Model, which integrates U-Net as an…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Zongshuo Li , Ding Huo , Markus Meurer , Thomas Bergs

In this paper, we propose a unified panoptic segmentation network (UPSNet) for tackling the newly proposed panoptic segmentation task. On top of a single backbone residual network, we first design a deformable convolution based semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Yuwen Xiong , Renjie Liao , Hengshuang Zhao , Rui Hu , Min Bai , Ersin Yumer , Raquel Urtasun

Along with the breakthrough of convolutional neural networks, learning-based segmentation has emerged in many research works. Most of them are based on supervised learning, requiring plenty of annotated data; however, to support…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Junhuan Yang , Yi Sheng , Yuzhou Zhang , Weiwen Jiang , Lei Yang

Context is essential for semantic segmentation. Due to the diverse shapes of objects and their complex layout in various scene images, the spatial scales and shapes of contexts for different objects have very large variation. It is thus…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Henghui Ding , Xudong Jiang , Bing Shuai , Ai Qun Liu , Gang Wang

We introduce an assessment procedure for interactive segmentation models. Based on concepts from Bayesian Experimental Design, the procedure measures a model's understanding of point prompts and their correspondence with the desired…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Kuan-I Chung , Daniel Moyer

Ground segmentation, as the basic task of unmanned intelligent perception, provides an important support for the target detection task. Unstructured road scenes represented by open-pit mines have irregular boundary lines and uneven road…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Zixuan Li , Haiying Lin , Zhangyu Wang , Huazhi Li , Miao Yu , Jie Wang

We propose an approach to instance segmentation from 3D point clouds based on dynamic convolution. This enables it to adapt, at inference, to varying feature and object scales. Doing so avoids some pitfalls of bottom up approaches,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Tong He , Chunhua Shen , Anton van den Hengel

Image segmentation is the problem of partitioning an image into different subsets, where each subset may have a different characterization in terms of color, intensity, texture, and/or other features. Segmentation is a fundamental component…

Computer Vision and Pattern Recognition · Computer Science 2015-11-03 M. Abdelsamea

We propose a method for interactive boundary extraction which combines a deep, patch-based representation with an active contour framework. We train a class-specific convolutional neural network which predicts a vector pointing from the…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Christian Rupprecht , Elizabeth Huaroc , Maximilian Baust , Nassir Navab

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

Segmentation localizes objects in an image on a fine-grained per-pixel scale. Segmentation benefits by humans-in-the-loop to provide additional input of objects to segment using a combination of foreground or background clicks. Tasks…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Nikolai Warner , Meera Hahn , Jonathan Huang , Irfan Essa , Vighnesh Birodkar

In order to function in unstructured environments, robots need the ability to recognize unseen novel objects. We take a step in this direction by tackling the problem of segmenting unseen object instances in tabletop environments. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Christopher Xie , Yu Xiang , Arsalan Mousavian , Dieter Fox

Image segmentation has come a long way since the early days of computer vision, and still remains a challenging task. Modern variations of the classical (purely bottom-up) approach, involve, e.g., some form of user assistance (interactive…

Computer Vision and Pattern Recognition · Computer Science 2017-07-19 Eyasu Zemene , Leulseged Tesfaye Alemu , Marcello Pelillo

This paper studies the 3D instance segmentation problem, which has a variety of real-world applications such as robotics and augmented reality. Since the surroundings of 3D objects are of high complexity, the separating of different objects…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Min Zhong , Xinghao Chen , Xiaokang Chen , Gang Zeng , Yunhe Wang

This paper presents Contourformer, a real-time contour-based instance segmentation algorithm. The method is fully based on the DETR paradigm and achieves end-to-end inference through iterative and progressive mechanisms to optimize…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Weiwei Yao , Chen Li , Minjun Xiong , Wenbo Dong , Hao Chen , Xiong Xiao

We present a new method for efficient high-quality image segmentation of objects and scenes. By analogizing classical computer graphics methods for efficient rendering with over- and undersampling challenges faced in pixel labeling tasks,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Alexander Kirillov , Yuxin Wu , Kaiming He , Ross Girshick

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

Many interactive image segmentation techniques are based on semi-supervised learning. The user may label some pixels from each object and the SSL algorithm will propagate the labels from the labeled to the unlabeled pixels, finding object…

Machine Learning · Computer Science 2020-02-14 Fabricio Aparecido Breve