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Semantic instance segmentation remains a challenging task. In this work we propose to tackle the problem with a discriminative loss function, operating at the pixel level, that encourages a convolutional network to produce a representation…

Computer Vision and Pattern Recognition · Computer Science 2017-08-10 Bert De Brabandere , Davy Neven , Luc Van Gool

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

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

Sketch segmentation involves grouping pixels within a sketch that belong to the same object or instance. It serves as a valuable tool for sketch editing tasks, such as moving, scaling, or removing specific components. While image…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Mia Tang , Yael Vinker , Chuan Yan , Lvmin Zhang , Maneesh Agrawala

We present a bottom-up approach for the task of object instance segmentation using a single-shot model. The proposed model employs a fully convolutional network which is trained to predict class-wise segmentation masks as well as the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Jacob Richeimer , Jonathan Mitchell

Existing methods for pixel-wise labelling tasks generally disregard the underlying structure of labellings, often leading to predictions that are visually implausible. While incorporating structure into the model should improve prediction…

Computer Vision and Pattern Recognition · Computer Science 2016-06-13 Ke Li , Bharath Hariharan , Jitendra Malik

We study the problem of unsupervised discovery and segmentation of object parts, which, as an intermediate local representation, are capable of finding intrinsic object structure and providing more explainable recognition results. Recent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Shilong Liu , Lei Zhang , Xiao Yang , Hang Su , Jun Zhu

Panoptic segmentation unifies semantic and instance segmentation and thus delivers a semantic class label and, for so-called thing classes, also an instance label per pixel. The differentiation of distinct objects of the same class with a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Tuan Nguyen , Max Mehltretter , Franz Rottensteiner

In this work, we tackle the problem of instance segmentation, the task of simultaneously solving object detection and semantic segmentation. Towards this goal, we present a model, called MaskLab, which produces three outputs: box detection,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Liang-Chieh Chen , Alexander Hermans , George Papandreou , Florian Schroff , Peng Wang , Hartwig Adam

We propose an approach to instance-level image segmentation that is built on top of category-level segmentation. Specifically, for each pixel in a semantic category mask, its corresponding instance bounding box is predicted using a deep…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Zifeng Wu , Chunhua Shen , Anton van den Hengel

This paper presents a method that improve state-of-the-art of the concave point detection methods as a first step to segment overlapping objects on images. It is based on the analysis of the curvature of the objects contour. The method has…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Miquel Miró-Nicolau , Biel Moyà-Alcover , Manuel Gonzàlez-Hidalgo , Antoni Jaume-i-Capó

Object detection is a critical part of visual scene understanding. The representation of the object in the detection task has important implications on the efficiency and feasibility of annotation, robustness to occlusion, pose, lighting,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Li Ding , Lex Fridman

In current interactive instance segmentation works, the user is granted a free hand when providing clicks to segment an object; clicks are allowed on background pixels and other object instances far from the target object. This form of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Soumajit Majumder , Angela Yao

Instance segmentation is a challenging task aiming at classifying and segmenting all object instances of specific classes. While two-stage box-based methods achieve top performances in the image domain, they cannot easily extend their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Xiang Li , Jinglu Wang , Xiao Li , Yan Lu

Moving object segmentation plays a crucial role in understanding dynamic scenes involving multiple moving objects, while the difficulties lie in taking into account both spatial texture structures and temporal motion cues. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Zhexiong Wan , Bin Fan , Le Hui , Yuchao Dai , Gim Hee Lee

Instance segmentation is a core computer vision task with great practical significance. Recent advances, driven by large-scale benchmark datasets, have yielded good general-purpose Convolutional Neural Network (CNN)-based methods. Natural…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Przemyslaw Polewski , Jacquelyn Shelton , Wei Yao , Marco Heurich

Most state-of-the-art methods of object detection suffer from poor generalization ability when the training and test data are from different domains, e.g., with different styles. To address this problem, previous methods mainly use holistic…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Aming Wu , Yahong Han , Linchao Zhu , Yi Yang

We present a weakly supervised instance segmentation algorithm based on deep community learning with multiple tasks. This task is formulated as a combination of weakly supervised object detection and semantic segmentation, where individual…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Jaedong Hwang , Seohyun Kim , Jeany Son , Bohyung Han

Unsupervised instance segmentation aims to segment distinct object instances in an image without relying on human-labeled data. This field has recently seen significant advancements, partly due to the strong local correspondences afforded…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Dylan Li , Gyungin Shin

Unsupervised 3D instance segmentation aims to segment objects from a 3D point cloud without any annotations. Existing methods face the challenge of either too loose or too tight clustering, leading to under-segmentation or…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Cheng Shi , Yulin Zhang , Bin Yang , Jiajin Tang , Yuexin Ma , Sibei Yang