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Few-shot instance segmentation extends the few-shot learning paradigm to the instance segmentation task, which tries to segment instance objects from a query image with a few annotated examples of novel categories. Conventional approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Minh-Quan Le , Tam V. Nguyen , Trung-Nghia Le , Thanh-Toan Do , Minh N. Do , Minh-Triet Tran

In many biomedical segmentation tasks, the preservation of elongated structure continuity and length is more important than voxel-wise accuracy. We propose two novel loss functions, Negative Centerline Loss and Simplified Topology Loss,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Karol Szustakowski , Luk Frank , Julia Esser , Jan Gründemann , Marie Piraud

Although instance segmentation has made considerable advancement over recent years, it's still a challenge to design high accuracy algorithms with real-time performance. In this paper, we propose a real-time instance segmentation framework…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Wentao Du , Zhiyu Xiang , Shuya Chen , Chengyu Qiao , Yiman Chen , Tingming Bai

We present a high-performance method that can achieve mask-level instance segmentation with only bounding-box annotations for training. While this setting has been studied in the literature, here we show significantly stronger performance…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Zhi Tian , Chunhua Shen , Xinlong Wang , Hao Chen

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

In this paper, we propose PolyTransform, a novel instance segmentation algorithm that produces precise, geometry-preserving masks by combining the strengths of prevailing segmentation approaches and modern polygon-based methods. In…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Justin Liang , Namdar Homayounfar , Wei-Chiu Ma , Yuwen Xiong , Rui Hu , Raquel Urtasun

One of the central tasks of multi-object tracking involves learning a distance metric that is consistent with the semantic similarities of objects. The design of an appropriate loss function that encourages discriminative feature learning…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Amit Satish Unde , Renu M. Rameshan

This paper introduces a novel approach for 3D semantic instance segmentation on point clouds. A 3D convolutional neural network called submanifold sparse convolutional network is used to generate semantic predictions and instance embeddings…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Zhidong Liang , Ming Yang , Chunxiang Wang

Instance segmentation aims to detect and segment individual objects in a scene. Most existing methods rely on precise mask annotations of every category. However, it is difficult and costly to segment objects in novel categories because a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Weicheng Kuo , Anelia Angelova , Jitendra Malik , Tsung-Yi Lin

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 novel method for instance label segmentation of dense 3D voxel grids. We target volumetric scene representations, which have been acquired with depth sensors or multi-view stereo methods and which have been processed with…

Computer Vision and Pattern Recognition · Computer Science 2019-11-04 Jean Lahoud , Bernard Ghanem , Marc Pollefeys , Martin R. Oswald

We introduce a method for simultaneously classifying, segmenting and tracking object instances in a video sequence. Our method, named MaskProp, adapts the popular Mask R-CNN to video by adding a mask propagation branch that propagates…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Gedas Bertasius , Lorenzo Torresani

This abstract briefly describes a segmentation algorithm developed for the ISIC 2017 Skin Lesion Detection Competition hosted at [ref]. The objective of the competition is to perform a segmentation (in the form of a binary mask image) of…

Computer Vision and Pattern Recognition · Computer Science 2017-03-02 David Alvarez , Monica Iglesias

Contour-based instance segmentation has been actively studied, thanks to its flexibility and elegance in processing visual objects within complex backgrounds. In this work, we propose a novel deep network architecture, i.e., PolySnake, for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Hao Feng , Keyi Zhou , Wengang Zhou , Yufei Yin , Jiajun Deng , Qi Sun , Houqiang Li

In this work, we present a new operator, called Instance Mask Projection (IMP), which projects a predicted Instance Segmentation as a new feature for semantic segmentation. It also supports back propagation so is trainable end-to-end. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Cheng-Yang Fu , Tamara L. Berg , Alexander C. Berg

Over the past few years, state-of-the-art image segmentation algorithms are based on deep convolutional neural networks. To render a deep network with the ability to understand a concept, humans need to collect a large amount of pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Weide Liu , Chi Zhang , Guosheng Lin , Fayao Liu

The instance segmentation problem intends to precisely detect and delineate objects in images. Most of the current solutions rely on deep convolutional neural networks but despite this fact proposed solutions are very diverse. Some…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Thomio Watanabe , Denis Wolf

Modern 3D semantic instance segmentation approaches predominantly rely on specialized voting mechanisms followed by carefully designed geometric clustering techniques. Building on the successes of recent Transformer-based methods for object…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Jonas Schult , Francis Engelmann , Alexander Hermans , Or Litany , Siyu Tang , Bastian Leibe

Object detection and semantic segmentation are two main themes in object retrieval from high-resolution remote sensing images, which have recently achieved remarkable performance by surfing the wave of deep learning and, more notably,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Lichao Mou , Xiao Xiang Zhu

The ability to segment unknown objects in depth images has potential to enhance robot skills in grasping and object tracking. Recent computer vision research has demonstrated that Mask R-CNN can be trained to segment specific categories of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Michael Danielczuk , Matthew Matl , Saurabh Gupta , Andrew Li , Andrew Lee , Jeffrey Mahler , Ken Goldberg
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