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One-shot semantic image segmentation aims to segment the object regions for the novel class with only one annotated image. Recent works adopt the episodic training strategy to mimic the expected situation at testing time. However, these…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Tao Chen , Guosen Xie , Yazhou Yao , Qiong Wang , Fumin Shen , Zhenmin Tang , Jian Zhang

Denoising diffusion probabilistic models have recently received much research attention since they outperform alternative approaches, such as GANs, and currently provide state-of-the-art generative performance. The superior performance of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Dmitry Baranchuk , Ivan Rubachev , Andrey Voynov , Valentin Khrulkov , Artem Babenko

Self-supervised visual pre-training methods face an inherent tension: contrastive learning (CL) captures global semantics but loses fine-grained detail, while masked image modeling (MIM) preserves local textures but suffers from "attention…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Wenzhao Xiang , Yue Wu , Hongyang Yu , Feng Gao , Fan Yang , Xilin Chen

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

Video Semantic Segmentation (VSS) involves assigning a semantic label to each pixel in a video sequence. Prior work in this field has demonstrated promising results by extending image semantic segmentation models to exploit temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yuetian Weng , Mingfei Han , Haoyu He , Mingjie Li , Lina Yao , Xiaojun Chang , Bohan Zhuang

This paper proposes a novel self-supervised learning method for semantic segmentation using selective masking image reconstruction as the pretraining task. Our proposed method replaces the random masking augmentation used in most masked…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yuemin Wang , Ian Stavness

Segmentation remains an important preprocessing step both in languages where "words" or other important syntactic/semantic units (like morphemes) are not clearly delineated by white space, as well as when dealing with continuous speech…

Computation and Language · Computer Science 2021-09-07 C. M. Downey , Fei Xia , Gina-Anne Levow , Shane Steinert-Threlkeld

Finetuning a pretrained backbone in the encoder part of an image transformer network has been the traditional approach for the semantic segmentation task. However, such an approach leaves out the semantic context that an image provides…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Jitesh Jain , Anukriti Singh , Nikita Orlov , Zilong Huang , Jiachen Li , Steven Walton , Humphrey Shi

Modern approaches have proved the huge potential of addressing semantic segmentation as a mask classification task which is widely used in instance-level segmentation. This paradigm trains models by assigning part of object queries to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Zhaochong An , Guolei Sun , Zongwei Wu , Hao Tang , Luc Van Gool

Semantic segmentation is an important task in computer vision that is often tackled with convolutional neural networks (CNNs). A CNN learns to produce pixel-level predictions through training on pairs of images and their corresponding…

Image and Video Processing · Electrical Eng. & Systems 2022-03-22 Tianyu Ma , Benjamin C. Lee , Mert R. Sabuncu

In semantic segmentation, generalizing a visual system to both seen categories and novel categories at inference time has always been practically valuable yet challenging. To enable such functionality, existing methods mainly rely on either…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yuhuan Yang , Chaofan Ma , Chen Ju , Fei Zhang , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Medical image processing usually requires a model trained with carefully crafted datasets due to unique image characteristics and domain-specific challenges, especially in pathology. Primitive detection and segmentation in digitized tissue…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Abu Bakor Hayat Arnob , Xiangxue Wang , Yiping Jiao , Xiao Gan , Wenlong Ming , Jun Xu

Over the past years, computer vision community has contributed to enormous progress in semantic image segmentation, a per-pixel classification task, crucial for dense scene understanding and rapidly becoming vital in lots of real-world…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Vladimir Nekrasov , Chunhua Shen , Ian Reid

Recently, methods based on Convolutional Neural Networks (CNN) achieved impressive success in semantic segmentation tasks. However, challenges such as the class imbalance and the uncertainty in the pixel-labeling process are not completely…

Due to the high similarity between camouflaged instances and the background, the recently proposed camouflaged instance segmentation (CIS) faces challenges in accurate localization and instance segmentation. To this end, inspired by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Bo Dong , Jialun Pei , Rongrong Gao , Tian-Zhu Xiang , Shuo Wang , Huan Xiong

Predicting masked from visible parts of an image is a powerful self-supervised approach for visual representation learning. However, the common practice of masking random patches of pixels exhibits certain failure modes, which can prevent…

Machine Learning · Computer Science 2025-02-12 Alice Bizeul , Thomas Sutter , Alain Ryser , Bernhard Schölkopf , Julius von Kügelgen , Julia E. Vogt

Image segmentation for video analysis plays an essential role in different research fields such as smart city, healthcare, computer vision and geoscience, and remote sensing applications. In this regard, a significant effort has been…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Omar Elharrouss , Somaya Al-Maadeed , Nandhini Subramanian , Najmath Ottakath , Noor Almaadeed , Yassine Himeur

Segmenting an object in a video presents significant challenges. Each pixel must be accurately labelled, and these labels must remain consistent across frames. The difficulty increases when the segmentation is with arbitrary granularity,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Amirhossein Alimohammadi , Sauradip Nag , Saeid Asgari Taghanaki , Andrea Tagliasacchi , Ghassan Hamarneh , Ali Mahdavi Amiri

Current semantic segmentation methods focus only on mining "local" context, i.e., dependencies between pixels within individual images, by context-aggregation modules (e.g., dilated convolution, neural attention) or structure-aware…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Wenguan Wang , Tianfei Zhou , Fisher Yu , Jifeng Dai , Ender Konukoglu , Luc Van Gool

Semantic segmentation is a critical task in computer vision aiming to identify and classify individual pixels in an image, with numerous applications in for example autonomous driving and medical image analysis. However, semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Halil Ibrahim Aysel , Xiaohao Cai , Adam Prügel-Bennett