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Accurate, real-time segmentation of vessel structures in ultrasound image sequences can aid in the measurement of lumen diameters and assessment of vascular diseases. This, however, remains a challenging task, particularly for extremely…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Baichuan Jiang , Alvin Chen , Shyam Bharat , Mingxin Zheng

We propose 'Deep spatial context' (DSCon) method, which serves for investigation of the attention-based vision models using the concept of spatial context. It was inspired by histopathologists, however, the method can be applied to various…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Paulina Tomaszewska , Elżbieta Sienkiewicz , Mai P. Hoang , Przemysław Biecek

Semantic segmentation is crucial in remote sensing, where high-resolution satellite images are segmented into meaningful regions. Recent advancements in deep learning have significantly improved satellite image segmentation. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Santiago Rivier , Carlos Hinojosa , Silvio Giancola , Bernard Ghanem

Accurate segmentation and mapping of sea ice types is crucial for safe polar navigation, offshore operations, and climate monitoring. While deep learning has demonstrated strong potential for automating sea ice type segmentation, its…

Automatic Speech Recognition (ASR) has shown remarkable progress, yet it still faces challenges in real-world distant scenarios across various array topologies each with multiple recording devices. The focal point of the CHiME-7 Distant ASR…

Sound · Computer Science 2023-12-18 Bingshen Mu , Pengcheng Guo , Dake Guo , Pan Zhou , Wei Chen , Lei Xie

Identification and localization of sounds are both integral parts of computational auditory scene analysis. Although each can be solved separately, the goal of forming coherent auditory objects and achieving a comprehensive spatial scene…

Sound · Computer Science 2019-12-24 Ivo Trowitzsch , Christopher Schymura , Dorothea Kolossa , Klaus Obermayer

The semantic segmentation (SS) task aims to create a dense classification by labeling at the pixel level each object present on images. Convolutional neural network (CNN) approaches have been widely used, and exhibited the best results in…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Darwin Saire , Adín Ramírez Rivera

Deep learning has demonstrated remarkable achievements in medical image segmentation. However, prevailing deep learning models struggle with poor generalization due to (i) intra-class variations, where the same class appears differently in…

Image and Video Processing · Electrical Eng. & Systems 2024-08-09 Vandan Gorade , Sparsh Mittal , Debesh Jha , Rekha Singhal , Ulas Bagci

In point cloud compression, sufficient contexts are significant for modeling the point cloud distribution. However, the contexts gathered by the previous voxel-based methods decrease when handling sparse point clouds. To address this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Chunyang Fu , Ge Li , Rui Song , Wei Gao , Shan Liu

Weakly supervised semantic segmentation (WSSS) based on image-level labels is challenging since it is hard to obtain complete semantic regions. To address this issue, we propose a self-training method that utilizes fused multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Guoqing Yang , Chuang Zhu , Yu Zhang

Semantic segmentation has achieved significant advances in recent years. While deep neural networks perform semantic segmentation well, their success rely on pixel level supervision which is expensive and time-consuming. Further, training…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Spoken content, such as online videos and podcasts, often spans multiple topics, which makes automatic topic segmentation essential for user navigation and downstream applications. However, current methods do not fully leverage acoustic…

Computation and Language · Computer Science 2026-02-09 Steffen Freisinger , Philipp Seeberger , Tobias Bocklet , Korbinian Riedhammer

State-of-the-art semantic image segmentation methods are mostly based on training deep convolutional neural networks (CNNs). In this work, we proffer to improve semantic segmentation with the use of contextual information. In particular, we…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Guosheng Lin , Chunhua Shen , Anton van den Hengel , Ian Reid

The performance of object instance segmentation in remote sensing images has been greatly improved through the introduction of many landmark frameworks based on convolutional neural network. However, the object densely issue still affects…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Yingchao Feng , Wenhui Diao , Zhonghan Chang , Menglong Yan , Xian Sun , Xin Gao

Geospatial object segmentation, as a particular semantic segmentation task, always faces with larger-scale variation, larger intra-class variance of background, and foreground-background imbalance in the high spatial resolution (HSR) remote…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Zhuo Zheng , Yanfei Zhong , Junjue Wang , Ailong Ma

High-resolution semantic segmentation requires substantial computational resources. Traditional approaches in the field typically downscale the input images before processing and then upscale the low-resolution outputs back to their…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Ritambhara Singh , Abhishek Jain , Pietro Perona , Shivani Agarwal , Junfeng Yang

Comprehensive scene understanding is a critical enabler of robot autonomy. Semantic segmentation is one of the key scene understanding tasks which is pivotal for several robotics applications including autonomous driving, domestic service…

Robotics · Computer Science 2024-01-17 Juana Valeria Hurtado , Abhinav Valada

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

Remote sensing solutions for avalanche segmentation and mapping are key to supporting risk forecasting and mitigation in mountain regions. Synthetic Aperture Radar (SAR) imagery from Sentinel-1 can be effectively used for this task, but…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Riccardo Gelato , Carlo Sgaravatti , Jakob Grahn , Giacomo Boracchi , Filippo Maria Bianchi

Many remote sensing applications employ masking of pixels in satellite imagery for subsequent measurements. For example, estimating water quality variables, such as Suspended Sediment Concentration (SSC) requires isolating pixels depicting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Rangel Daroya , Luisa Vieira Lucchese , Travis Simmons , Punwath Prum , Tamlin Pavelsky , John Gardner , Colin J. Gleason , Subhransu Maji