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A fast explicit operator splitting (FEOS) method for the molecular beam epitaxy model has been presented in [Cheng, et al., Fast and stable explicit operator splitting methods for phase-field models, J. Comput. Phys., submitted]. The…

Numerical Analysis · Mathematics 2015-11-30 Xiao Li , Zhonghua Qiao , Hui Zhang

Printed Mathematical expression recognition (PMER) aims to transcribe a printed mathematical expression image into a structural expression, such as LaTeX expression. It is a crucial task for many applications, including automatic question…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Yingnan Fu , Tingting Liu , Ming Gao , Aoying Zhou

High quality AI solutions require joint optimization of AI algorithms and their hardware implementations. In this work, we are the first to propose a fully simultaneous, efficient differentiable DNN architecture and implementation co-search…

Machine Learning · Computer Science 2020-05-07 Yuhong Li , Cong Hao , Xiaofan Zhang , Xinheng Liu , Yao Chen , Jinjun Xiong , Wen-mei Hwu , Deming Chen

We propose a space-efficient algorithm for hidden surface removal that combines one of the fastest previous algorithms for that problem with techniques based on bit manipulation. Such techniques had been successfully used in other settings,…

Computational Geometry · Computer Science 2017-01-10 Frank Kammer , Maarten Löffler , Rodrigo I. Silveira

Unsupervised segmentation approaches have increasingly leveraged foundation models (FM) to improve salient object discovery. However, these methods often falter in scenes with complex, multi-component morphologies, where fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Deepank Singh , Anurag Nihal , Vedhus Hoskere

Medical image segmentation is vital for diagnosis, treatment planning, and disease monitoring but is challenged by complex factors like ambiguous edges and background noise. We introduce EEMS, a new model for segmentation, combining an…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Han Xia , Quanjun Li , Qian Li , Zimeng Li , Hongbin Ye , Yupeng Liu , Haolun Li , Xuhang Chen

Cell nuclei segmentation is one of the most important tasks in the analysis of biomedical images. With ever-growing sizes and amounts of three-dimensional images to be processed, there is a need for better and faster segmentation methods.…

Computer Vision and Pattern Recognition · Computer Science 2017-02-20 Julian Arz , Peter Sanders , Johannes Stegmaier , Ralf Mikut

We investigate sublinear-time algorithms that take partially erased graphs represented by adjacency lists as input. Our algorithms make degree and neighbor queries to the input graph and work with a specified fraction of adversarial…

Data Structures and Algorithms · Computer Science 2020-12-01 Amit Levi , Ramesh Krishnan S. Pallavoor , Sofya Raskhodnikova , Nithin Varma

In clinical imaging, magnetic resonance (MR) image volumes are often acquired as stacks of 2D slices with decreased scan times, improved signal-to-noise ratio, and image contrasts unique to 2D MR pulse sequences. While this is sufficient…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Samuel W. Remedios , Shuwen Wei , Shuo Han , Jinwei Zhang , Aaron Carass , Kurt G. Schilling , Dzung L. Pham , Jerry L. Prince , Blake E. Dewey

Recently, MapReduce based spatial query systems have emerged as a cost effective and scalable solution to large scale spatial data processing and analytics. MapReduce based systems achieve massive scalability by partitioning the data and…

Databases · Computer Science 2015-09-04 Ablimit Aji , Vo Hoang , Fusheng Wang

Clustering is one of the major tasks in data mining. In the last few years, Clustering of spatial data has received a lot of research attention. Spatial databases are components of many advanced information systems like geographic…

Databases · Computer Science 2012-06-04 Mohamed A. El-Zawawy

We consider the problem of segmenting cell nuclei instances from Hematoxylin and Eosin (H&E) stains with weak supervision. While most recent works focus on improving the segmentation quality, this is usually insufficient for instance…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Lin Geng Foo , Rui En Ho , Jiamei Sun , Alexander Binder

In this paper, we explore optimization-based and data-driven solutions in a reconfigurable intelligent surface (RIS)-aided multi-user mobile edge computing (MEC) system, where the user equipment (UEs) can partially offload their computation…

Signal Processing · Electrical Eng. & Systems 2021-02-16 Xiaoyan Hu , Christos Masouros , Kai-Kit Wong

As AI inference becomes mainstream, research has begun to focus on improving the energy consumption of inference servers. Inference kernels commonly underutilize a GPU's compute resources and waste power from idling components. To improve…

Systems and Control · Electrical Eng. & Systems 2025-06-17 Ryan Quach , Yidi Wang , Ali Jahanshahi , Daniel Wong , Hyoseung Kim

Proper segmentation of organs-at-risk is important for radiation therapy, surgical planning, and diagnostic decision-making in medical image analysis. While deep learning-based segmentation architectures have made significant progress, they…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Riad Hassan , M. Rubaiyat Hossain Mondal , Sheikh Iqbal Ahamed , Fahad Mostafa , Md Mostafijur Rahman

3D Gaussian Splatting reconstructs scenes by starting from a sparse Structure-from-Motion initialization and refining under-reconstructed regions. This process is slow, as it requires multiple densification steps where Gaussians are…

Graphics · Computer Science 2026-02-13 Dmytro Kotovenko , Olga Grebenkova , Björn Ommer

This paper presents new parallel algorithms for generating Euclidean minimum spanning trees and spatial clustering hierarchies (known as HDBSCAN$^*$). Our approach is based on generating a well-separated pair decomposition followed by using…

Data Structures and Algorithms · Computer Science 2021-04-05 Yiqiu Wang , Shangdi Yu , Yan Gu , Julian Shun

Video processing for real-time analytics in resource-constrained environments presents a significant challenge in balancing energy consumption and video semantics. This paper addresses the problem of energy-efficient video processing by…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Benjamin Civjan , Bo Chen , Ruixiao Zhang , Klara Nahrstedt

Partitioning and distributing deep neural networks (DNNs) across end-devices, edge resources and the cloud has a potential twofold advantage: preserving privacy of the input data, and reducing the ingress bandwidth demand beyond the edge.…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-18 Luke Lockhart , Paul Harvey , Pierre Imai , Peter Willis , Blesson Varghese

This study introduces a lightweight U-Net model optimized for real-time semantic segmentation of aerial images, targeting the efficient utilization of Commercial Off-The-Shelf (COTS) embedded computing platforms. We maintain the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Julien Posso , Hugo Kieffer , Nicolas Menga , Omar Hlimi , Sébastien Tarris , Hubert Guerard , Guy Bois , Matthieu Couderc , Eric Jenn