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Continued demand for accurate and computationally efficient transport methods to solve optically thick, fixed-source transport problems has inspired research on variance-reduction (VR) techniques for Monte Carlo (MC). Methods that use…

数值分析 · 计算机科学 2015-02-18 S. C. Wilson , R. N. Slaybaugh

In wireless networks, an essential step for precise range-based localization is the high-resolution estimation of multipath channel delays. The resolution of traditional delay estimation algorithms is inversely proportional to the bandwidth…

信号处理 · 电气工程与系统科学 2021-11-23 Tarik Kazaz , Gerard J. M. Janssen , Jac Romme , Alle-Jan Van der Veen

Frequency Modulated Continuous Wave (FMCW) radar has been widely applied in automotive anti-collision systems, automatic cruise control, and indoor monitoring. However, conventional analog-to-digital converters (ADCs) can suffer from…

信号处理 · 电气工程与系统科学 2023-12-27 Qi Zhang , Jiang Zhu , Fengzhong Qu , De Wen Soh

The bottom-up saliency, an early stage of humans' visual attention, can be considered as a binary classification problem between center and surround classes. Discriminant power of features for the classification is measured as mutual…

计算机视觉与模式识别 · 计算机科学 2013-01-18 Anh Cat Le Ngo , Kenneth Ang Li-Minn , Guoping Qiu , Jasmine Seng Kah-Phooi

We tackle the problem of graph partitioning for image segmentation using correlation clustering (CC), which we treat as an integer linear program (ILP). We reformulate optimization in the ILP so as to admit efficient optimization via…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Margret Keuper , Jovita Lukasik , Maneesh Singh , Julian Yarkony

Medical image segmentation is fundamental for computer-aided diagnostics, providing accurate delineation of anatomical structures and pathological regions. While common metrics such as Accuracy, DSC, IoU, and HD primarily quantify spatial…

图像与视频处理 · 电气工程与系统科学 2025-06-16 Wenhao Liang , Wei Zhang , Lin Yue , Miao Xu , Olaf Maennel , Weitong Chen

The appearance of microcalcifications in mammograms is one of the early signs of breast cancer. So, early detection of microcalcification clusters (MCCs) in mammograms can be helpful for cancer diagnosis and better treatment of breast…

计算机视觉与模式识别 · 计算机科学 2012-01-31 Hajar Moradmand , Saeed Setayeshi , Hossein Khazaei Targhi

This study introduces an efficacious approach, Masked Collaborative Contrast (MCC), to highlight semantic regions in weakly supervised semantic segmentation. MCC adroitly draws inspiration from masked image modeling and contrastive learning…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Fangwen Wu , Jingxuan He , Yufei Yin , Yanbin Hao , Gang Huang , Lechao Cheng

To embed structured knowledge within labels into feature representations, prior work [Zeng et al., 2022] proposed to use the Cophenetic Correlation Coefficient (CPCC) as a regularizer during supervised learning. This regularizer calculates…

机器学习 · 计算机科学 2025-04-22 Siqi Zeng , Sixian Du , Makoto Yamada , Han Zhao

We introduce a revised derivation of the bitwise Markov Chain Monte Carlo (MCMC) multiple-input multiple-output (MIMO) detector. The new approach resolves the previously reported high SNR stalling problem of MCMC without the need for…

信息论 · 计算机科学 2017-07-13 Jonathan C. Hedstrom , Chung Him , Yuen , Rong-Rong Chen , Behrouz Farhang-Boroujeny

Medical image segmentation has played an important role in medical analysis and widely developed for many clinical applications. Deep learning-based approaches have achieved high performance in semantic segmentation but they are limited to…

图像与视频处理 · 电气工程与系统科学 2020-12-07 Ngan Le , Trung Le , Kashu Yamazaki , Toan Duc Bui , Khoa Luu , Marios Savides

Despite the remarkable progress, weakly supervised segmentation approaches are still inferior to their fully supervised counterparts. We obverse the performance gap mainly comes from their limitation on learning to produce high-quality…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Yunchao Wei , Huaxin Xiao , Honghui Shi , Zequn Jie , Jiashi Feng , Thomas S. Huang

Constructing high-definition (HD) maps is a crucial requirement for enabling autonomous driving. In recent years, several map segmentation algorithms have been developed to address this need, leveraging advancements in Bird's-Eye View (BEV)…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Peijin Jia , Tuopu Wen , Ziang Luo , Mengmeng Yang , Kun Jiang , Zhiquan Lei , Xuewei Tang , Ziyuan Liu , Le Cui , Bo Zhang , Long Huang , Diange Yang

Displaced automotive sensor imaging exploits joint processing of the data acquired from multiple radar units, each of which may have limited individual resources, to enhance the localization accuracy. Prior works either consider perfect…

信号处理 · 电气工程与系统科学 2020-10-09 Guohua Wang , Kumar Vijay Mishra

We propose a novel loss function for imbalanced classification. LDAM loss, which minimizes a margin-based generalization bound, is widely utilized for class-imbalanced image classification. Although, by using LDAM loss, it is possible to…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Sota Kato , Kazuhiro Hotta

Effective cross-modal retrieval requires robust alignment of heterogeneous data types. Most existing methods focus on bi-modal retrieval tasks and rely on distributional alignment techniques such as Kullback-Leibler divergence, Maximum Mean…

信息检索 · 计算机科学 2025-09-29 Jiahao Zhang , Wenzhe Yin , Shujian Yu

Current CNN-based solutions to salient object detection (SOD) mainly rely on the optimization of cross-entropy loss (CELoss). Then the quality of detected saliency maps is often evaluated in terms of F-measure. In this paper, we investigate…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Kai Zhao , Shanghua Gao , Wenguan Wang , Ming-Ming Cheng

Deep vision classifiers often achieve high accuracy while remaining poorly calibrated and fragile under small distribution shifts. We present Margin and Consistency Supervision (MaCS), a simple, architecture-agnostic regularization…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Salim Khazem

State-of-the-art pre-trained image models predominantly adopt a two-stage approach: initial unsupervised pre-training on large-scale datasets followed by task-specific fine-tuning using Cross-Entropy loss~(CE). However, it has been…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Zijun Long , George Killick , Lipeng Zhuang , Gerardo Aragon-Camarasa , Zaiqiao Meng , Richard Mccreadie

Weakly supervised semantic segmentation (WSSS) methods using class labels often rely on class activation maps (CAMs) to localize objects. However, traditional CAM-based methods struggle with partial activations and imprecise object…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Dewen Zeng , Xinrong Hu , Yu-Jen Chen , Yawen Wu , Xiaowei Xu , Yiyu Shi
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