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Material decomposition for imaging multiple contrast agents in a single acquisition has been made possible by spectral CT: a modality which incorporates multiple photon energy spectral sensitivities into a single data collection. This work…

医学物理 · 物理学 2020-08-11 Matthew Tivnan , Steven Tilley , J. Webster Stayman

Stereo matching for inland waterways is one of the key technologies for the autonomous navigation of Unmanned Surface Vehicles (USVs), which involves dividing the stereo images into reference images and target images for pixel-level…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Jing Su , Yiqing Zhou , Yu Zhang , Chao Wang , Yi Wei

Vision transformers (ViT) usually extract features via forwarding all the tokens in the self-attention layers from top to toe. In this paper, we introduce dynamic token-pass vision transformers (DoViT) for semantic segmentation, which can…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Yuang Liu , Qiang Zhou , Jing Wang , Fan Wang , Jun Wang , Wei Zhang

Monitoring urban tree dynamics is vital for supporting greening policies and reducing risks to electrical infrastructure. Airborne laser scanning has advanced large-scale tree management, but challenges remain due to complex urban…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Narges Takhtkeshha , Gabriele Mazzacca , Fabio Remondino , Juha Hyyppä , Gottfried Mandlburger

Decision tree (DT) attracts persistent research attention due to its impressive empirical performance and interpretability in numerous applications. However, the growth of traditional yet widely-used univariate decision trees (UDTs) is…

机器学习 · 计算机科学 2022-06-22 Dan Li , Songcan Chen

Recent advances in object detection are mainly driven by deep learning with large-scale detection benchmarks. However, the fully-annotated training set is often limited for a target detection task, which may deteriorate the performance of…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Hao Chen , Yali Wang , Guoyou Wang , Yu Qiao

After the great success of Vision Transformer variants (ViTs) in computer vision, it has also demonstrated great potential in domain adaptive semantic segmentation. Unfortunately, straightforwardly applying local ViTs in domain adaptive…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Runfa Chen , Yu Rong , Shangmin Guo , Jiaqi Han , Fuchun Sun , Tingyang Xu , Wenbing Huang

A central challenge in Bayesian inference is efficiently approximating posterior distributions. Stein Variational Gradient Descent (SVGD) is a popular variational inference method which transports a set of particles to approximate a target…

机器学习 · 统计学 2025-12-05 Moritz Melcher , Simon Weissmann , Ashia C. Wilson , Jakob Zech

Simulating high-resolution Synthetic Aperture Radar (SAR) images in complex scenes has consistently presented a significant research challenge. The development of a microwave-domain surface scattering model and its reversibility are poised…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jiangtao Wei , Yixiang Luomei , Xu Zhang , Feng Xu

Most feature-based stereo visual odometry (SVO) approaches estimate the motion of mobile robots by matching and tracking point features along a sequence of stereo images. However, in dynamic scenes mainly comprising moving pedestrians,…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Baosheng Zhang , Xiaoguang Ma , Hongjun Ma , Chunbo Luo

Vision-Language Models (VLMs) excel at zero-shot inference but often degrade under test-time domain shifts. For this reason, episodic test-time adaptation strategies have recently emerged as powerful techniques for adapting VLMs to a single…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Konstantinos M. Dafnis , Dimitris N. Metaxas

Level set methods are widely used for image segmentation because of their capability to handle topological changes. In this paper, we propose a novel parametric level set method called Disjunctive Normal Level Set (DNLS), and apply it to…

计算机视觉与模式识别 · 计算机科学 2016-06-27 Fitsum Mesadi , Mujdat Cetin , Tolga Tasdizen

The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning often yields suboptimal results. To overcome this…

声音 · 计算机科学 2025-06-27 Maxime Leiber , Yosra Marnissi , Axel Barrau , Sylvain Meignen , Laurent Massoulié

The evolution of diffusion models has greatly impacted video generation and understanding. Particularly, text-to-video diffusion models (VDMs) have significantly facilitated the customization of input video with target appearance, motion,…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Geon Yeong Park , Hyeonho Jeong , Sang Wan Lee , Jong Chul Ye

Constrained robot motion planning is a ubiquitous need for robots interacting with everyday environments, but it is a notoriously difficult problem to solve. Many sampled points in a sample-based planner need to be rejected as they fall…

机器人学 · 计算机科学 2023-09-28 Jacob J. Johnson , Ahmed H. Qureshi , Michael C. Yip

The ability to deploy robots that can operate safely in diverse environments is crucial for developing embodied intelligent agents. As a community, we have made tremendous progress in within-domain LiDAR semantic segmentation. However, do…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Cristiano Saltori , Aljoša Ošep , Elisa Ricci , Laura Leal-Taixé

Modifications on triplet loss that rescale the back-propagated gradients of special pairs have made significant progress on local descriptor learning. However, current gradient modulation strategies are mainly static so that they would…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Jiayi Ma , Yuxin Deng

We present a precise and complete procedure for processing spectral data observed by the 1-meter New Vacuum Solar Telescope (NVST). The procedure is suitable for both the sit-and-stare and raster-scan spectra. In this work, the geometric…

太阳与恒星天体物理 · 物理学 2017-10-18 Yunfang Cai , Zhi Xu , Zhenggang Li , Yongyuan Xiang , Yuchao Chen , Yu Fu , Kaifan Ji

Maneuvering target tracking will be an important service of future wireless networks to assist innovative applications such as intelligent transportation. However, tracking maneuvering targets by cellular networks faces many challenges. For…

信息论 · 计算机科学 2024-03-29 Lei Xie , Hengtao He , Shenghui Song , Yonina C. Eldar

Nitrogen (N) fertilizer is routinely applied by farmers to increase crop yields. At present, farmers often over-apply N fertilizer in some locations or at certain times because they do not have high-resolution crop N status data. N-use…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Xin Zhang , Liangxiu Han , Tam Sobeih , Lewis Lappin , Mark Lee , Andew Howard , Aron Kisdi