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Robustness against data inconsistencies, imaging artifacts and acquisition speed are crucial factors limiting the possible range of applications for magnetic resonance imaging (MRI). Therefore, we report a novel calibrationless parallel…

Transfer learning of diffusion models to smaller target domains is challenging, as naively fine-tuning the model often results in poor generalization. Test-time guidance methods help mitigate this by offering controllable improvements in…

Graphics · Computer Science 2026-01-21 Yara Bahram , Mohammadhadi Shateri , Eric Granger

This paper presents a neural network for robust normal estimation on point clouds, named AdaFit, that can deal with point clouds with noise and density variations. Existing works use a network to learn point-wise weights for weighted least…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Runsong Zhu , Yuan Liu , Zhen Dong , Tengping Jiang , Yuan Wang , Wenping Wang , Bisheng Yang

The diversity of building architecture styles of global cities situated on various landforms, the degraded optical imagery affected by clouds and shadows, and the significant inter-class imbalance of roof types pose challenges for designing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Guozhang Liu , Baochai Peng , Ting Liu , Pan Zhang , Mengke Yuan , Chaoran Lu , Ningning Cao , Sen Zhang , Simin Huang , Tao Wang

Vision-Language Models (VLMs) like CLIP offer promising solutions for Dynamic Facial Expression Recognition (DFER) but face challenges such as inefficient full fine-tuning, high complexity, and poor alignment between textual and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ibtissam Saadi , Abdenour Hadid , Douglas W. Cunningham , Abdelmalik Taleb-Ahmed , Yassin El Hillali

Multi-sensor fusion of multi-modal measurements from commodity inertial, visual and LiDAR sensors to provide robust and accurate 6DOF pose estimation holds great potential in robotics and beyond. In this paper, building upon our prior work…

Robotics · Computer Science 2020-08-18 Xingxing Zuo , Yulin Yang , Patrick Geneva , Jiajun Lv , Yong Liu , Guoquan Huang , Marc Pollefeys

Dynamic wavefront aberrations negatively impact a wide range of optical applications including astronomy, optical free-space telecommunications and bio-imaging. Wavefront errors can be compensated by an adaptive optics system comprised of a…

Prompt tuning introduces learnable prompt vectors that adapt pretrained vision-language models to downstream tasks in a parameter-efficient manner. However, under limited supervision, prompt tuning alters pretrained representations and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Xi Yang , Yuanrong Xu , Weigang Zhang , Guangming Lu , David Zhang , Jie Wen

Recent successes in deep learning based deformable image registration (DIR) methods have demonstrated that complex deformation can be learnt directly from data while reducing computation time when compared to traditional methods. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Sharib Ali , Jens Rittscher

Aims. We provide an easy-to-use full-spectrum fitting package and explore its applications to (i) the determination of the stellar atmospheric parameters and (ii) the study of the history of stellar populations. Methods. We developed ULySS,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 Mina Koleva , Philippe Prugniel , Antoine Bouchard , Yue Wu

Fiber Specklegram Sensors (FSS) are highly effective for environmental monitoring, particularly for detecting temperature variations. However, the nonlinear nature of specklegram data presents significant challenges for accurate temperature…

Image and Video Processing · Electrical Eng. & Systems 2025-11-20 Abhishek Sebastian

Parallel MRI is a fast imaging technique that enables the acquisition of highly resolved images in space. It relies on $k$-space undersampling and multiple receiver coils with complementary sensitivity profiles in order to reconstruct a…

Pansharpening aims to fuse high-resolution panchromatic (PAN) images with low-resolution multispectral (LRMS) images to generate high-resolution multispectral (HRMS) images. Although deep learning-based methods have achieved promising…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Zeyu Xia , Chenxi Sun , Tianyu Xin , Yubo Zeng , Haoyu Chen , Liang-Jian Deng

Deep-learning models have enabled performance leaps in analysis of high-dimensional functional MRI (fMRI) data. Yet, many previous methods are suboptimally sensitive for contextual representations across diverse time scales. Here, we…

Signal Processing · Electrical Eng. & Systems 2023-02-21 Hasan Atakan Bedel , Irmak Şıvgın , Onat Dalmaz , Salman Ul Hassan Dar , Tolga Çukur

The increasing integration of Distributed Energy Resources (DERs) into power systems necessitates the accurate representation of their dynamic behavior at the transmission level. Traditional electromagnetic transient models (EMT), while…

Systems and Control · Electrical Eng. & Systems 2025-11-10 Shadrack T. Asiedu , Tara Aryal , Zongjie Wang , Hossein Moradi Rekabdarkolaee , Timothy M. Hansen

Mobile mapping, in particular, Mobile Lidar Scanning (MLS) is increasingly widespread to monitor and map urban scenes at city scale with unprecedented resolution and accuracy. The resulting point cloud sampling of the scene geometry can be…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Teng Wu , Bruno Vallet , Cédric Demonceaux

Atmospheric wavefront prediction based on previous wavefront sensor measurements can greatly enhance the performance of adaptive optics systems. We propose an optimal linear approach based on the Empirical Orthogonal Functions (EOF)…

Instrumentation and Methods for Astrophysics · Physics 2017-07-04 Olivier Guyon , Jared Males

The large-scale pretrained model CLIP, trained on 400 million image-text pairs, offers a promising paradigm for tackling vision tasks, albeit at the image level. Later works, such as DenseCLIP and LSeg, extend this paradigm to dense…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Ke Jin , Wankou Yang

A system-on-chip (SoC) photonic-electronic linear-algebra accelerator with the features of wavelength-division-multiplexing (WDM) based broadband photodetections and high-dimensional matrix-inversion operations fabricated in advanced…

Systems and Control · Electrical Eng. & Systems 2024-02-14 Tzu-Chien Hsueh , Yeshaiahu Fainman , Bill Lin

The increased need in pointing performance for Earth observation and science Space missions together with the use of lighter and flexible structures directly come with the need of a robust pointing performance budget from the very beginning…

Systems and Control · Electrical Eng. & Systems 2022-10-25 Francesco Sanfedino , Gabriel Thiébaud , Daniel Alazard , Nicola Guercio , Nicolas Deslaef