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As is expressed in the adage "a picture is worth a thousand words", when using spoken language to communicate visual information, brevity can be a challenge. This work describes a novel technique for leveraging machine-learned feature…

音频与语音处理 · 电气工程与系统科学 2021-08-27 Andrew Port , Chelhwon Kim , Mitesh Patel

As ground-based all-sky astronomical surveys will gather millions of images in the coming years, a critical requirement emerges for the development of fast deconvolution algorithms capable of efficiently improving the spatial resolution of…

天体物理仪器与方法 · 物理学 2024-07-31 Utsav Akhaury , Pascale Jablonka , Jean-Luc Starck , Frédéric Courbin

Deployment of deep learning models in robotics as sensory information extractors can be a daunting task to handle, even using generic GPU cards. Here, we address three of its most prominent hurdles, namely, i) the adaptation of a single…

计算机视觉与模式识别 · 计算机科学 2019-02-28 Vladimir Nekrasov , Thanuja Dharmasiri , Andrew Spek , Tom Drummond , Chunhua Shen , Ian Reid

Recent developments in the remote sensing systems and image processing made it possible to propose a new method of the object classification and detection of the specific changes in the series of satellite Earth images (so called targeted…

计算机视觉与模式识别 · 计算机科学 2018-03-16 Vladimir Ignatiev , Alexey Trekin , Viktor Lobachev , Georgy Potapov , Evgeny Burnaev

Synthetic aperture radar (SAR) images are affected by a spatially-correlated and signal-dependent noise called speckle, which is very severe and may hinder image exploitation. Despeckling is an important task that aims at removing such…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Giulia Fracastoro , Enrico Magli , Giovanni Poggi , Giuseppe Scarpa , Diego Valsesia , Luisa Verdoliva

Eye image segmentation is a critical step in eye tracking that has great influence over the final gaze estimate. Segmentation models trained using supervised machine learning can excel at this task, their effectiveness is determined by the…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Viet Dung Nguyen , Reynold Bailey , Gabriel J. Diaz , Chengyi Ma , Alexander Fix , Alexander Ororbia

This paper proposes fast and novel methods to jointly estimate the target's unknown 3D shape and dynamics. Measurements are noisy and sparsely distributed 3D points from a light detection and ranging (LiDAR) sensor. The methods utilize…

信号处理 · 电气工程与系统科学 2020-02-05 Benjamin Naujoks , Patrick Burger , Hans-Joachim Wuensche

Reliably detecting diseases using relevant biological information is crucial for real-world applicability of deep learning techniques in medical imaging. We debias deep learning models during training against unknown bias - without…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Simon Langer , Oliver Taubmann , Felix Denzinger , Andreas Maier , Alexander Mühlberg

The process of decomposing target images into their internal properties is a difficult task due to the inherent ill-posed nature of the problem. The lack of data required to train a network is a one of the reasons why the decomposing…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Mingi Lim , Sung-eui Yoon

We present our results from training and evaluating a convolutional neural network (CNN) to predict galaxy shapes from wide-field survey images of the first data release of the Dark Energy Survey (DES DR1). We use conventional shape…

宇宙学与河外天体物理 · 物理学 2019-09-25 Dezső Ribli , László Dobos , István Csabai

Statistical shape modeling (SSM) is an enabling quantitative tool to study anatomical shapes in various medical applications. However, directly using 3D images in these applications still has a long way to go. Recent deep learning methods…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Abu Zahid Bin Aziz , Jadie Adams , Shireen Elhabian

Modelling the propagation of electromagnetic wireless signals is critical for designing modern communication systems. Wireless ray tracing simulators model signal propagation based on the 3D geometry and other scene parameters, but their…

机器学习 · 计算机科学 2024-10-08 Thomas Hehn , Markus Peschl , Tribhuvanesh Orekondy , Arash Behboodi , Johann Brehmer

In this paper, we investigate a deep learning approach for speech denoising through an efficient ensemble of specialist neural networks. By splitting up the speech denoising task into non-overlapping subproblems and introducing a…

音频与语音处理 · 电气工程与系统科学 2020-08-11 Aswin Sivaraman , Minje Kim

We aim to determine some physical properties of distant galaxies (for example, stellar mass, star formation history, or chemical enrichment history) from their observed spectra, using supervised machine learning methods. We know that…

天体物理仪器与方法 · 物理学 2020-12-02 Viviana Acquaviva , Chistopher Lovell , Emille Ishida

Model stitching (Lenc & Vedaldi 2015) is a compelling methodology to compare different neural network representations, because it allows us to measure to what degree they may be interchanged. We expand on a previous work from Bansal,…

机器学习 · 计算机科学 2023-09-04 Adriano Hernandez , Rumen Dangovski , Peter Y. Lu , Marin Soljacic

Metasurfaces have provided a novel and promising platform for the realization of compact and large-scale optical devices. The conventional metasurface design approach assumes periodic boundary conditions for each element, which is…

From the nature of dark matter to the rate of expansion of our Universe, observations of distant galaxies distorted through strong gravitational lensing have the potential to answer some of the major open questions in astrophysics. Modeling…

宇宙学与河外天体物理 · 物理学 2022-10-18 Siddharth Mishra-Sharma , Ge Yang

Diffusion models achieve remarkable quality in image generation, but at a cost. Iterative denoising requires many time steps to produce high fidelity images. We argue that the denoising process is crucially limited by an accumulation of the…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Hui Lu , Albert ali Salah , Ronald Poppe

The inevitable feature deviation of synthetic aperture radar (SAR) image due to the special imaging principle (depression angle variation) leads to poor recognition accuracy, especially in few-shot learning (FSL). To deal with this problem,…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Xiangyu Zhou , Qianru Wei , Yuhui Zhang

In this paper, we propose DeepCut, a method to obtain pixelwise object segmentations given an image dataset labelled with bounding box annotations. It extends the approach of the well-known GrabCut method to include machine learning by…

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