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We propose a compressive sensing algorithm that exploits geometric properties of images to recover images of high quality from few measurements. The image reconstruction is done by iterating the two following steps: 1) estimation of normal…

计算机视觉与模式识别 · 计算机科学 2015-06-11 Virginia Estellers , Jean-Philippe Thiran , Xavier Bresson

Humans can robustly recognize and localize objects by using visual and/or auditory cues. While machines are able to do the same with visual data already, less work has been done with sounds. This work develops an approach for scene…

声音 · 计算机科学 2022-03-01 Dengxin Dai , Arun Balajee Vasudevan , Jiri Matas , Luc Van Gool

Image denoising is a well-known and well studied problem, commonly targeting a minimization of the mean squared error (MSE) between the outcome and the original image. Unfortunately, especially for severe noise levels, such Minimum MSE…

图像与视频处理 · 电气工程与系统科学 2021-09-01 Bahjat Kawar , Gregory Vaksman , Michael Elad

We present a technique for dense 3D reconstruction of objects using an imaging sonar, also known as forward-looking sonar (FLS). Compared to previous methods that model the scene geometry as point clouds or volumetric grids, we represent…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Mohamad Qadri , Michael Kaess , Ioannis Gkioulekas

We present a novel, reflection-aware method for 3D sound localization in indoor environments. Unlike prior approaches, which are mainly based on continuous sound signals from a stationary source, our formulation is designed to localize the…

声音 · 计算机科学 2017-11-22 Inkyu An , Myungbae Son , Dinesh Manocha , Sung-eui Yoon

Singing voice synthesis (SVS) aims to generate expressive and high-quality vocals from musical scores, requiring precise modeling of pitch, duration, and articulation. While diffusion-based models have achieved remarkable success in image…

声音 · 计算机科学 2025-06-27 Kehan Sui , Jinxu Xiang , Fang Jin

The appearance of an object is significantly affected by the illumination conditions in the environment. This is more evident with strong reflective objects as they suffer from more dominant specular reflections, causing information loss…

计算机视觉与模式识别 · 计算机科学 2019-12-18 Samar M. Alsaleh , Angelica I. Aviles-Rivero , Noemie Debroux , James K. Hahn

This paper discusses the noisy phase retrieval problem: recovering a complex image signal with independent noise from quadratic measurements. Inspired by the dark fringes shown in the measured images of the array detector, a novel phase…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Wen-Kai Yu , An-Dong Xiong , Xu-Ri Yao , Guang-Jie Zhai , Qing Zhao

We investigate the inverse source problem for the wave equation, arising in photo- and thermoacoustic tomography. There exist quite a few theoretically exact inversion formulas explicitly expressing solution of this problem in terms of the…

偏微分方程分析 · 数学 2018-08-01 Ngoc Do , Leonid Kunyansky

With the advancement of technology, we have supercomputers with high processing power and affordable prices. In addition, using multimedia expanded all around the world. This caused a vast use of images and videos in different fields. As…

多媒体 · 计算机科学 2021-05-20 Shahrokh Paravarzar , Javaneh Alavi

The problem of reconstruction of digital images from their degraded measurements is regarded as a problem of central importance in various fields of engineering and imaging sciences. In such cases, the degradation is typically caused by the…

计算机视觉与模式识别 · 计算机科学 2010-01-06 E. Shaked , O. Michailovich

Nowadays, three-dimensional reconstruction is used in various fields like computer vision, computer graphics, mixed reality and digital twin. The three-dimensional reconstruction of cultural heritage objects is one of the most important…

计算机视觉与模式识别 · 计算机科学 2024-06-24 F. S. Mortazavi , M. Saadatseresht

Surface topography refers to the geometric micro-structure of a surface and defines its tactile characteristics (typically in the sub-millimeter range). High-resolution 3D scanning techniques developed recently enable the 3D reconstruction…

计算机视觉与模式识别 · 计算机科学 2015-05-07 Matthias Zeppelzauer , Markus Seidl

Binaural audio provides human listeners with an immersive spatial sound experience, but most existing videos lack binaural audio recordings. We propose an audio spatialization method that draws on visual information in videos to convert…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Rishabh Garg , Ruohan Gao , Kristen Grauman

We study an approach to solving the phase retrieval problem as it arises in a phase-less imaging modality known as ptychography. In ptychography, small overlapping sections of an unknown sample (or signal, say $x_0\in \mathbb{C}^d$) are…

数值分析 · 数学 2019-10-09 Brian Preskitt , Rayan Saab

Recovering the 3D shape of transparent objects using a small number of unconstrained natural images is an ill-posed problem. Complex light paths induced by refraction and reflection have prevented both traditional and deep multiview stereo…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Zhengqin Li , Yu-Ying Yeh , Manmohan Chandraker

This paper introduces a novel data-driven strategy for synthesizing gramophone noise audio textures. A diffusion probabilistic model is applied to generate highly realistic quasiperiodic noises. The proposed model is designed to generate…

音频与语音处理 · 电气工程与系统科学 2022-07-01 Eloi Moliner , Vesa Välimäki

All techniques for denoising involve a notion of a true (noise-free) image, and a hypothesis space. The hypothesis space may reconstruct the image directly as a grayscale valued function, or indirectly by its Fourier or wavelet spectrum.…

图像与视频处理 · 电气工程与系统科学 2025-05-29 Sajal Chakroborty , Suddhasattwa Das

A long-standing goal in the field of sensory substitution is to enable sound perception for deaf and hard of hearing (DHH) people by visualizing audio content. Different from existing models that translate to hand sign language, between…

人机交互 · 计算机科学 2023-02-15 Chunjin Song , Yuchi Zhang , Willis Peng , Parmis Mohaghegh , Bastian Wandt , Helge Rhodin

The acquisition of high-resolution retinal fundus images with a large field of view (FOV) is challenging due to technological, physiological and economic reasons. This paper proposes a fully automatic framework to reconstruct retinal images…

计算机视觉与模式识别 · 计算机科学 2016-02-11 Thomas Köhler , Axel Heinrich , Andreas Maier , Joachim Hornegger , Ralf P. Tornow