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Utilization of event-based cameras is expected to improve the visual quality of video frame interpolation solutions. We introduce a learning-based method to exploit moving region boundaries in a video sequence to increase the overall…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Ahmet Akman , Onur Selim Kılıç , A. Aydın Alatan

In this article we introduce a broad family of adaptive, linear time-frequency representations termed superposition frames, and show that they admit desirable fast overlap-add reconstruction properties akin to standard short-time Fourier…

数值分析 · 数学 2010-04-20 Daniel Rudoy , Prabahan Basu , Patrick J. Wolfe

Photosequencing aims to transform a motion blurred image to a sequence of sharp images. This problem is challenging due to the inherent ambiguities in temporal ordering as well as the recovery of lost spatial textures due to blur. Adopting…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Vijay Rengarajan , Shuo Zhao , Ruiwen Zhen , John Glotzbach , Hamid Sheikh , Aswin C. Sankaranarayanan

Image restoration aims to recover high-quality images from their corrupted counterparts. Many existing methods primarily focus on the spatial domain, neglecting the understanding of frequency variations and ignoring the impact of implicit…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Hu Gao , Depeng Dang

3D reconstruction is a fundamental issue in many applications and the feature point matching problem is a key step while reconstructing target objects. Conventional algorithms can only find a small number of feature points from two images…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Zhihao Fang , He Ma , Xuemin Zhu , Xutao Guo , Ruixin Zhou

Real-time rendering has been embracing ever-demanding effects, such as ray tracing. However, rendering such effects in high resolution and high frame rate remains challenging. Frame extrapolation methods, which don't introduce additional…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Songyin Wu , Deepak Vembar , Anton Sochenov , Selvakumar Panneer , Sungye Kim , Anton Kaplanyan , Ling-Qi Yan

In the past years, video communication has found its application in an increasing number of environments. Unfortunately, some of them are error-prone and the risk of block losses caused by transmission errors is ubiquitous. To reduce the…

图像与视频处理 · 电气工程与系统科学 2022-07-15 Jürgen Seiler , André Kaup

In this paper we explain a process of super-resolution reconstruction allowing to increase the resolution of an image.The need for high-resolution digital images exists in diverse domains, for example the medical and spatial domains. The…

图像与视频处理 · 电气工程与系统科学 2022-12-07 Sebastien Lablanche , Gerard Lablanche

Due to the factors like processing power limitations and channel capabilities images are often down sampled and transmitted at low bit rates resulting in a low resolution compressed image. High resolution images can be reconstructed from…

计算机视觉与模式识别 · 计算机科学 2011-03-01 Liyakathunisa , C. N . Ravi Kumar

An important theme in modern inverse problems is the reconstruction of time-dependent data from only finitely many measurements. To obtain satisfactory reconstruction results in this setting it is essential to strongly exploit temporal…

数值分析 · 数学 2024-03-14 Martin Holler , Alexander Schlüter , Benedikt Wirth

Feature pyramid network (FPN) has been an effective framework to extract multi-scale features in object detection. However, current FPN-based methods mostly suffer from the intrinsic flaw of channel reduction, which brings about the loss of…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Yihao Luo , Xiang Cao , Juntao Zhang , Xiang Cao , Jingjuan Guo , Haibo Shen , Tianjiang Wang , Qi Feng

Mean squared error (MSE) is one of the most widely used metrics to expression differences between multi-dimensional entities, including images. However, MSE is not locally sensitive as it does not take into account the spatial arrangement…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Amogh Gudi , Fritjof Büttner , Jan van Gemert

Few-shot object detection (FSOD) for optical remote sensing images aims to detect rare objects with only a few annotated bounding boxes. The limited training data makes it difficult to represent the data distribution of realistic remote…

图像与视频处理 · 电气工程与系统科学 2025-07-30 Yanxing Liu , Jiancheng Pan , Bingchen Zhang

State-of-the-art super-resolution (SR) algorithms require significant computational resources to achieve real-time throughput (e.g., 60Mpixels/s for HD video). This paper introduces FAST (Free Adaptive Super-resolution via Transfer), a…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Zhengdong Zhang , Vivienne Sze

A common distortion in videos is image instability in the form of chaotic (global and local displacements). Those instabilities can be used to enhance image resolution by using subpixel elastic registration. In this work, we investigate the…

光学 · 物理学 2013-02-28 Gil Shabat

Images captured under extremely low light conditions are noise-limited, which can cause existing robotic vision algorithms to fail. In this paper we develop an image processing technique for aiding 3D reconstruction from images acquired in…

机器人学 · 计算机科学 2021-08-24 Ahalya Ravendran , Mitch Bryson , Donald G. Dansereau

We propose Frequency-Guided Attention (FGA), a lightweight upsampling module for single image super-resolution. Conventional upsamplers, such as Sub-Pixel Convolution, are efficient but frequently fail to reconstruct high-frequency details…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Daejune Choi , Youchan No , Jinhyung Lee , Duksu Kim

In example-based super-resolution, the function relating low-resolution images to their high-resolution counterparts is learned from a given dataset. This data-driven approach to solving the inverse problem of increasing image resolution…

图像与视频处理 · 电气工程与系统科学 2018-12-05 Alexander Robey , Vidya Ganapati

The past few years have witnessed great success in applying deep learning to enhance the quality of compressed image/video. The existing approaches mainly focus on enhancing the quality of a single frame, ignoring the similarity between…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Ren Yang , Mai Xu , Zulin Wang , Tianyi Li

Compressed Sensing (CS) facilitates rapid image acquisition by selecting a small subset of measurements sufficient for high-fidelity reconstruction. Adaptive CS seeks to further enhance this process by dynamically choosing future…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Noam Elata , Tomer Michaeli , Michael Elad