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Videos typically record the streaming and continuous visual data as discrete consecutive frames. Since the storage cost is expensive for videos of high fidelity, most of them are stored in a relatively low resolution and frame rate. Recent…

图像与视频处理 · 电气工程与系统科学 2022-06-10 Zeyuan Chen , Yinbo Chen , Jingwen Liu , Xingqian Xu , Vidit Goel , Zhangyang Wang , Humphrey Shi , Xiaolong Wang

Deep learning (DL) methods have been extensively applied to various image recovery problems, including magnetic resonance imaging (MRI) and computed tomography (CT) reconstruction. Beyond supervised models, other approaches have been…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Shijun Liang , Ismail Alkhouri , Qing Qu , Rongrong Wang , Saiprasad Ravishankar

The recent research explosion around implicit neural representations, such as NeRF, shows that there is immense potential for implicitly storing high-quality scene and lighting information in compact neural networks. However, one major…

Deep learning (DL) has led to significant improvements in medical image synthesis, enabling advanced image-to-image translation to generate synthetic images. However, DL methods face challenges such as domain shift and high demands for…

图像与视频处理 · 电气工程与系统科学 2024-02-20 Savannah P. Hays , Lianrui Zuo , Yihao Liu , Anqi Feng , Jiachen Zhuo , Jerry L. Prince , Aaron Carass

Digital artists often improve the aesthetic quality of digital photographs through manual retouching. Beyond global adjustments, professional image editing programs provide local adjustment tools operating on specific parts of an image.…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Sean Moran , Pierre Marza , Steven McDonagh , Sarah Parisot , Gregory Slabaugh

Biologically plausible and energy-efficient frameworks such as Spiking Neural Networks (SNNs) have not been sufficiently explored in low-level vision tasks. Taking image deraining as an example, this study addresses the representation of…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Shuang Chen , Tomas Krajnik , Farshad Arvin , Amir Atapour-Abarghouei

Implicit neural representations (INRs) have emerged as a powerful tool for compressing large-scale volume data. This opens up new possibilities for in situ visualization. However, the efficient application of INRs to distributed data…

分布式、并行与集群计算 · 计算机科学 2024-07-23 Qi Wu , Joseph A. Insley , Victor A. Mateevitsi , Silvio Rizzi , Michael E. Papka , Kwan-Liu Ma

In recent years, huge progress has been made on learning neural implicit representations from multi-view images for 3D reconstruction. As an additional input complementing coordinates, using sinusoidal functions as positional encodings…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Sijia Jiang , Jing Hua , Zhizhong Han

Implicit Neural Representations (INRs) have emerged as a paradigm in knowledge representation, offering exceptional flexibility and performance across a diverse range of applications. INRs leverage multilayer perceptrons (MLPs) to model…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Amer Essakine , Yanqi Cheng , Chun-Wun Cheng , Lipei Zhang , Zhongying Deng , Lei Zhu , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

Despite the tremendous progress in neural radiance fields (NeRF), we still face a dilemma of the trade-off between quality and efficiency, e.g., MipNeRF presents fine-detailed and anti-aliased renderings but takes days for training, while…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Wenbo Hu , Yuling Wang , Lin Ma , Bangbang Yang , Lin Gao , Xiao Liu , Yuewen Ma

Dynamic imaging is essential for analyzing various biological systems and behaviors but faces two main challenges: data incompleteness and computational burden. For many imaging systems, high frame rates and short acquisition times require…

图像与视频处理 · 电气工程与系统科学 2024-06-12 Luke Lozenski , Mark A. Anastasio , Umberto Villa

For collecting high-quality high-resolution (HR) MR image, we propose a novel image reconstruction network named IREM, which is trained on multiple low-resolution (LR) MR images and achieve an arbitrary up-sampling rate for HR image…

图像与视频处理 · 电气工程与系统科学 2021-06-30 Qing Wu , Yuwei Li , Lan Xu , Ruiming Feng , Hongjiang Wei , Qing Yang , Boliang Yu , Xiaozhao Liu , Jingyi Yu , Yuyao Zhang

NeRF-based techniques fit wide and deep multi-layer perceptrons (MLPs) to a continuous radiance field that can be rendered from any unseen viewpoint. However, the lack of surface and normals definition and high rendering times limit their…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Stefano Esposito , Daniele Baieri , Stefan Zellmann , André Hinkenjann , Emanuele Rodolà

Image compression, as one of the fundamental low-level image processing tasks, is very essential for computer vision. Tremendous computing and storage resources can be preserved with a trivial amount of visual information. Conventional…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Zhaohui Yang , Yunhe Wang , Chang Xu , Peng Du , Chao Xu , Chunjing Xu , Qi Tian

Image Representation learning via input reconstruction is a common technique in machine learning for generating representations that can be effectively utilized by arbitrary downstream tasks. A well-established approach is using…

神经与进化计算 · 计算机科学 2025-06-10 Raoof HojatJalali , Edmondo Trentin

Image projection systems must be efficient in data storage, computation and transmission while maintaining a large space-bandwidth-product (SBP) at their output. Here, we introduce a hybrid image projection system that achieves extended…

光学 · 物理学 2025-10-07 Hanlong Chen , Cagatay Isil , Tianyi Gan , Mona Jarrahi , Aydogan Ozcan

Reconstructing general dynamic scenes is important for many computer vision and graphics applications. Recent works represent the dynamic scene with neural radiance fields for photorealistic view synthesis, while their surface geometry is…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Decai Chen , Haofei Lu , Ingo Feldmann , Oliver Schreer , Peter Eisert

The long-tailed distribution is a common phenomenon in the real world. Extracted large scale image datasets inevitably demonstrate the long-tailed property and models trained with imbalanced data can obtain high performance for the…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Konstantinos Panagiotis Alexandridis , Shan Luo , Anh Nguyen , Jiankang Deng , Stefanos Zafeiriou

The integral image, an intermediate image representation, has found extensive use in multi-scale local feature detection algorithms, such as Speeded-Up Robust Features (SURF), allowing fast computation of rectangular features at constant…

计算机视觉与模式识别 · 计算机科学 2015-10-20 Shoaib Ehsan , Adrian F. Clark , Naveed ur Rehman , Klaus D. McDonald-Maier

High Resolution (HR) medical images provide rich anatomical structure details to facilitate early and accurate diagnosis. In MRI, restricted by hardware capacity, scan time, and patient cooperation ability, isotropic 3D HR image acquisition…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Qing Wu , Yuwei Li , Yawen Sun , Yan Zhou , Hongjiang Wei , Jingyi Yu , Yuyao Zhang
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