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Reusing features in deep networks through dense connectivity is an effective way to achieve high computational efficiency. The recent proposed CondenseNet has shown that this mechanism can be further improved if redundant features are…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Le Yang , Haojun Jiang , Ruojin Cai , Yulin Wang , Shiji Song , Gao Huang , Qi Tian

Light field photography enables to record 4D images, containing angular information alongside spatial information of the scene. One of the important applications of light field imaging is post-capture refocusing. Current methods require for…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Shachar Ben Dayan , David Mendlovic , Raja Giryes

Ultrafast ultrasound imaging remains an active area of interest in the ultrasound community due to its ultra-high frame rates. Recently, a wide variety of studies based on deep learning have sought to improve ultrafast ultrasound imaging.…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Jingfeng Lu , Fabien Millioz , Damien Garcia , Sebastien Salles , Dong Ye , Denis Friboulet

Coherent X-ray photons with energies higher than 50 keV offer new possibilities for imaging nanoscale lattice distortions in bulk crystalline materials using Bragg peak phase retrieval methods. However, the compression of reciprocal space…

Conventional Fourier-domain Optical Coherence Tomography (FD-OCT) systems depend on resampling into wavenumber (k) domain to extract the depth profile. This either necessitates additional hardware resources or amplifies the existing…

光学 · 物理学 2025-09-24 Maryam Viqar , Erdem Sahin , Elena Stoykova , Violeta Madjarova

Point cloud obtained from 3D scanning is often sparse, noisy, and irregular. To cope with these issues, recent studies have been separately conducted to densify, denoise, and complete inaccurate point cloud. In this paper, we advocate that…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Jaesung Choe , Byeongin Joung , Francois Rameau , Jaesik Park , In So Kweon

In computed tomography (CT), data truncation is a common problem. Images reconstructed by the standard filtered back-projection algorithm from truncated data suffer from cupping artifacts inside the field-of-view (FOV), while anatomical…

图像与视频处理 · 电气工程与系统科学 2019-12-10 Yixing Huang , Lei Gao , Alexander Preuhs , Andreas Maier

Deep learning methods for accelerated MRI achieve state-of-the-art results but largely ignore additional speedups possible with noncartesian sampling trajectories. To address this gap, we created a generative diffusion model-based…

人工智能 · 计算机科学 2024-10-02 Trevor J. Chan , Chamith S. Rajapakse

Accurate 3D dental imaging is vital for diagnosis and treatment planning, yet CBCT's high radiation dose and cost limit its accessibility. Reconstructing 3D volumes from a single low-dose panoramic X-ray is a promising alternative but…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Wen Ma , Jiaxiang Liu , Zikai Xiao , Ziyang Wang , Feng Yang , Zuozhu Liu

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

Magnetic resonance imaging (MRI) is widely employed for diagnostic tests in neurology. However, the utility of MRI is largely limited by its long acquisition time. Acquiring fewer k-space data in a sparse manner is a potential solution to…

图像与视频处理 · 电气工程与系统科学 2023-05-02 Xiongchao Chen , Zhigang Peng , Gerardo Hermosillo Valadez

Image-generative artificial intelligence (AI) has garnered significant attention in recent years. In particular, the diffusion model, a core component of generative AI, produces high-quality images with rich diversity. In this study, we…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Sho Ozaki , Shizuo Kaji , Toshikazu Imae , Kanabu Nawa , Hideomi Yamashita , Keiichi Nakagawa

Continual learning (CL) aims to learn new tasks while retaining past knowledge, addressing the challenge of forgetting during task adaptation. Rehearsal-based methods, which replay previous samples, effectively mitigate forgetting. However,…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Ruiqi Liu , Boyu Diao , Libo Huang , Hangda Liu , Chuanguang Yang , Zhulin An , Yongjun Xu

Low Dose CT Denoising research aims to reduce the risks of radiation exposure to patients. Recently researchers have used deep learning to denoise low dose CT images with promising results. However, approaches that use mean-squared-error…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Sepehr Ataei , Javad Alirezaie , Paul Babyn

Non-uniformed 3D sparse data, e.g., point clouds or voxels in different spatial positions, make contribution to the task of 3D object detection in different ways. Existing basic components in sparse convolutional networks (Sparse CNNs)…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Yukang Chen , Yanwei Li , Xiangyu Zhang , Jian Sun , Jiaya Jia

Digital breast tomosynthesis (DBT) exams should utilize the lowest possible radiation dose while maintaining sufficiently good image quality for accurate medical diagnosis. In this work, we propose a convolution neural network (CNN) to…

图像与视频处理 · 电气工程与系统科学 2022-03-23 Rodrigo de Barros Vimieiro , Chuang Niu , Hongming Shan , Lucas Rodrigues Borges , Ge Wang , Marcelo Andrade da Costa Vieira

While many works focus on 3D reconstruction from images, in this paper, we focus on 3D shape reconstruction and completion from a variety of 3D inputs, which are deficient in some respect: low and high resolution voxels, sparse and dense…

计算机视觉与模式识别 · 计算机科学 2020-04-16 Julian Chibane , Thiemo Alldieck , Gerard Pons-Moll

Cone-beam computed tomography (CBCT) is an imaging modality widely used in head and neck diagnostics due to its accessibility and lower radiation dose. However, its relatively long acquisition times make it susceptible to patient motion,…

We present a Machine Learning-based method for tomographic reconstruction of dense layered objects, with range of projection angles limited to $\pm $10$^\circ$. Whereas previous approaches to phase tomography generally require two steps,…

图像与视频处理 · 电气工程与系统科学 2020-01-08 Alexandre Goy , Girish Rughoobur , Shuai Li , Kwabena Arthur , Akintunde I. Akinwande , George Barbastathis

Generalizable neural surface reconstruction has become a compelling technique to reconstruct from few images without per-scene optimization, where dense 3D feature volume has proven effective as a global representation of scenes. However,…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Aoxiang Fan , Corentin Dumery , Nicolas Talabot , Hieu Le , Pascal Fua