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Recovering a signal from its Fourier intensity underlies many important applications, including lensless imaging and imaging through scattering media. Conventional algorithms for retrieving the phase suffer when noise is present but display…

图像与视频处理 · 电气工程与系统科学 2020-03-05 Yaotian Wang , Xiaohang Sun , Jason W. Fleischer

This survey aims to investigate fundamental deep learning (DL) based 3D reconstruction techniques that produce photo-realistic 3D models and scenes, highlighting Neural Radiance Fields (NeRFs), Latent Diffusion Models (LDM), and 3D Gaussian…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Yonge Bai , LikHang Wong , TszYin Twan

In Bragg Coherent Diffraction Imaging (BCDI), Phase Retrieval of highly strained crystals is often challenging with standard iterative algorithms. This computational obstacle limits the potential of the technique as it precludes the…

Deep learning techniques have successfully been employed in numerous computer vision tasks including image segmentation. The techniques have also been applied to medical image segmentation, one of the most critical tasks in computer-aided…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Titinunt Kitrungrotsakul , Iwamoto Yutaro , Lanfen Lin , Ruofeng Tong , Jingsong Li , Yen-Wei Chen

Grasp synthesis is one of the challenging tasks for any robot object manipulation task. In this paper, we present a new deep learning-based grasp synthesis approach for 3D objects. In particular, we propose an end-to-end 3D Convolutional…

机器人学 · 计算机科学 2020-09-15 Yikun Li , Lambert Schomaker , S. Hamidreza Kasaei

Most of the traditional work on intrinsic image decomposition rely on deriving priors about scene characteristics. On the other hand, recent research use deep learning models as in-and-out black box and do not consider the well-established,…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Anil S. Baslamisli , Hoang-An Le , Theo Gevers

Most traditional algorithms for compressive sensing image reconstruction suffer from the intensive computation. Recently, deep learning-based reconstruction algorithms have been reported, which dramatically reduce the time complexity than…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Hantao Yao , Feng Dai , Dongming Zhang , Yike Ma , Shiliang Zhang , Yongdong Zhang , Qi Tian

In this paper, we present a generic deep convolutional neural network (DCNN) for multi-class image segmentation. It is based on a well-established supervised end-to-end DCNN model, known as U-net. U-net is firstly modified by adding widely…

图像与视频处理 · 电气工程与系统科学 2020-04-29 Mina Jafari , Ruizhe Li , Yue Xing , Dorothee Auer , Susan Francis , Jonathan Garibaldi , Xin Chen

Deep neural networks as image priors have been recently introduced for problems such as denoising, super-resolution and inpainting with promising performance gains over hand-crafted image priors such as sparsity and low-rank. Unlike learned…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Gauri Jagatap , Chinmay Hegde

There is large consent that successful training of deep networks requires many thousand annotated training samples. In this paper, we present a network and training strategy that relies on the strong use of data augmentation to use the…

计算机视觉与模式识别 · 计算机科学 2015-05-19 Olaf Ronneberger , Philipp Fischer , Thomas Brox

Deep learning has achieved state-of-the-art accuracies on several computer vision tasks. However, the computational and energy requirements associated with training such deep neural networks can be quite high. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-03-04 Aosong Feng , Priyadarshini Panda

Fourier ptychography is a recently explored imaging method for overcoming the diffraction limit of conventional cameras with applications in microscopy and yielding high-resolution images. In order to splice together low-resolution images…

图像与视频处理 · 电气工程与系统科学 2020-03-18 Yican Chen , Zhi Luo , Xia Wu , Huidong Yang , Bo Huang

Deep learning methods have witnessed the great progress in image restoration with specific metrics (e.g., PSNR, SSIM). However, the perceptual quality of the restored image is relatively subjective, and it is necessary for users to control…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Wei Wang , Ruiming Guo , Yapeng Tian , Wenming Yang

Phase retrieval, a nonlinear problem prevalent in imaging applications, has been extensively studied using random models, some of which with i.i.d. sensing matrix components. While these models offer robust reconstruction guarantees, they…

光学 · 物理学 2024-09-10 Zhiyuan Hu , Julián Tachella , Michael Unser , Jonathan Dong

Large pretrained models are increasingly crucial in modern computer vision tasks. These models are typically used in downstream tasks by end-to-end finetuning, which is highly memory-intensive for tasks with high-resolution data, e.g.,…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Chen Zhao , Shuming Liu , Karttikeya Mangalam , Guocheng Qian , Fatimah Zohra , Abdulmohsen Alghannam , Jitendra Malik , Bernard Ghanem

Medical imaging plays a crucial role in modern healthcare by providing non-invasive visualisation of internal structures and abnormalities, enabling early disease detection, accurate diagnosis, and treatment planning. This study aims to…

图像与视频处理 · 电气工程与系统科学 2023-09-25 Walid Ehab , Yongmin Li

3D dense reconstruction refers to the process of obtaining the complete shape and texture features of 3D objects from 2D planar images. 3D reconstruction is an important and extensively studied problem, but it is far from being solved. This…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yangming Li

Positron Emission Tomography (PET) is an important molecular imaging tool widely used in medicine. Traditional PET systems rely on complete detector rings for full angular coverage and reliable data collection. However, incomplete-ring PET…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Yeqi Fang , Rong Zhou

Compressive imaging aims to recover a latent image from under-sampled measurements, suffering from a serious ill-posed inverse problem. Recently, deep neural networks have been applied to this problem with superior results, owing to the…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Yixiao Yang , Ran Tao , Kaixuan Wei , Ying Fu

Magnetic resonance imaging (MRI) is increasingly utilized for image-guided radiotherapy due to its outstanding soft-tissue contrast and lack of ionizing radiation. However, geometric distortions caused by gradient nonlinearity (GNL) limit…