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相关论文: Phase retrieval with physics informed zero-shot le…

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To overcome the absence of training data for unseen classes, conventional zero-shot learning approaches mainly train their model on seen datapoints and leverage the semantic descriptions for both seen and unseen classes. Beyond exploiting…

机器学习 · 计算机科学 2019-10-22 Hyeonwoo Yu , Beomhee Lee

Coded-illumination can enable quantitative phase microscopy of transparent samples with minimal hardware requirements. Intensity images are captured with different source patterns and a non-linear phase retrieval optimization reconstructs…

信号处理 · 电气工程与系统科学 2019-02-07 Michael R. Kellman , Emrah Bostan , Nicole Repina , Laura Waller

Acquiring accurate depth information of transparent objects using off-the-shelf RGB-D cameras is a well-known challenge in Computer Vision and Robotics. Depth estimation/completion methods are typically employed and trained on datasets with…

机器人学 · 计算机科学 2024-03-29 Avinash Ummadisingu , Jongkeum Choi , Koki Yamane , Shimpei Masuda , Naoki Fukaya , Kuniyuki Takahashi

This paper proposes a novel algorithm for image phase retrieval, i.e., for recovering complex-valued images from the amplitudes of noisy linear combinations (often the Fourier transform) of the sought complex images. The algorithm is…

信号处理 · 电气工程与系统科学 2018-10-19 Joshin P. Krishnan , José M. Bioucas-Dias , Vladimir Katkovnik

We propose a novel zero-shot multi-frame image restoration method for removing unwanted obstruction elements (such as rains, snow, and moire patterns) that vary in successive frames. It has three stages: transformer pre-training, zero-shot…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Lin Liu , Shanxin Yuan , Jianzhuang Liu , Xin Guo , Youliang Yan , Qi Tian

Fourier Ptychography is a recently proposed imaging technique that yields high-resolution images by computationally transcending the diffraction blur of an optical system. At the crux of this method is the phase retrieval algorithm, which…

计算机视觉与模式识别 · 计算机科学 2018-05-10 Lokesh Boominathan , Mayug Maniparambil , Honey Gupta , Rahul Baburajan , Kaushik Mitra

Diffusion models have demonstrated their utility as learned priors for solving various inverse problems. However, most existing approaches are limited to linear inverse problems. This paper exploits the efficient and unsupervised posterior…

图像与视频处理 · 电气工程与系统科学 2025-01-07 Mehmet Onurcan Kaya , Figen S. Oktem

One of important areas of machine learning research is zero-shot learning. It is applied when properly labeled training data set is not available. A number of zero-shot algorithms have been proposed and experimented with. However, none of…

机器学习 · 计算机科学 2022-03-30 Elie Saad , Marcin Paprzycki , Maria Ganzha

From the beginning of zero-shot learning research, visual attributes have been shown to play an important role. In order to better transfer attribute-based knowledge from known to unknown classes, we argue that an image representation with…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Wenjia Xu , Yongqin Xian , Jiuniu Wang , Bernt Schiele , Zeynep Akata

Fourier phase retrieval is a classical problem of restoring a signal only from the measured magnitude of its Fourier transform. Although Fienup-type algorithms, which use prior knowledge in both spatial and Fourier domains, have been widely…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Eunju Cha , Chanseok Lee , Mooseok Jang , Jong Chul Ye

3D reconstruction from a single image is a long-standing problem in computer vision. Learning-based methods address its inherent scale ambiguity by leveraging increasingly large labeled and unlabeled datasets, to produce geometric priors…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Vitor Guizilini , Pavel Tokmakov , Achal Dave , Rares Ambrus

Deep learning (DL) has emerged as a powerful tool for accelerated MRI reconstruction, but often necessitates a database of fully-sampled measurements for training. Recent self-supervised and unsupervised learning approaches enable training…

图像与视频处理 · 电气工程与系统科学 2023-11-30 Burhaneddin Yaman , Seyed Amir Hossein Hosseini , Mehmet Akçakaya

Zero-shot learning (ZSL) aims to recognize unseen object classes without any training samples, which can be regarded as a form of transfer learning from seen classes to unseen ones. This is made possible by learning a projection between a…

计算机视觉与模式识别 · 计算机科学 2018-10-22 An Zhao , Mingyu Ding , Jiechao Guan , Zhiwu Lu , Tao Xiang , Ji-Rong Wen

Due to the importance of zero-shot learning, i.e. classifying images where there is a lack of labeled training data, the number of proposed approaches has recently increased steadily. We argue that it is time to take a step back and to…

计算机视觉与模式识别 · 计算机科学 2020-09-25 Yongqin Xian , Christoph H. Lampert , Bernt Schiele , Zeynep Akata

In this paper, we propose multi-stage and deformable deep convolutional neural networks for object detection. This new deep learning object detection diagram has innovations in multiple aspects. In the proposed new deep architecture, a new…

Image restoration aims to enhance low quality images, producing high quality images that exhibit natural visual characteristics and fine semantic attributes. Recently, the diffusion model has emerged as a powerful technique for image…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiangtong Tan , Feng Zhao

Phase retrieval problem has been studied in various applications. It is an inverse problem without the standard uniqueness guarantee. To make complete theoretical analyses and devise efficient algorithms to recover the signal is…

信息论 · 计算机科学 2019-05-22 Ziyang Yuan , Hongxia Wang

Microstructure imaging is crucial in materials science, but experimental images often introduce noise that obscures critical structural details. This study presents a novel deep learning approach for robust microstructure image denoising,…

材料科学 · 物理学 2025-07-03 Owais Ahmad , Albert Linda , Saumya Ranjan Jha , Somnath Bhowmick

Methods for object detection and segmentation often require abundant instance-level annotations for training, which are time-consuming and expensive to collect. To address this, the task of zero-shot object detection (or segmentation) aims…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Siddhesh Khandelwal , Anirudth Nambirajan , Behjat Siddiquie , Jayan Eledath , Leonid Sigal

Single-shot imaging with femtosecond X-ray lasers is a powerful measurement technique that can achieve both high spatial and temporal resolution. However, its accuracy has been severely limited by the difficulty of applying conventional…