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HOLODEC, an airborne cloud particle imager, captures holographic images of a fixed volume of cloud to characterize the types and sizes of cloud particles, such as water droplets and ice crystals. Cloud particle properties include position,…

Image and Video Processing · Electrical Eng. & Systems 2022-03-21 John S. Schreck , Gabrielle Gantos , Matthew Hayman , Aaron Bansemer , David John Gagne

Particle size measurement based on digital holography with conventional algorithms are usually time-consuming and susceptible to noises associated with hologram quality and particle complexity, limiting its usage in a broad range of…

Applied Physics · Physics 2020-01-01 Siyao Shao , Kevin Mallery , Jiarong Hong

Computer-Generated Holography (CGH) algorithms often fall short in matching simulations with results from a physical holographic display. Our work addresses this mismatch by learning the holographic light transport in holographic displays.…

Optics · Physics 2022-06-16 Koray Kavaklı , Hakan Urey , Kaan Akşit

Neural machine translation has achieved remarkable empirical performance over standard benchmark datasets, yet recent evidence suggests that the models can still fail easily dealing with substandard inputs such as misspelled words, To…

Computation and Language · Computer Science 2020-10-21 Haohan Wang , Peiyan Zhang , Eric P. Xing

The increase in the observed volume in cosmological surveys imposes various challenges on simulation preparations. Firstly, the volume of the simulations required increases proportionally to the observations. However, large-volume…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-01 Daniel Forero-Sánchez , Chia-Hsun Chuang , Sergio Rodríguez-Torres , Gustavo Yepes , Stefan Gottlöber , Cheng Zhao

Robotic ultrasound (US) systems have shown great potential to make US examinations easier and more accurate. Recently, various machine learning techniques have been proposed to realize automatic US image interpretation for robotic US…

Robotics · Computer Science 2023-05-17 Keyu Li , Xinyu Mao , Chengwei Ye , Ang Li , Yangxin Xu , Max Q. -H. Meng

Multi-label image recognition with partial labels (MLR-PL), in which some labels are known while others are unknown for each image, may greatly reduce the cost of annotation and thus facilitate large-scale MLR. We find that strong semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Tianshui Chen , Tao Pu , Lingbo Liu , Yukai Shi , Zhijing Yang , Liang Lin

Despite its potential for label-free particle diagnostics, holographic microscopy is limited by specialized processing methods that struggle to generalize across diverse settings. We introduce a deep learning architecture leveraging human…

Optics · Physics 2024-11-26 Shyam Kumar , Jiarong Hong

Like in many other research fields, recent developments in computational imaging have focused on developing machine learning (ML) approaches to tackle its main challenges. To improve the performance of computational imaging algorithms,…

Image and Video Processing · Electrical Eng. & Systems 2024-08-16 Maximilian B. Kiss , Ander Biguri , Carola-Bibiane Schönlieb , K. Joost Batenburg , Felix Lucka

While the problem of hallucinations in neural machine translation has long been recognized, so far the progress on its alleviation is very little. Indeed, recently it turned out that without artificially encouraging models to hallucinate,…

Computation and Language · Computer Science 2022-12-21 David Dale , Elena Voita , Loïc Barrault , Marta R. Costa-jussà

For many computer vision problems, the deep neural networks are trained and validated based on the assumption that the input images are pristine (i.e., artifact-free). However, digital images are subject to a wide range of distortions in…

Computer Vision and Pattern Recognition · Computer Science 2017-08-15 Zhuo Chen , Weisi Lin , Shiqi Wang , Long Xu , Leida Li

For machine learning-based prognosis and diagnosis of rare diseases, such as pediatric brain tumors, it is necessary to gather medical imaging data from multiple clinical sites that may use different devices and protocols. Deep…

Image style transfer occupies an important place in both computer graphics and computer vision. However, most current methods require reference to stylized images and cannot individually stylize specific objects. To overcome this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Junhao Chen , Peng Rong , Jingbo Sun , Chao Li , Xiang Li , Hongwu Lv

We propose a new learning-based approach for 3D particle field imaging using holography. Our approach uses a U-net architecture incorporating residual connections, Swish activation, hologram preprocessing, and transfer learning to cope with…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Siyao Shao , Kevin Mallery , Santosh Kumar , Jiarong Hong

Image forgery is a topic that has been studied for many years. Before the breakthrough of deep learning, forged images were detected using handcrafted features that did not require training. These traditional methods failed to perform…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Eren Tahir , Mert Bal

Imitation learning (IL) with human demonstrations is a promising method for robotic manipulation tasks. While minimal demonstrations enable robotic action execution, achieving high success rates and generalization requires high cost, e.g.,…

Real-world image de-weathering aims at removing various undesirable weather-related artifacts. Owing to the impossibility of capturing image pairs concurrently, existing real-world de-weathering datasets often exhibit inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Xiaohui Liu , Zhilu Zhang , Xiaohe Wu , Chaoyu Feng , Xiaotao Wang , Lei Lei , Wangmeng Zuo

Here we present practical methods for simulation and reconstruction of in-line digital holograms recorded with plane and spherical waves. The algorithms described here are applicable to holographic imaging of an object exhibiting absorption…

Optics · Physics 2023-06-29 Tatiana Latychevskaia , Hans-Werner Fink

Machine learning (ML) is often viewed as a black-box regression technique that is unable to provide considerable scientific insight. ML models are universal function approximators and - if used correctly - can provide scientific information…

Emerging learned holography approaches have enabled faster and high-quality hologram synthesis, setting a new milestone toward practical holographic displays. However, these learned models require training a dedicated model for each set of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yicheng Zhan , Liang Shi , Wojciech Matusik , Qi Sun , Kaan Akşit
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