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Gaze redirection aims at manipulating the gaze of a given face image with respect to a desired direction (i.e., a reference angle) and it can be applied to many real life scenarios, such as video-conferencing or taking group photos.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Jingjing Chen , Jichao Zhang , Enver Sangineto , Jiayuan Fan , Tao Chen , Nicu Sebe

Correspondence imaging can achieve positive-negative ghost images by just conditional averaging of partial patterns, without treating bucket intensities as weights. To explain its imaging mechanism, we develop a probability theory assuming…

Optics · Physics 2020-04-01 Jian Leng , Wen-Kai Yu , Shuo-Fei Wang

Artificial intelligence has recently been widely used in computational imaging. The deep neural network (DNN) improves the signal-to-noise ratio of the retrieved images, whose quality is otherwise corrupted due to the low sampling ratio or…

Image and Video Processing · Electrical Eng. & Systems 2022-12-16 Wenhan Ren , Xiaoyu Nie , Tao Peng , Marlan O. Scully

By means of numerical simulations, we demonstrate the innovative use of computational ghost imaging in transmission electron microscopy to retrieve images with a resolution that overcomes the limitations imposed by coherent aberrations. The…

Instrumentation and Detectors · Physics 2024-11-20 P. Rosi , L. Viani , E. Rotunno , S. Frabboni , A. H. Tavabi , R. E. Dunin-Borkowski , A. Roncaglia , V. Grillo

We propose a novel method for learning representations of poses for 3D deformable objects, which specializes in 1) disentangling pose information from the object's identity, 2) facilitating the learning of pose variations, and 3)…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Seungwoo Yoo , Juil Koo , Kyeongmin Yeo , Minhyuk Sung

We address the problem of unpaired geometric image-to-image translation. Rather than transferring the style of an image as a whole, our goal is to translate the geometry of an object as depicted in different domains while preserving its…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Kaili Wang , Liqian Ma , Jose Oramas , Luc Van Gool , Tinne Tuytelaars

We propose a new technique which enables an event-by-event selection of neutrino-hydrogen interactions in multi-nuclear targets and thereby allows application of hydrogen as targets in experiments with neutrino beams without involving…

High Energy Physics - Experiment · Physics 2015-09-30 X. -G. Lu , D. Coplowe , R. Shah , G. Barr , D. Wark , A. Weber

In NeRF-aided editing tasks, object movement presents difficulties in supervision generation due to the introduction of variability in object positions. Moreover, the removal operations of certain scene objects often lead to empty regions,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Zhenyang Li , Zilong Chen , Feifan Qu , Mingqing Wang , Yizhou Zhao , Kai Zhang , Yifan Peng

We present Neural Memory Object (NeMO), a novel object-centric representation that can be used to detect, segment and estimate the 6DoF pose of objects unseen during training using RGB images. Our method consists of an encoder that requires…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Sebastian Jung , Leonard Klüpfel , Rudolph Triebel , Maximilian Durner

Magnetic particle imaging (MPI) is an imaging method that can visualize magnetic nanoparticles in positive contrast, without radiation exposure. Recently, we proposed an image reconstruction method for projection-based MPI (pMPI), in which…

Medical Physics · Physics 2023-05-01 Kenya Murase

We demonstrate the use of machine learning through convolutional neural networks to solve inverse design problems of optical resonator engineering. The neural network finds a harmonic modulation of a spherical mirror to generate a resonator…

Optics · Physics 2022-02-08 Denis V. Karpov , Sergei Kurdiumov , Peter Horak

We present a method for projecting an input image into the space of a class-conditional generative neural network. We propose a method that optimizes for transformation to counteract the model biases in generative neural networks.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Minyoung Huh , Richard Zhang , Jun-Yan Zhu , Sylvain Paris , Aaron Hertzmann

We explore optical manipulation of sculpted light based on phase dependent electromagnetically induced transparency through a five level atomic system. A transverse magnetic field (TMF) and a suitable spatially inhomogeneous control field…

Optics · Physics 2019-03-27 Sandeep Sharma , Tarak N. Dey

I show a way to tune photo-nuclear cross section effectively and therefore achieve nuclear transitions "on demand". The method is based on combinatorial enhancement of multiphoton processes under intense conditions. Taking advantage of…

Nuclear Theory · Physics 2025-10-01 C. -J. Yang

We propose a new method for the discrimination of sub-micron nuclear recoil tracks from an instrumental background in fine-grain nuclear emulsions used in the directional dark matter search. The proposed method uses a 3D Convolutional…

High Energy Physics - Experiment · Physics 2022-02-17 Artem Golovatiuk , Andrey Ustyuzhanin , Andrey Alexandrov , Giovanni De Lellis

We propose a experimental scenario of edge enhancement ghost imaging of phase objects with nonlocal orbital angular momentum (OAM) phase filters. Spatially incoherent thermal light is separated into two daughter beams, the test and…

Quantum Physics · Physics 2019-08-06 Hanquan Song , Zhidan Yuan , Yuhang Ren , Dayu Zhao , Zili Zhang , Zhiyuan Zheng , Lu Gao

We develop a concept of metasurface-assisted ghost imaging for non-local discrimination between a set of polarization objects. The specially designed metasurfaces are incorporated in the imaging system to perform parallel state…

Quantum Physics · Physics 2022-05-10 Andres Vega , Thomas Pertsch , Frank Setzpfandt , Andrey A. Sukhorukov

Neutron grating interferometry is an advanced method in neutron imaging that allows the simultaneous recording of the transmission, the differential phase and the dark-field image. Especially the latter has recently received high interest…

Materials Science · Physics 2016-10-10 Tommy Reimann , Sebastian Mühlbauer , Michael Horisberger , Peter Böni , Michael Schulz

Recently, ghost imaging has been attracting attentions because its mechanism would lead to many applications inaccessible to conventional imaging methods. However, it is challenging for high contrast and high resolution imaging, due to its…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Mengjia Xi , Hui Chen , Yuan Yuan , Gao Wang , Yuchen He , Yan Liang , Jianbin Liu , Huaibin Zheng , Zhuo Xu

In this work, we present a new method for 3D face reconstruction from sparse-view RGB images. Unlike previous methods which are built upon 3D morphable models (3DMMs) with limited details, we leverage an implicit representation to encode…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Moran Li , Haibin Huang , Yi Zheng , Mengtian Li , Nong Sang , Chongyang Ma