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Related papers: Tomographic X-ray data of 3D emoji

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This is the documentation of the tomographic X-ray data of cross phantom made available at this https URL The data can be freely used for scientific purposes with appropriate references to the data and to this document in arxiv.org. The…

Medical Physics · Physics 2018-09-05 Salla Latva-Äijö , Alexander Meaney , Samuli Siltanen

This is the documentation of the tomographic X-ray data of a carved cheese slice. Data are available at www.fips.fi/dataset.php, and can be freely used for scientific purposes with appropriate references to them, and to this document in…

This is the documentation of the tomographic X-ray data of a walnut made available at http://www.fips.fi/dataset.php . The data can be freely used for scientific purposes with appropriate references to the data and to this document in…

Data Analysis, Statistics and Probability · Physics 2015-02-16 Keijo Hämäläinen , Lauri Harhanen , Aki Kallonen , Antti Kujanpää , Esa Niemi , Samuli Siltanen

This is the documentation of the tomographic X-ray data of a lotus root, filled with four different attenuating objects, of different sizes. Data are available at www.fips.fi/dataset.php, and can be freely used for scientific purposes with…

Data Analysis, Statistics and Probability · Physics 2016-10-14 Tatiana A. Bubba , Andreas Hauptmann , Simo Huotari , Juho Rimpeläinen , Samuli Siltanen

This is the documentation for dynamic X-ray tomography measurements of a gel phantom diffused with potassium iodide contrast agent. The measured data and additional materials are available at http://www.fips.fi/dataset.php and Zenodo…

Image and Video Processing · Electrical Eng. & Systems 2023-05-01 Tommi Heikkilä , Hanna Help , Alexander Meaney

This is the documentation of the 3D dynamic tomographic X-ray (CT) data of a ladybug. The open data set is available https://zenodo.org/record/3375488#.XV_T3vxS9oA and can be freely used for scientific purposes with appropriate references…

Medical Physics · Physics 2019-08-26 Juliaana Juurakko , Zenith Purisha , Simo Särkkä

This is the documentation of Computed Tomography (CT) data of a pen-spring. The open data set is available at https://zenodo.org/record/3266936#.XRyMdCZS9oA and can be freely used for scientific purposes with appropriate references to the…

Medical Physics · Physics 2019-07-04 Juliaana Juurakko , Zenith Purisha , Simo Särkkä

This is the documentation for Spatio-TEmporal Motor-POwered (STEMPO) phantom for dynamic X-ray tomography. Provided are different measurements designed for testing dynamic tomography reconstruction algorithms. The measured data and…

Image and Video Processing · Electrical Eng. & Systems 2025-08-05 Tommi Heikkilä

Phantoms can serve as a gold standard for the validation of MRI numerical methods. In some special cases, it is possible to compute analytically the Radon transform, or sinogram, of a phantom. In this work, we present analytical formulae to…

Numerical Analysis · Mathematics 2023-02-14 Monica Dessole , Marta Gatto , Davide Poggiali , Francesca Tedeschi

With the increasing complexity of external beam therapy, so-called "end-to-end" tests are intended to cover all steps from therapy planning to follow-up to fulfill the high demands on quality assurance. As magnetic resonance imaging (MRI)…

Communicating data insights in an accessible and engaging manner to a broader audience remains a significant challenge. To address this problem, we introduce the Emoji Encoder, a tool that generates a set of emoji recommendations for the…

Human-Computer Interaction · Computer Science 2024-08-27 Matthew Brehmer , Vidya Setlur , Zoe , Michael Correll

Neural network based algorithms has shown success in many applications. In image processing, Convolutional Neural Networks (CNN) can be trained to categorize facial expressions of images of human faces. In this work, we create a system that…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Qinchen Wang , Sixuan Wu , Tingfeng Xia

Due to the lack of large-scale datasets, the prevailing approach in visual sentiment analysis is to leverage models trained for object classification in large datasets like ImageNet. However, objects are sentiment neutral which hinders the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Ziad Al-Halah , Andrew Aitken , Wenzhe Shi , Jose Caballero

X-ray tomography is a powerful volumetric imaging technique, but detailed three dimensional (3D) imaging requires the acquisition of a large number of individual X-ray images, which is time consuming. For applications where spatial…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Zhenduo Shang , Thomas Blumensath

Existing 3D facial emotion modeling have been constrained by limited emotion classes and insufficient datasets. This paper introduces "Emo3D", an extensive "Text-Image-Expression dataset" spanning a wide spectrum of human emotions, each…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Mahshid Dehghani , Amirahmad Shafiee , Ali Shafiei , Neda Fallah , Farahmand Alizadeh , Mohammad Mehdi Gholinejad , Hamid Behroozi , Jafar Habibi , Ehsaneddin Asgari

In this paper, we provide assembly instructions for an easy to build experimental setup in order to gain practical experience with tomography. In view of this, this paper can be seen as a complementary work to excellent mathematical…

Image and Video Processing · Electrical Eng. & Systems 2024-02-23 Axel Kittenberger , Leonidas Mindrinos , Otmar Scherzer

In this article, we demonstrate the viability of highly monochromatic full-field X-ray absorption near edge structure based tomography using a laboratory-scale Johann-type X-ray absorption spectrometer based on a conventional X-ray tube…

Instrumentation and Detectors · Physics 2022-10-04 Ari-Pekka Honkanen , Simo Huotari

This technical report presents a text-to-image neural network "Emojich" that generates emojis using captions in Russian language as a condition. We aim to keep the generalization ability of a pretrained big model ruDALL-E Malevich (XL) 1.3B…

Computation and Language · Computer Science 2022-01-14 Alex Shonenkov , Daria Bakshandaeva , Denis Dimitrov , Aleksandr Nikolich

Purpose: Anthropomorphic phantoms can be used in radiotherapy to confirm dose distributions. In this work, a prototype phantom with a deformable chest wall was created based on real human. Methods: A technique similar to 3-dimensional…

Medical Physics · Physics 2021-11-11 Maria Akiki , Fadi Rouphael , Mazen Moussallem

X-ray CT dose measurement has mainly been performed using an ionization chamber dosimeter. Therefore, the dose distribution has not been sufficiently studied. We investigated the importance of evaluating the two or three-dimensional dose…

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