Search Results - "Pettersson, I."

Non-Cooperative SAR Automatic Target Recognition Based on Scattering Centers Models by Araujo, Gustavo F, Machado, Renato, Pettersson, Mats I

“…This article proposes an Automatic Target Recognition (ATR) algorithm to classify non-cooperative targets in Synthetic Aperture Radar (SAR) images. The…”
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Vehicle Detection in Aerial Images Based on 3D Depth Maps and Deep Neural Networks by Javadi, Saleh, Dahl, Mattias, Pettersson, Mats I.

“…Object detection in aerial images, particularly of vehicles, is highly important in remote sensing applications including traffic management, urban planning,…”
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Change Detection in Aerial Images Using Three-Dimensional Feature Maps by Javadi, Saleh, Dahl, Mattias, I. Pettersson, Mats

“…Interest in aerial image analysis has increased owing to recent developments in and availability of aerial imaging technologies, like unmanned aerial vehicles…”
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Interpolation Methods with Phase Control for Backprojection of Complex-Valued SAR Data by Ivanenko, Yevhen, Vu, Viet T., Batra, Aman, Kaiser, Thomas, Pettersson, Mats I.

“…Time-domain backprojection algorithms are widely used in state-of-the-art synthetic aperture radar (SAR) imaging systems that are designed for applications…”
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Phase Error Calculation Caused by Start-Stop Approximation in Processing FMCW Radar Signals for SAR Imaging by Vu, Viet T., Ivanenko, Yevhen, Pettersson, Mats I.

“…The current synthetic aperture radar (SAR) image formation algorithms have been developed for pulse radar systems, and they are desired for use in for…”
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Synthetic SAR Data Generator Using Pix2pix cGAN Architecture for Automatic Target Recognition by Araujo, Gustavo F., Machado, Renato, Pettersson, Mats I.

“…Synthetic Aperture Radar (SAR) technology has unique advantages but faces challenges in obtaining enough data for noncooperative target classes. We propose a…”
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Detection and localization of F-layer ionospheric irregularities with the back-propagation method along the radio occultation ray path by Ludwig-Barbosa, Vinícius, Rasch, Joel, Sievert, Thomas, Carlström, Anders, Pettersson, Mats I, Thuy Vu, Viet, Christensen, Jacob

“…The back-propagation (BP) method consists of diffractive integrals computed over a trajectory path, projecting a signal to different planes. It unwinds the…”
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Wavelength-Resolution SAR Ground Scene Prediction Based on Image Stack by G Palm, Bruna, I Alves, Dimas, I Pettersson, Mats, T Vu, Viet, Machado, Renato, J Cintra, Renato, M Bayer, Fábio, Dammert, Patrik, Hellsten, Hans

“…This paper presents five different statistical methods for ground scene prediction (GSP) in wavelength-resolution synthetic aperture radar (SAR) images. The…”
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A Statistical Analysis for Intensity Wavelength-Resolution SAR Difference Images by Mittmann Voigt, Gustavo Henrique, Irion Alves, Dimas, Müller, Crístian, Machado, Renato, Ramos, Lucas Pedroso, Vu, Viet Thuy, Pettersson, Mats I.

“…This paper presents a statistical analysis of intensity wavelength-resolution synthetic aperture radar (SAR) difference images. In this analysis, Anderson…”
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Robust Principal Component Analysis Techniques for Ground Scene Estimation in SAR Imagery by Ramos, Lucas P., Alves, Dimas I., Duarte, Leonardo T., Pettersson, Mats I., Machado, Renato

“…Robust principal component analysis (RPCA) has been widely used for processing and interpreting high-dimensional data in different applications such as data…”
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Change Detection in UWB SAR Images Based on Robust Principal Component Analysis by Schwartz, Christofer, Ramos, Lucas P., Duarte, Leonardo T., Pinho, Marcelo da S., Pettersson, Mats I., Vu, Viet T., Machado, Renato

“…This paper addresses the use of a data analysis tool, known as robust principal component analysis (RPCA), in the context of change detection (CD) in…”
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Detection of Moving Targets by Focusing in UWB SAR-Theory and Experimental Results by Viet Thuy Vu, Sjogren, Thomas K, Pettersson, Mats I, Gustavsson, Anders, Ulander, Lars M H

“…Moving-target detection in ultrawideband (UWB) synthetic aperture radar (SAR) is associated with long integration time and must accommodate azimuth focusing…”
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Supervised Detection of Ionospheric Scintillation in Low-Latitude Radio Occultation Measurements by Ludwig-Barbosa, Vinícius, Sievert, Thomas, Carlström, Anders, Pettersson, Mats I., Vu, Viet T., Rasch, Joel

“…Global Navigation Satellite System (GNSS) Radio Occultation (RO) has provided high-quality atmospheric data assimilated in Numerical Weather Prediction (NWP)…”
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Change Detection Method for Wavelength-Resolution SAR Images Based on Bayes' Theorem: An Iterative Approach by Alves, Dimas Irion, Palm, Bruna Gregory, Hellsten, Hans, Machado, Renato, Vu, Viet Thuy, Pettersson, Mats I., Dammert, Patrik

“…This paper presents an iterative change detection (CD) method based on Bayes' theorem for very high-frequency (VHF) ultra-wideband (UWB) SAR images considering…”
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Wavelength-Resolution SAR Change Detection Using Bayes' Theorem by Alves, Dimas Irion, Palm, Bruna Gregory, Hellsten, Hans, Vu, Viet Thuy, Pettersson, Mats I., Machado, Renato, Uchoa-Filho, Bartolomeu F., Dammert, Patrik

“…-This article presents Bayes' theorem for wavelength-resolution synthetic aperture radar (SAR) change detection method development. Different change detection…”
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Internal roosting location is associated with differential use of the outdoor range by free-range laying hens by Pettersson, I C, Weeks, C A, Norman, K I, Knowles, T G, Nicol, C J

“…1. In commercial free-range systems for laying hens, popholes to the outdoor range are often installed on one side of the house only. In multi-tier systems, it…”
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New Forms of Likelihood Ratio Test for SAR Change Detection by Vu, Viet T., Pettersson, Mats I., Sjogren, Thomas K.

“…The Neyman-Pearson lemma, i.e., the likelihood ratio test and its generalized version, have been used for the development of the synthetic aperture radar (SAR)…”
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Moving Target Relative Speed Estimation and Refocusing in Synthetic Aperture Radar Images by Sjogren, T. K., Vu, V. T., Pettersson, M. I., Gustavsson, A., Ulander, L. M. H.

“…In this paper, a method for moving target relative speed estimation and refocusing based on synthetic aperture radar (SAR) images is derived and tested in…”
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On Synthetic Aperture Radar Azimuth and Range Resolution Equations by Vu, V. T., Sjogren, T. K., Pettersson, M. I.

“…This paper discusses spatial resolutions for ultrawide-band-ultrawide-beam (UWB) synthetic aperture radar (SAR) in comparison to narrow-band-narrow-beam (NB)…”
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Elevated arousal at time of decision-making is not the arbiter of risk avoidance in chickens by Davies, A. C., Radford, A. N., Pettersson, I. C., Yang, F. P., Nicol, C. J.

“…The somatic marker hypothesis proposes that humans recall previously experienced physiological responses to aid decision-making under uncertainty. However,…”
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