Visual object tracking using Fourier domain phase information
Sign Up to like & getrecommendations! Published in 2022 at "Signal, Image and Video Processing"
DOI: 10.1007/s11760-021-01968-5
Abstract: In this article, phase of the Fourier transform (FT), which has observed to be a crucial component in image representation, is utilized for visual target tracking. The main aim of the proposed scheme is to… read more here.
Keywords: visual object; object tracking; phase information; fourier domain ... See more keywords
A Fourier domain acceleration framework for convolutional neural networks
Sign Up to like & getrecommendations! Published in 2019 at "Neurocomputing"
DOI: 10.1016/j.neucom.2019.06.080
Abstract: Abstract Acceleration of training and inference of convolutional neural networks (CNNs) plays a significant role in deep learning efforts for large-scale datasets. However, it is difficult to accelerate the training and inference of CNNs based… read more here.
Keywords: acceleration framework; acceleration; fourier domain; function ... See more keywords
Ultrafast broadband Fourier-transform CARS spectroscopy at 50,000 spectra/s enabled by a scanning Fourier-domain delay line
Sign Up to like & getrecommendations! Published in 2017 at "Vibrational Spectroscopy"
DOI: 10.1016/j.vibspec.2016.07.007
Abstract: Abstract We propose and demonstrate a coherent Raman scattering (CRS) spectroscopy technique capable of acquiring 50,000 broadband Raman spectra/s. This ultrafast spectral acquisition is realized by employing a Fourier-domain delay line based on a rapidly… read more here.
Keywords: domain delay; delay line; fourier domain; cars spectroscopy ... See more keywords
Frequency-Sweep-Range-Reconfigurable Complementary Linearly Chirped Microwave Waveform Pair Generation by Using a Fourier Domain Mode Locking Optoelectronic Oscillator Based on Stimulated Brillouin Scattering
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2020.2988210
Abstract: A Fourier domain mode locking (FDML) optoelectronic oscillator (OEO) based on stimulated Brillouin scattering (SBS) is proposed to generate complementary linearly chirped microwave waveform (LCMW) pairs with flexibly-reconfigurable frequency sweep range and excellent frequency sweep… read more here.
Keywords: frequency; fourier domain; frequency sweep; sweep range ... See more keywords
Nonuniform MIMO Sampling and Reconstruction of Multiband Signals in the Fractional Fourier Domain
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2023.3280853
Abstract: This paper explores nonuniform multiple-input multiple-output (MIMO) sampling and reconstruction of signals with multiple bands in the fractional Fourier domain. We investigate discrete-time fractional Fourier transforms of nonuniformly sampled output signals of MIMO channel and… read more here.
Keywords: output; mimo sampling; reconstruction; fourier domain ... See more keywords
Background Modeling in the Fourier Domain for Maritime Infrared Target Detection
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems for Video Technology"
DOI: 10.1109/tcsvt.2019.2922036
Abstract: The estimation of the sea background from maritime infrared video sequences is necessary for target detection. It is challenging to obtain an accurate background model when the scene is a complex and fluctuating sea surface.… read more here.
Keywords: maritime infrared; fourier domain; target; target detection ... See more keywords
Sampling and Super Resolution of Sparse Signals Beyond the Fourier Domain
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2018.2890064
Abstract: Recovering a sparse signal from its low-pass projections in the Fourier domain is a problem of broad interest in science and engineering and is commonly referred to as super resolution. In many cases, however, Fourier… read more here.
Keywords: saft; sparse signals; low pass; domain ... See more keywords
Fourier-Domain Ultrasonic Imaging of Cortical Bone Based on Velocity Distribution Inversion
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2021.3072657
Abstract: There is a significant acoustic impedance contrast between the cortical bone and the surrounding soft tissue, resulting in difficulty for ultrasound penetration into bone tissue with high frequency. It is challenging for the conventional pulse-echo… read more here.
Keywords: cortical bone; fourier domain; bone; velocity ... See more keywords
Energy-Efficient and Calibration-Aware Fourier-Domain OCT Imaging Processor
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2019.2894751
Abstract: This paper presents a novel Fourier-domain optical coherence tomography (FDOCT) imaging processor capable of performing all image formation operations, including dc removal, resampling, real-valued fast Fourier transform (RFFT), and display rendering. Optimizing an RFFT unit… read more here.
Keywords: calibration; imaging processor; processor; energy ... See more keywords
Optimization of waveform design in the fractional Fourier domain to improve the cognitive radar system
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Remote Sensing"
DOI: 10.1117/1.jrs.11.015004
Abstract: Abstract. We investigate optimal waveform design using fractional Fourier transform in signal-dependent interference, as well as additive channel noise for stochastic extended target. Within constraints on waveform energy and bandwidth, optimal waveform design in fractional… read more here.
Keywords: fourier; waveform design; fourier domain; fractional fourier ... See more keywords
Fourier-domain modeling of gravity effects caused by a vertical polyhedral prism, with application to a water reservoir storage process
Sign Up to like & getrecommendations! Published in 2020 at "Geophysics"
DOI: 10.1190/geo2020-0077.1
Abstract: We have developed a new Fourier-domain algorithm for the modeling of gravity effects caused by a vertical polyhedral prism. Simplified and more compact Fourier-domain expressions are derived for the vertical gravity anomaly on a 2D… read more here.
Keywords: gravity; polyhedral prism; water; fourier domain ... See more keywords