A robust and efficient instantaneous frequency estimator of multi-component signals with intersecting time-frequency signatures
An algorithm for multi-component instantaneous frequency (IF) estimation of signals with
intersecting signatures in the time-frequency domain is proposed. The proposed algorithm …
intersecting signatures in the time-frequency domain is proposed. The proposed algorithm …
A chirplet transform-based mode retrieval method for multicomponent signals with crossover instantaneous frequencies
In nature and engineering world, the acquired signals are usually affected by multiple
complicated factors and appear as multicomponent nonstationary modes. In such and many …
complicated factors and appear as multicomponent nonstationary modes. In such and many …
ADTFD-RANSAC For multi-component IF estimation
A RANSAC-based instantaneous frequency (IF) estimation algorithm for multi-component
signals having overlap** time-frequency signatures is developed. The proposed algorithm …
signals having overlap** time-frequency signatures is developed. The proposed algorithm …
Multi-sensor random sample consensus for instantaneous frequency estimation of multi-component signals
An instantaneous frequency estimation algorithm is developed for multi-component signals
acquired through multiple sensors. The proposed method estimates the mixing matrix for the …
acquired through multiple sensors. The proposed method estimates the mixing matrix for the …
Block-adaptive Rényi entropy-based denoising for non-stationary signals
This paper approaches the problem of signal denoising in time-variable noise conditions.
Non-stationary noise results in variable degradation of the signal's useful information …
Non-stationary noise results in variable degradation of the signal's useful information …
A signal complexity-based approach for am–fm signal modes counting
Frequency modulated signals appear in many applied disciplines, including geology,
communication, biology and acoustics. They are naturally multicomponent, ie, they consist of …
communication, biology and acoustics. They are naturally multicomponent, ie, they consist of …
Signal useful information recovery by overlap** supports of time-frequency representations
This paper presents a novel method for automatic extraction of useful information from time-
frequency distributions of noisy signals. Signals' features are examined through the …
frequency distributions of noisy signals. Signals' features are examined through the …
An efficient and accurate multi-sensor if estimator based on doa information and order of fractional fourier transform
Instantaneous frequency in multi-sensor recordings is an important parameter for estimation
of direction of arrival estimation, source separation, and sparse reconstruction. The …
of direction of arrival estimation, source separation, and sparse reconstruction. The …
IF estimation in multi-sensor scenario with unknown sensor array geometry
An instantaneous frequency (IF) estimator for multi-sensor recordings has been developed
for a scenario where the array geometry is unknown at the receiver. The method involves …
for a scenario where the array geometry is unknown at the receiver. The method involves …
[HTML][HTML] Radon transform of image monotonic rearrangements as feature for noise sensor signature
Source camera identification represents a delicate, crucial but challenging task in digital
forensics, especially when an image has to be used as a proof in a court of law. This paper …
forensics, especially when an image has to be used as a proof in a court of law. This paper …