Prof. Alexandru N. Isar Profile

Prof. Alexandru N. Isar

at Univ Politechnica Timisoara

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 19 May 2008 Paper

SONAR images despeckling using a Bayesian approach in the wavelet domain

Sorin Moga, Alexandru Isar

Proceedings Volume 7000, 700029 (2008) https://doi.org/10.1117/12.781907

KEYWORDS: Denoising, Wavelets, Image filtering, Digital filtering, Discrete wavelet transforms, Synthetic aperture radar, Nonlinear filtering, Image denoising, Wavelet transforms, Statistical analysis

Read Abstract +

Proceedings Article | 19 May 2008 Paper

A new watermarking method based on the use of the hyperanalytic wavelet transform

Corina Nafornita, Ioana Firoiu, Jean-Marc Boucher, Alexandru Isar

Proceedings Volume 7000, 70000W (2008) https://doi.org/10.1117/12.780845

KEYWORDS: Digital watermarking, Wavelets, Discrete wavelet transforms, Sensors, Wavelet transforms, Filtering (signal processing), Image compression, Digital filtering, Lithium, Image resolution

Read Abstract +

SPIE Journal Paper | 1 April 2005

New instantaneous frequency estimation method based on image processing techniques

Monica Borda, Ioan Nafornita, Dorina Isar, Alexandru Isar

JEI, Vol. 14, Issue 02, 023013, (April 2005) https://doi.org/10.1117/12.10.1117/1.1901677

KEYWORDS: Signal to noise ratio, Time-frequency analysis, Interference (communication), Mathematical morphology, Error analysis, Image processing, Image filtering, Statistical analysis, Denoising, Binary data

Read Abstract +

Proceedings Article | 28 May 2003 Paper

New instantaneous frequency estimation method based on the use of image processing techniques

Monica Borda, Ioan Nafornita, Alexandru Isar

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.477759

KEYWORDS: Time-frequency analysis, Image processing, Signal processing, Mathematical morphology, Interference (communication), Signal to noise ratio, Binary data, Signal analyzers, Modulation, Image filtering

Read Abstract +

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years