Main Research Topics
1- Acoustic Echo Canceling (AEC) in Teleconference Room & Radio Communications:
Double-Talk AEC, Stereo AEC:
Correlation LMS (CLMS) Algorithm, ECLMS, Frequency Domain
ECLMS (FECLMS) Algorithm,
Wavelet Domain CLMS (WCLMS) Algorithm for Double-Talk
Echo Canceling (DTEC).
Frequency Bin Adaptive Filtering (FBAF) for Low Computational
Complexity.
2- Room Acoustics:
Impulse Response Study (Measurement & Estimation)
Speech & Music & Silence Control in Room, Smart Acoustic
Room (SAR),
Mic. & Speaker arrays.
3- Active Noise Control:
Duct Noise, Car Noises Control Algorithm.
4- Mobile Telephone Communications:
Low Bit Rate Image Compression Enhancement Algorithm for Image-Phone.
Environment Noise Canceling from Speech Signal:
Two-Way Mics, Single Mic Noise Calceling (SMNC), Noise Suppresion
via Speech / Idle detection
(Spectral Estimation).
5-Digital Signal Processing (DSP):
General topics, Hardware & Simulation, Digital Filter Design
with Practical Consideration, Effect of Quantization Noise of Tap
on whole Filter Characteristics, FFT Algorithm Improvement, Adaptive Digital
Filtering Algorithm investigation (Time and Frequency Domain).
6-Digital Image and Video Processing:
Human Eyes Charateristics, Shadow Identification, Homomorphic
System, Image Compression Algorithm: Wavelet- Fractal-Model based,
Face Recognition, Lips Recognition, Segmentation & Retrieval , Water
Marking Algorithm, Image Enhancement Algorithm, Image Restoration Algorithm
(Blurred Image Restoration ), TV Ghost Canceling Algorithm, Overlapped
Images Separation by ICA or other algorithms, Restoration
by Fusion.
7- Digital Speech Processing:
Acoustic Charateristics of Human Vocal System,
Parametric Voice Coding, Pitch Detection, Formant Analysis,
LPC,
Voice/Unvoice, Speech / Silence Detection,
Homomorphic and Cepstral Signal Processing.
8-Virtual Reality:
Generation of VR based on Image & Graphics in Real Time,
Generation of Sound & Acoustic for VR.