Deep belief networks based voice activity detection

XL Zhang, J Wu - IEEE Transactions on Audio, Speech, and …, 2012 - ieeexplore.ieee.org
Fusing the advantages of multiple acoustic features is important for the robustness of voice
activity detection (VAD). Recently, the machine-learning-based VADs have shown a …

Voice activity detection. fundamentals and speech recognition system robustness

J Ramirez, JM Górriz, JC Segura - Robust speech recognition …, 2007 - books.google.com
An important drawback affecting most of the speech processing systems is the
environmental noise and its harmful effect on the system performance. Examples of such …

Computer-aided diagnosis of Alzheimer's type dementia combining support vector machines and discriminant set of features

J Ramírez, JM Górriz, D Salas-Gonzalez, A Romero… - Information …, 2013 - Elsevier
Alzheimer's disease (AD) is the most common cause of dementia in the elderly and affects
approximately 30 million individuals worldwide. With the growth of the older population in …

18F-FDG PET imaging analysis for computer aided Alzheimer's diagnosis

IA Illán, JM Górriz, J Ramírez, D Salas-Gonzalez… - Information …, 2011 - Elsevier
Finding sensitive and appropriate technologies for non-invasive observation and early
detection of Alzheimer's disease (AD) is of fundamental importance to develop early …

SVM-based CAD system for early detection of the Alzheimer's disease using kernel PCA and LDA

MM López, J Ramírez, JM Górriz, I Álvarez… - Neuroscience …, 2009 - Elsevier
Single-photon emission tomography (SPECT) imaging has been widely used to guide
clinicians in the early Alzheimer's disease (AD) diagnosis challenge. However, AD detection …

[PDF][PDF] Voice activity detection using MFCC features and support vector machine

T Kinnunen, E Chernenko, M Tuononen… - Int. Conf. on Speech and …, 2007 - Citeseer
We define voice activity detection (VAD) as a binary classification problem and solve it using
the support vector machine (SVM). Challenges in SVM-based approach include selection of …

GMM based SPECT image classification for the diagnosis of Alzheimer's disease

JM Górriz, F Segovia, J Ramírez, A Lassl… - Applied Soft …, 2011 - Elsevier
We present a novel classification method of SPECT images based on Gaussian mixture
models (GMM) for the diagnosis of Alzheimer's disease. The aims of the model-based …

Alzheimer's diagnosis using eigenbrains and support vector machines

I Alvarez, JM Górriz, J Ramírez… - Bio-Inspired Systems …, 2009 - Springer
An accurate and early diagnosis of the Alzheimer's Disease (AD) is of fundamental
importance for the patients medical treatment. Single Photon Emission Computed …

Application of empirical mode decomposition (EMD) on DaTSCAN SPECT images to explore Parkinson disease

A Rojas, JM Górriz, J Ramírez, IA Illán… - Expert Systems with …, 2013 - Elsevier
Parkinsonism is the second most common neurodegenerative disorder. It includes several
pathologies with similar symptoms, what makes the diagnosis really difficult. I-ioflupane …

[PDF][PDF] Boosted deep neural networks and multi-resolution cochleagram features for voice activity detection

XL Zhang, DL Wang - Fifteenth annual conference of the …, 2014 - xiaolei-zhang.net
Voice activity detection (VAD) is an important frontend of many speech processing systems.
In this paper, we describe a new VAD algorithm based on boosted deep neural networks …