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Title          
 Evaluation of Feature Recombination Technique... 
 
Abstract
 Given a speech signal, there are two most important information that can be extracted from it. One being the linguistic information (about what is being said) and other being the speaker specific information (about who is speaking). This report is about the task of speaker recognition where the goal is to determine the speaker identity, from a group of known speaker, which closely matches with input sample. This problem become even more tough when there is limited amount of test and train data, a mismatch between the surrounding conditions while recording the test and train data, or in noisy environments.In this thesis, we consider the problem of speaker identification in noisy and bandlimited telephonic environments using the Gaussian Mixture Model approach combined with sub-band based feature extraction. We implement a sub-band based Posteriori Union Model described by Reynolds. Then, we extend sub-band based approach to combine the phase based feature ModGDF and Magnitude based feature MFCC using several feature recombination techniques described in this thesis. These sub-band based feature recombination methods gives 46% identification accuracy, in best case, on NTIMIT database with little or no increase in computation.
 
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Added By - ravigarg
Subject - Electrical Engineering
Document Type - Presentation
 
 
   
   

 

Title          
 History and Patient Examination 
 
Abstract
 The medical history or anamnesis (abbr. Hx) of a patient is information gained by a physician by asking specific questions, either of the patient or of other people who know the person and can give suitable information (in this case, it is sometimes called heteroanamnesis), with the aim of obtaining information useful in formulating a diagnosis and providing medical care to the patient. The medically relevant complaints reported by the patient or others familiar with the patient are referred to as symptoms, in contrast with clinical signs, which are ascertained by direct examination on the part of medical personnel. Most health encounters will result in some form of history being taken. Medical histories vary in their depth and focus. For example, an ambulance paramedic would typically limit his history to important details, such as name, history of presenting complaint, allergies, etc. In contrast, a psychiatric history is frequently lengthy and in depth, as many details about the patient's life are relevant to formulating a management plan for a psychiatric illness.The information obtained in this way, together with clinical examination, enables the physician to form a diagnosis and treatment plan. If a diagnosis cannot be made,...
 
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Added By - prakashambady
Subject - Medical Sciences
Document Type - Presentation
 
 
   
   

 

Title          
 Motor neuron disease 
 
Abstract
 The term motor neuron classically applies to neurons located in the CNS that project their axons outside the CNS and directly or indirectly control muscles.The term "amyotrophic lateral sclerosis" is derived from the combination of the clinical examination finding of amyotrophy with the pathological finding of lateral sclerosis. Amyotrophic lateral sclerosis (ALS), first described by Charcot in the nineteenth century.ALS is a relentlessly progressive, presently incurable, neurodegenerative disorder that causes muscle weakness, disability, and eventually death.ALS is also known as "Lou Gehrig's Disease," after the famous New York Yankee baseball player who was affected with the disease
 
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Added By - prakashambady
Subject - Medical Sciences
Document Type - Presentation
 
 
   
   

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