Tag Archives: Technology

COMPLETE LECTURE NOTES ON DIGITAL IMAGE PROCESSING-BIOMEDICAL NOTES

Image Formation
Inside the Camera – Projection
Inside the Camera – Sensitivity
Sensitivity and Color
Summary
Digital Image Formation
Sampling
Quantization
Summary
(R,G,B) Parameterization of Full Color Images
Grayscale Images
Images as Matrices
Homework I

LECTURE NOTES 2–

Summary of Lecture 1
Simple Processing – Transpose
Simple Processing – Flip Vertical
Simple Processing – Cropping
Simple Image Statistics – Sample Mean and Sample Variance
Simple Image Statistics – Histogram
Point Processing
Summary
Homework Rules
Homework II

LECTURE NOTES 3–

Summary of Lecture 2
Brief Note on Image Segmentation
Histogram Based Image Segmentation
Histogram Equalization
Summary
Homework III

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Biomedical Signal Processing Toolbox-BIOMEDICAL SIGNAL ANALYSIS

Abstract.

This article describes a biomedical signal processing (BSP) toolbox for the analysis
of physiologic signals. The BSP toolbox is designed to enable researchers to conduct
preliminary analysis of physiologic time series, such as the electrocardiogram (ECG),
intracranial pressure (ICP), arterial blood pressure (ABP), and oxygen saturation (SpO2).
The toolbox includes detection algorithms for the ECG and pressure waveforms, spectral
analysis, nonlinear filtering, multi-signal analysis, and nonstationary signal visualization.
The following sections discuss the functionality of this toolbox and provide examples of its
application.

download complete article here

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Head massaging hat has been made

Head massaging hat certifies your dorkiness

Massages are great, but I generally prefer the touch of another human over a machine.

Now Osim, the folks who brought us the massaging MP3 player, have one upped their earlier efforts with the uCrown 2 head massager. Combining air pressure technology, vibration massage, magnetic therapy, gentle heat, and even some built in speakers so you can play some relaxing Yanni music, the uCrown 2 is designed to relieve stress while relaxing your muscles. My only concern is that the benefits will be outweighed by the embarrassment of your family pointing and laughing at you.

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INTERVIEW AND SHORT ANSWER QUESTION ON IMAGE PROCESSING-BIOMEDICAL JOBS & NOTES QUESTION 21-40

21. Define subjective brightness and brightness adaptation?
Subjective brightness means intensity as preserved by the human visual system.
Brightness adaptation means the human visual system can operate only from
scotopic to glare limit. It cannot operate over the range simultaneously. It accomplishes
this large variation by changes in its overall intensity.

22. Define weber ratio
The ratio of increment of illumination to background of illumination is called as
weber ratio.(ie) ?i/i
If the ratio (?i/i) is small, then small percentage of change in intensity is needed
(ie) good brightness adaptation.
If the ratio (?i/i) is large , then large percentage of change in intensity is needed
(ie) poor brightness adaptation.

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INTERVIEW AND SHORT ANSWER QUESTION ON IMAGE PROCESSING-BIOMEDICAL JOBS & NOTES-QUESTION NO 1-20

Define Image?
An image may be defined as two dimensional light intensity function f(x, y)
where x and y denote spatial co-ordinate and the amplitude or value of f at any point
(x, y) is called intensity or grayscale or brightness of the image at that point.

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WHAT ARE THE KEY AREAS OF BIOMEDICAL ENGINEERING

According to surveys biomedical engineering field is most upcoming field all over the world

breakthroughs in biomedical field have been the most in last decade or so!

According to surveys

The “Healthcare Economy” is booming every day and after like the graph below:

Per Capita Healthcare spending (USA) will increase by >10% in 2002 and is expected to be over 20% of GDP by 2025

What Will Be the 10 Hottest Jobs?

What sorts of companies hire biomedical engineers?
Should I plan on getting a PhD?
What is a typical career path in industry?

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