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Typical ultrasound consists of about 25 images extracted from a full-motion ultrasound examination. Each of these...

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Electrical Engineering

Typical ultrasound consists of about 25 images extracted from afull-motion ultrasound examination. Each of these images consistsof 512 by 512 pixels, each with 8 bit intensity information. a)What is the total number of bits in the 25 images?

b) Ideally the doctors would like to playback the ultrasounds at30 frames per second. Assuming that when playing back eachultrasound frame is compressed by a factor of 0.8, what is the datarate required to play the ultrasound?

c) Consider now that this ultrasound needs to be viewed inreal-time at a remote location using wireless communication. If thecommunication system has a signals to noise ration of 30dB and anoverhead of 15%, what is the minimum bandwidth required for thiscommunication.

d) Assume a practical error correction method is able to achievea 75% of the above data rate. How many signal levels are requiredto achieve this data rate?

Answer & Explanation Solved by verified expert
4.1 Ratings (593 Votes)
a Total no of bits in 25 images 25 x 512 x 512 x 8 52428800b 30 frames pers second with each frame containing no of bitsobtained in a and each frame compressedby a factor 08data rate required to play    See Answer
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