Monday 16 March 2015

bc005902 smu bca Winter 2014 VIth sem assignment

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PROGRAM
BCA(REVISED 2007)
SEMESTER - 6
SUBJECT CODE & NAME
BC5902 - IMAGE PROCESSING
CREDIT - 4
BK ID - B1013
MAX. MARKS – 60

Q1. State the applications of Image Processing and list the examples. 10
Answer: Applications of Image Processing: Digital image processing has a broad spectrum of applications, such as remote sensing via satellites and other spacecrafts, image transmission and storage for business applications, medical processing, radar, sonar, robotics and automated inspection of industrial parts. Images acquired by satellites are useful in tracking of earth resouces, geographical



Q2.  Explain the basic concepts of Sampling and Quantization. 10
Answer: Basic concepts in Sampling and Quantization: The basic idea behind sampling and quantization is illustrated in Fig. Figure (a) shows a continuous image, f (x, y), that we want to convert to digital form. An image may be continuous with respect to the x – and y-coordinates, and also in amplitude. To convert it to digital form, we have to sample the function in both coordinates and in amplitude. Digitizing the coordinate values is called sampling. Digitizing the amplitude values is called


Q3.  Define the process of Histogram. 10
Answer: Histogram Processing: The histogram of a digital image with gray levels in the range [0, L-1] is a discrete function



Q4.  State any four properties of Fast Fourier Transform (FFT) 10
Answer: Properties of FFT:

Translation:

Q5.  What is Global Thresholding and Adaptive Thresholding? 10
Answer: Global Thresholding: The simplest of all thresholding techniques is to partition the image histogram by using a single global threshold, T. Segmentation is then accomplished by scanning the image pixel by pixel and labeling each pixel as an object or background, depending on whether the gray level of that pixel is greater or less than the value of T. The threshold can be specified by using a heuristic approach, based on visual inspection of the histogram. The following algorithm can be used to detain T

Q6.  Briefly explain about one Image Compression model, the Source Encoder and Decoder. 10
Answer: Image Compression Models: Figure shows a compression system consisting of two distinct structural blocks: an encoder and a decoder. An input image f(x, y) is fed into the decoder, which creates a set of symbols from the input data. After transmission over the channel, the encoded representation is fed to the decoder, where a reconstructed output image  (x, y) is generated. In general, (x, y) may or may Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs 125/subject and rs 375/semester only.
if urgent then call us on 08791490301, 08273413412


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