3- the peak signal-to-noise ratio, is defined as:……………………………………………….
4- ……………………………. require the definition of a qualitative scale to assess image quality.
5-…………………………….. are better method for comparison of compression algorithms, if the goal is to achieve high-quality images as defined by visual perception.
6- in…………….method A run of consecutive blank spaces may be replaced by a single space.
7-.in RLE If the image is limited to just …………….. grayscales, we can devote one bit in each byte to indicate whether the byte contains a grayscale value or a count.
8-…………………………. is the amount of information contained in data.
9-…………………………. requires that once a certain bit pattern has been assigned as the code of a symbol, no other codes should start with that pattern (the pattern cannot be the prefix of any other code.
10……………………. of the nonnegative integer n is defined as n?1 ones followed by a single 0 (Table 2) or, alternatively, as n ? 1 zeros followed by a single one.
11- The two-dimensional inverse discrete Fourier transform of a two-dimensional is:……………………………………
12- A simple quantization table Q is computed, based on one parameter R specified by the user. A simple expression such as…………………………………….
13- in BTC two values "a" and "b" is computed a=…………………………..and b=………………………………
Q2:- assume the alphabet A=(“a”, “b”, “c”, “d”, “m”, “n”, “o”, “p”).
Encode the input stream “abcddcbamnopponm” using move to front coding with and Without the move-to-front.
Q3: find the following:
1- Average bit number from Shannon table below(1).