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Category > Engineering Posted 27 Apr 2017 My Price 3.00

Explain why the filter is effective in elimination pepper

Refer to the contraharmonic filter given in Eq. (5.3-6).

(a) Explain why the filter is effective in elimination pepper noise when Q is positive.

(b) Explain why the filter is effective in eliminating salt noise when Q is negative.

(c) Explain why the filter gives poor results (such as the results shown in Fig. 5.9) when the wrong polarity is chosen for Q.

(d) Discuss the behavior of the filter when Q = -1

(e) Discuss (for positive and negative Q) the behavior of the filter in areas of constant intensity levels

 

 

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Alpha Geek
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Status NEW Posted 27 Apr 2017 06:04 AM My Price 3.00

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file 1493275200-Answer.docx preview (124 words )
R-----------efe-----------r t-----------o t-----------he -----------con-----------tra-----------har-----------mon-----------ic -----------fil-----------ter----------- gi-----------ven----------- in----------- Eq-----------. (-----------5.3------------6)-----------. -----------(a)----------- Ex-----------pla-----------in -----------why----------- th-----------e f-----------ilt-----------er -----------is -----------eff-----------ect-----------ive----------- in----------- el-----------imi-----------nat-----------ion----------- pe-----------ppe-----------r n-----------ois-----------e w-----------hen----------- Q -----------is -----------pos-----------iti-----------ve.----------- (-----------b) -----------Exp-----------lai-----------n w-----------hy -----------the----------- fi-----------lte-----------r i-----------s e-----------ffe-----------cti-----------ve -----------in -----------eli-----------min-----------ati-----------ng -----------sal-----------t n-----------ois-----------e w-----------hen----------- Q -----------is -----------neg-----------ati-----------ve.----------- (-----------c) -----------Exp-----------lai-----------n w-----------hy -----------the----------- fi-----------lte-----------r g-----------ive-----------s p-----------oor----------- re-----------sul-----------ts -----------(su-----------ch -----------as -----------the----------- re-----------sul-----------ts -----------sho-----------wn -----------in -----------Fig-----------. 5-----------.9)----------- wh-----------en -----------the----------- wr-----------ong----------- po-----------lar-----------ity----------- is----------- ch-----------ose-----------n f-----------or -----------Q. ----------- (d-----------) D-----------isc-----------uss----------- th-----------e b-----------eha-----------vio-----------r o-----------f t-----------he -----------fil-----------ter----------- wh-----------en -----------Q =----------- -1----------- (-----------e) -----------Dis-----------cus-----------s (-----------for-----------
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