{"id":78,"date":"2024-04-17T13:01:03","date_gmt":"2024-04-17T10:01:03","guid":{"rendered":"https:\/\/sisu.ut.ee\/imageprocessing\/spatial-domain-filtering-test\/"},"modified":"2024-04-17T13:01:03","modified_gmt":"2024-04-17T10:01:03","slug":"spatial-domain-filtering-test","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/imageprocessing\/spatial-domain-filtering-test\/","title":{"rendered":"Spatial Domain Filtering Test"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam6\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-6\"><p>In this quiz we will ask about spatial domain operations<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-6\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div id=\"questionWrap-1\" class=\"  watupro-required-29 watupro-question-id-29\">\n\t\t\t<div class=\"question-content\"><div><p>Convolution kernel can be achieved by horizontal flipping of the kernel.<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"29\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType29\" class=\"answerTypeCnt1\" value=\"radio\"><input type=\"hidden\" id=\"watupro-required-question-29\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices29\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-29[]\" id=\"answer-id-61\" class=\"answer   answerof-29 \" value=\"61\"><label for=\"answer-id-61\" id=\"answer-label-61\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-29[]\" id=\"answer-id-62\" class=\"answer   answerof-29 \" value=\"62\"><label for=\"answer-id-62\" id=\"answer-label-62\" class=\" answer\"><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"  watupro-required-30 watupro-question-id-30\">\n\t\t\t<div class=\"question-content\"><div><p>Correlation operation is widely used for template matching.<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"30\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType30\" class=\"answerTypeCnt2\" value=\"radio\"><input type=\"hidden\" id=\"watupro-required-question-30\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices30\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-30[]\" id=\"answer-id-63\" class=\"answer   answerof-30 \" value=\"63\"><label for=\"answer-id-63\" id=\"answer-label-63\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-30[]\" id=\"answer-id-64\" class=\"answer   answerof-30 \" value=\"64\"><label for=\"answer-id-64\" id=\"answer-label-64\" class=\" answer\"><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"  watupro-required-31 watupro-question-id-31\">\n\t\t\t<div class=\"question-content\"><div>Which operation is linear?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"31\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType31\" class=\"answerTypeCnt3\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-31\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices31\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-31[]\" id=\"answer-id-65\" class=\"answer   answerof-31 \" value=\"65\"><label for=\"answer-id-65\" id=\"answer-label-65\" class=\" answer\"><span><p>SIFT operation<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-31[]\" id=\"answer-id-66\" class=\"answer   answerof-31 \" value=\"66\"><label for=\"answer-id-66\" id=\"answer-label-66\" class=\" answer\"><span><p>Convolution<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-31[]\" id=\"answer-id-67\" class=\"answer   answerof-31 \" value=\"67\"><label for=\"answer-id-67\" id=\"answer-label-67\" class=\" answer\"><span><p>Adaptive noise reduction<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-4\" style=\";\"><div id=\"questionWrap-4\" class=\"  watupro-required-32 watupro-question-id-32\">\n\t\t\t<div class=\"question-content\"><div><p>Median filter is used for removing Gaussian noise.<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_4\" value=\"32\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType32\" class=\"answerTypeCnt4\" value=\"radio\"><input type=\"hidden\" id=\"watupro-required-question-32\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices32\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-32[]\" id=\"answer-id-68\" class=\"answer   answerof-32 \" value=\"68\"><label for=\"answer-id-68\" id=\"answer-label-68\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-32[]\" id=\"answer-id-69\" class=\"answer   answerof-32 \" value=\"69\"><label for=\"answer-id-69\" id=\"answer-label-69\" class=\" answer\"><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-5\" style=\";\"><div id=\"questionWrap-5\" class=\"  watupro-required-33 watupro-question-id-33\">\n\t\t\t<div class=\"question-content\"><div>Which filter can be used for removing salt and pepper noise?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_5\" value=\"33\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType33\" class=\"answerTypeCnt5\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-33\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices33\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-33[]\" id=\"answer-id-70\" class=\"answer   answerof-33 \" value=\"70\"><label for=\"answer-id-70\" id=\"answer-label-70\" class=\" answer\"><span><p>Box filter<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-33[]\" id=\"answer-id-71\" class=\"answer   answerof-33 \" value=\"71\"><label for=\"answer-id-71\" id=\"answer-label-71\" class=\" answer\"><span><p>Weighted average filter<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-33[]\" id=\"answer-id-72\" class=\"answer   answerof-33 \" value=\"72\"><label for=\"answer-id-72\" id=\"answer-label-72\" class=\" answer\"><span><p>Median filter<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-6\" style=\";\"><div id=\"questionWrap-6\" class=\"  watupro-required-34 watupro-question-id-34\">\n\t\t\t<div class=\"question-content\"><div><p>Sobel edge detector detects only horizontal edges.<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_6\" value=\"34\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType34\" class=\"answerTypeCnt6\" value=\"radio\"><input type=\"hidden\" id=\"watupro-required-question-34\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices34\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-34[]\" id=\"answer-id-73\" class=\"answer   answerof-34 \" value=\"73\"><label for=\"answer-id-73\" id=\"answer-label-73\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-34[]\" id=\"answer-id-74\" class=\"answer   answerof-34 \" value=\"74\"><label for=\"answer-id-74\" id=\"answer-label-74\" class=\" answer\"><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-7\" style=\";\"><div id=\"questionWrap-7\" class=\"  watupro-required-35 watupro-question-id-35\">\n\t\t\t<div class=\"question-content\"><div><p>High frequency components of an image will be shown better by applying averaging filter.<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_7\" value=\"35\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType35\" class=\"answerTypeCnt7\" value=\"radio\"><input type=\"hidden\" id=\"watupro-required-question-35\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices35\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-35[]\" id=\"answer-id-75\" class=\"answer   answerof-35 \" value=\"75\"><label for=\"answer-id-75\" id=\"answer-label-75\" class=\" answer\"><span>True<\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"radio\" name=\"answer-35[]\" id=\"answer-id-76\" class=\"answer   answerof-35 \" value=\"76\"><label for=\"answer-id-76\" id=\"answer-label-76\" class=\" answer\"><span>False<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-8\" style=\";\"><div id=\"questionWrap-8\" class=\"  watupro-required-36 watupro-question-id-36\">\n\t\t\t<div class=\"question-content\"><div>Which one is a lowpass filter?<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_8\" value=\"36\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType36\" class=\"answerTypeCnt8\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-36\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices36\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-36[]\" id=\"answer-id-77\" class=\"answer   answerof-36 \" value=\"77\"><label for=\"answer-id-77\" id=\"answer-label-77\" class=\" answer\"><span><p>Box filter<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-36[]\" id=\"answer-id-78\" class=\"answer   answerof-36 \" value=\"78\"><label for=\"answer-id-78\" id=\"answer-label-78\" class=\" answer\"><span><p>Laplacian filter<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-36[]\" id=\"answer-id-79\" class=\"answer   answerof-36 \" value=\"79\"><label for=\"answer-id-79\" id=\"answer-label-79\" class=\" answer\"><span><p>Sobel edge detector<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style=\"display:none\" id=\"question-9\">\n\t<div class=\"question-content\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t<\/div>\n<\/div>\n\n<br>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons6\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"View Results\">\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"6\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-22 23:38:44\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776901124\">\n\t<input type=\"hidden\" name=\"question_ids\" 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