{"id":346,"date":"2019-04-03T06:27:43","date_gmt":"2019-04-03T06:27:43","guid":{"rendered":"https:\/\/rossedwards.co.uk\/blog\/?p=346"},"modified":"2019-10-06T01:48:49","modified_gmt":"2019-10-06T01:48:49","slug":"semi-automatic-classification-scp","status":"publish","type":"post","link":"https:\/\/rossedwards.co.uk\/blog\/2019\/04\/03\/semi-automatic-classification-scp\/","title":{"rendered":"Semi Automatic Classification Plugin (SCP)"},"content":{"rendered":"\n<p>Testing supervised classification using another QGIS plugin <a href=\"https:\/\/fromgistors.blogspot.com\/p\/semi-automatic-classification-plugin.html\">SCP.<\/a><\/p>\n\n\n\n<p>Example showing <strong>Maximum Likelihood<\/strong> classifier:<\/p>\n\n\n<p><iframe loading=\"lazy\" frameborder=\"0\" class=\"juxtapose\" width=\"100%\" height=\"740\" src=\"https:\/\/cdn.knightlab.com\/libs\/juxtapose\/latest\/embed\/index.html?uid=9b084376-c696-11e9-b9b8-0edaf8f81e27\"><\/iframe><\/p>\n\n\n\n<p>SCP comes with the following <a href=\"https:\/\/fromgistors.blogspot.com\/2015\/05\/brief-introduction-to-remote-sensing-23.html?spref=yml\">classifiers<\/a>:<br> &#8211; <strong>Minimum Distance<\/strong> &#8211; Euclidean distance<br> &#8211; <strong>Maximum Likelihood <\/strong>&#8211; Bayes\u2019 theorem<br> &#8211; <strong>Spectral Angle Mapping<\/strong><\/p>\n\n\n\n<!--more-->\n\n\n\n<p><strong>Some key steps to detail the procedure:<\/strong><br>Check this <a href=\"https:\/\/www.youtube.com\/watch?v=fUZgYxgDjsk\">video tutorial<\/a><br>First go and select the raster to work on<\/p>\n\n\n\n<div class=\"wp-block-envira-envira-gallery\"><div id=\"envira-gallery-wrap-360\" class=\"envira-gallery-wrap envira-gallery-theme-base envira-lightbox-theme-base_dark\" itemscope itemtype=\"https:\/\/schema.org\/ImageGallery\"><div style=\"opacity: 0.0\"  data-row-height=\"150\" data-gallery-theme=\"normal\" id=\"envira-gallery-360\" class=\"envira-gallery-public envira-gallery-justified-public envira-gallery-0-columns envira-clear enviratope envira-gallery-css-animations\" data-envira-columns=\"0\"><div id=\"envira-gallery-item-361\" class=\"envira-gallery-item enviratope-item envira-gallery-item-1 envira-lazy-load\" style=\"padding-left: 1px; padding-bottom: 1px; padding-right: 1px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/image_select.png\" class=\"envira-gallery-360 envira-gallery-link\" rel=\"enviragallery360\" title=\"Select your raster\" data-envira-caption=\"Select your raster\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img id=\"envira-gallery-image-361\" class=\"envira-gallery-image envira-gallery-image-1 envira-normal envira-lazy\" data-envira-index=\"1\" src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/image_select-1024x367-640x480.png\" data-envira-src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/image_select-1024x367-640x480.png\" data-envira-gallery-id=\"360\" data-envira-item-id=\"361\" data-envira-caption=\"Select your raster\" alt=\"\" title=\"Select your raster\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/image_select-1024x367-640x480.png 400w,https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/image_select-1024x367-640x480.png 2x\" data-envira-width=\"300\" data-envira-height=\"108\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><\/div><\/div><noscript><img src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/image_select.png\" alt=\"\" \/><\/noscript><\/div>\n\n\n\n<p>And then create a new &#8216;training input&#8217; file in the &#8216;Training input&#8217; tab:<\/p>\n\n\n\n<div class=\"wp-block-envira-envira-gallery\"><div id=\"envira-gallery-wrap-362\" class=\"envira-gallery-wrap envira-gallery-theme-base envira-lightbox-theme-base_dark\" itemscope itemtype=\"https:\/\/schema.org\/ImageGallery\"><div style=\"opacity: 0.0\"  data-row-height=\"150\" data-gallery-theme=\"normal\" id=\"envira-gallery-362\" class=\"envira-gallery-public envira-gallery-justified-public envira-gallery-0-columns envira-clear enviratope envira-gallery-css-animations\" data-envira-columns=\"0\"><div id=\"envira-gallery-item-394\" class=\"envira-gallery-item enviratope-item envira-gallery-item-1 envira-lazy-load\" style=\"padding-left: 3px; padding-bottom: 5px; padding-right: 3px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/training_input-1.png\" class=\"envira-gallery-362 envira-gallery-link\" rel=\"enviragallery362\" title=\"Training input\" data-envira-caption=\"Training input\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img id=\"envira-gallery-image-394\" class=\"envira-gallery-image envira-gallery-image-1 envira-normal envira-lazy\" data-envira-index=\"1\" src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/training_input-1-640x480.png\" data-envira-src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/training_input-1-640x480.png\" data-envira-gallery-id=\"362\" data-envira-item-id=\"394\" data-envira-caption=\"Training input\" alt=\"\" title=\"Training input\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/training_input-1-640x480.png 400w,https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/training_input-1-640x480.png 2x\" data-envira-width=\"300\" data-envira-height=\"181\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><\/div><\/div><noscript><img src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/training_input-1.png\" alt=\"\" \/><\/noscript><\/div>\n\n\n\n<p>Create Your ROI&#8217;s:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.rossedwards.co.uk\/arma\/QGIS\/roi.PNG\" alt=\"\"\/><\/figure>\n\n\n\n<p>Then Save it to the &#8216;ROI Signature list&#8217; tab:<br>(<strong>MCID<\/strong> is like the parent to the child <strong>CID<\/strong>&#8216;s)<\/p>\n\n\n\n<div class=\"wp-block-envira-envira-gallery\"><div id=\"envira-gallery-wrap-381\" class=\"envira-gallery-wrap envira-gallery-theme-base envira-lightbox-theme-base_dark\" itemscope itemtype=\"https:\/\/schema.org\/ImageGallery\"><div style=\"opacity: 0.0\"  data-row-height=\"150\" data-gallery-theme=\"normal\" id=\"envira-gallery-381\" class=\"envira-gallery-public envira-gallery-justified-public envira-gallery-0-columns envira-clear enviratope envira-gallery-css-animations\" data-envira-columns=\"0\"><div id=\"envira-gallery-item-382\" class=\"envira-gallery-item enviratope-item envira-gallery-item-1 envira-lazy-load\" style=\"padding-left: 1px; padding-bottom: 1px; padding-right: 1px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/save_roi.png\" class=\"envira-gallery-381 envira-gallery-link\" rel=\"enviragallery381\" title=\"Save ROI\" data-envira-caption=\"Save ROI\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img id=\"envira-gallery-image-382\" class=\"envira-gallery-image envira-gallery-image-1 envira-normal envira-lazy\" data-envira-index=\"1\" src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/save_roi-640x480.png\" data-envira-src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/save_roi-640x480.png\" data-envira-gallery-id=\"381\" data-envira-item-id=\"382\" data-envira-caption=\"Save ROI\" alt=\"\" title=\"Save ROI\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/save_roi-640x480.png 400w,https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/save_roi-640x480.png 2x\" data-envira-width=\"300\" data-envira-height=\"297\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><\/div><\/div><noscript><img src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/save_roi.png\" alt=\"\" \/><\/noscript><\/div>\n\n\n\n<p>Select your preferred classification and click RUN:<\/p>\n\n\n\n<div class=\"wp-block-envira-envira-gallery\"><div id=\"envira-gallery-wrap-402\" class=\"envira-gallery-wrap envira-gallery-theme-base envira-lightbox-theme-base_dark\" itemscope itemtype=\"https:\/\/schema.org\/ImageGallery\"><div style=\"opacity: 0.0\"  data-row-height=\"150\" data-gallery-theme=\"normal\" id=\"envira-gallery-402\" class=\"envira-gallery-public envira-gallery-justified-public envira-gallery-0-columns envira-clear enviratope envira-gallery-css-animations\" data-envira-columns=\"0\"><div id=\"envira-gallery-item-404\" class=\"envira-gallery-item enviratope-item envira-gallery-item-1 envira-lazy-load\" style=\"padding-left: 1px; padding-bottom: 1px; padding-right: 1px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/run_classify-1.png\" class=\"envira-gallery-402 envira-gallery-link\" rel=\"enviragallery402\" title=\"Run classify\" data-envira-caption=\"Run classify\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img id=\"envira-gallery-image-404\" class=\"envira-gallery-image envira-gallery-image-1 envira-normal envira-lazy\" data-envira-index=\"1\" src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/run_classify-1-640x480.png\" data-envira-src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/run_classify-1-640x480.png\" data-envira-gallery-id=\"402\" data-envira-item-id=\"404\" data-envira-caption=\"Run classify\" alt=\"\" title=\"Run classify\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/run_classify-1-640x480.png 400w,https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/run_classify-1-640x480.png 2x\" data-envira-width=\"300\" data-envira-height=\"283\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><\/div><\/div><noscript><img src=\"https:\/\/rossedwards.co.uk\/blog\/wp-content\/uploads\/2019\/04\/run_classify-1.png\" alt=\"\" \/><\/noscript><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Testing supervised classification using another QGIS plugin SCP. Example showing Maximum Likelihood classifier: SCP comes with the following classifiers: &#8211; Minimum Distance &#8211; Euclidean distance &#8211; Maximum Likelihood &#8211; Bayes\u2019 theorem &#8211; Spectral Angle Mapping<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,2,4],"tags":[],"_links":{"self":[{"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/posts\/346"}],"collection":[{"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=346"}],"version-history":[{"count":28,"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/posts\/346\/revisions"}],"predecessor-version":[{"id":1155,"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/posts\/346\/revisions\/1155"}],"wp:attachment":[{"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rossedwards.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}