

{"id":877,"date":"2019-10-28T20:11:36","date_gmt":"2019-10-29T00:11:36","guid":{"rendered":"https:\/\/sites.temple.edu\/geotoran\/?p=877"},"modified":"2019-10-28T20:17:40","modified_gmt":"2019-10-29T00:17:40","slug":"photogrammetry-with-drones","status":"publish","type":"post","link":"https:\/\/sites.temple.edu\/geotoran\/2019\/10\/28\/photogrammetry-with-drones\/","title":{"rendered":"Photogrammetry with drones"},"content":{"rendered":"<p>Mike Alonzo of American University visited our I-95 storm basins to show Josh Caplan and me how to use photogrammetry and remote sensing to map the canopy.\u00a0 We collected photos at 2 second intervals along regular transects with the drone.\u00a0 Although we were restricted in the height we could fly, to say below the highway, we were able to get a nice point cloud and NDVI (canopy health) map of one of the basin.\u00a0 Mike showed us how to process the data:<\/p>\n<p><a href=\"https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/PonitCloud_SMP-P01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-886 alignleft\" src=\"https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/PonitCloud_SMP-P01-300x220.jpg\" alt=\"\" width=\"300\" height=\"220\" srcset=\"https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/PonitCloud_SMP-P01-300x220.jpg 300w, https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/PonitCloud_SMP-P01-768x564.jpg 768w, https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/PonitCloud_SMP-P01-1024x752.jpg 1024w, https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/PonitCloud_SMP-P01.jpg 1032w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/NDVI_SMP-P01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-885 alignleft\" src=\"https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/NDVI_SMP-P01-300x174.jpg\" alt=\"\" width=\"300\" height=\"174\" srcset=\"https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/NDVI_SMP-P01-300x174.jpg 300w, https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/NDVI_SMP-P01-768x445.jpg 768w, https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/NDVI_SMP-P01-1024x593.jpg 1024w, https:\/\/sites.temple.edu\/geotoran\/files\/2019\/10\/NDVI_SMP-P01.jpg 1282w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Point cloud<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>NDVI image: light areas are vegetation, dark areas concrete<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mike Alonzo of American University visited our I-95 storm basins to show Josh Caplan and me how to use photogrammetry and remote sensing to map the canopy.\u00a0 We collected photos at 2 second intervals along regular transects with the drone.\u00a0 &hellip; <a href=\"https:\/\/sites.temple.edu\/geotoran\/2019\/10\/28\/photogrammetry-with-drones\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4114,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-877","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/users\/4114"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/comments?post=877"}],"version-history":[{"count":0,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/posts\/877\/revisions"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/media?parent=877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/categories?post=877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.temple.edu\/geotoran\/wp-json\/wp\/v2\/tags?post=877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}