ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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"tag:techhub.social,2025-03-13:objectId=242632009:objectType=Conversation", "content": "<p>Glacial Lake Mapping Using Remote Sensing Geo-Foundation Model<br />--<br /><a href=\"https://doi.org/10.1016/j.jag.2025.104371\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.1016/j.jag.2025.104</span><span class=\"invisible\">371</span></a> &lt;-- shared paper<br />--<br />HIGHLIGHTS:<br /> • Proposed U-ViT model based on Prithvi GFM for multi-sensor glacial lake mapping.<br /> • Achieved an F1 score of 0.894 on Sentinel-1&amp;2, surpassing CNNs scoring below 0.8.<br /> • Maintains strong performance with 50% less training data, proving efficiency.<br /> • Excels in detecting small lakes (&lt;0.01km²) and handling clouds and complex terrains...&quot;<br /><a href=\"https://techhub.social/tags/GIS\" class=\"mention hashtag\" rel=\"tag\">#<span>GIS</span></a> <a href=\"https://techhub.social/tags/spatial\" class=\"mention hashtag\" rel=\"tag\">#<span>spatial</span></a> <a href=\"https://techhub.social/tags/mapping\" class=\"mention hashtag\" rel=\"tag\">#<span>mapping</span></a> <a href=\"https://techhub.social/tags/glaciallake\" class=\"mention hashtag\" rel=\"tag\">#<span>glaciallake</span></a> <a href=\"https://techhub.social/tags/GeospatialFoundationModel\" class=\"mention hashtag\" rel=\"tag\">#<span>GeospatialFoundationModel</span></a> <a href=\"https://techhub.social/tags/satellite\" class=\"mention hashtag\" rel=\"tag\">#<span>satellite</span></a> <a href=\"https://techhub.social/tags/Sentinel\" class=\"mention hashtag\" rel=\"tag\">#<span>Sentinel</span></a> <a href=\"https://techhub.social/tags/GaoFen\" class=\"mention hashtag\" rel=\"tag\">#<span>GaoFen</span></a> <a href=\"https://techhub.social/tags/remotesensing\" class=\"mention hashtag\" rel=\"tag\">#<span>remotesensing</span></a> <a href=\"https://techhub.social/tags/earthobservation\" class=\"mention hashtag\" rel=\"tag\">#<span>earthobservation</span></a> <a href=\"https://techhub.social/tags/model\" class=\"mention hashtag\" rel=\"tag\">#<span>model</span></a> <a href=\"https://techhub.social/tags/modeling\" class=\"mention hashtag\" rel=\"tag\">#<span>modeling</span></a> <a href=\"https://techhub.social/tags/climatechange\" class=\"mention hashtag\" rel=\"tag\">#<span>climatechange</span></a> <a href=\"https://techhub.social/tags/glacial\" class=\"mention hashtag\" rel=\"tag\">#<span>glacial</span></a> <a href=\"https://techhub.social/tags/glacier\" class=\"mention hashtag\" rel=\"tag\">#<span>glacier</span></a> <a href=\"https://techhub.social/tags/melt\" class=\"mention hashtag\" rel=\"tag\">#<span>melt</span></a> <a href=\"https://techhub.social/tags/melting\" class=\"mention hashtag\" rel=\"tag\">#<span>melting</span></a> <a href=\"https://techhub.social/tags/UViT\" class=\"mention hashtag\" rel=\"tag\">#<span>UViT</span></a> <a href=\"https://techhub.social/tags/deepleanring\" class=\"mention hashtag\" rel=\"tag\">#<span>deepleanring</span></a> <a href=\"https://techhub.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://techhub.social/tags/framework\" class=\"mention hashtag\" rel=\"tag\">#<span>framework</span></a> <a href=\"https://techhub.social/tags/performance\" class=\"mention hashtag\" rel=\"tag\">#<span>performance</span></a> <a href=\"https://techhub.social/tags/metrics\" class=\"mention hashtag\" rel=\"tag\">#<span>metrics</span></a> <a href=\"https://techhub.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a></p>", "contentMap": { "en": "<p>Glacial Lake Mapping Using Remote Sensing Geo-Foundation Model<br />--<br /><a href=\"https://doi.org/10.1016/j.jag.2025.104371\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">doi.org/10.1016/j.jag.2025.104</span><span class=\"invisible\">371</span></a> &lt;-- shared paper<br />--<br />HIGHLIGHTS:<br /> • Proposed U-ViT model based on Prithvi GFM for multi-sensor glacial lake mapping.<br /> • Achieved an F1 score of 0.894 on Sentinel-1&amp;2, surpassing CNNs scoring below 0.8.<br /> • Maintains strong performance with 50% less training data, proving efficiency.<br /> • Excels in detecting small lakes (&lt;0.01km²) and handling clouds and complex terrains...&quot;<br /><a href=\"https://techhub.social/tags/GIS\" class=\"mention hashtag\" rel=\"tag\">#<span>GIS</span></a> <a href=\"https://techhub.social/tags/spatial\" class=\"mention hashtag\" rel=\"tag\">#<span>spatial</span></a> <a href=\"https://techhub.social/tags/mapping\" class=\"mention hashtag\" rel=\"tag\">#<span>mapping</span></a> <a href=\"https://techhub.social/tags/glaciallake\" class=\"mention hashtag\" rel=\"tag\">#<span>glaciallake</span></a> <a href=\"https://techhub.social/tags/GeospatialFoundationModel\" class=\"mention hashtag\" rel=\"tag\">#<span>GeospatialFoundationModel</span></a> <a href=\"https://techhub.social/tags/satellite\" class=\"mention hashtag\" rel=\"tag\">#<span>satellite</span></a> <a href=\"https://techhub.social/tags/Sentinel\" class=\"mention hashtag\" rel=\"tag\">#<span>Sentinel</span></a> <a href=\"https://techhub.social/tags/GaoFen\" class=\"mention hashtag\" rel=\"tag\">#<span>GaoFen</span></a> <a href=\"https://techhub.social/tags/remotesensing\" class=\"mention hashtag\" rel=\"tag\">#<span>remotesensing</span></a> <a href=\"https://techhub.social/tags/earthobservation\" class=\"mention hashtag\" rel=\"tag\">#<span>earthobservation</span></a> <a href=\"https://techhub.social/tags/model\" class=\"mention hashtag\" rel=\"tag\">#<span>model</span></a> <a href=\"https://techhub.social/tags/modeling\" class=\"mention hashtag\" rel=\"tag\">#<span>modeling</span></a> <a href=\"https://techhub.social/tags/climatechange\" class=\"mention hashtag\" rel=\"tag\">#<span>climatechange</span></a> <a href=\"https://techhub.social/tags/glacial\" class=\"mention hashtag\" rel=\"tag\">#<span>glacial</span></a> <a href=\"https://techhub.social/tags/glacier\" class=\"mention hashtag\" rel=\"tag\">#<span>glacier</span></a> <a href=\"https://techhub.social/tags/melt\" class=\"mention hashtag\" rel=\"tag\">#<span>melt</span></a> <a href=\"https://techhub.social/tags/melting\" class=\"mention hashtag\" rel=\"tag\">#<span>melting</span></a> <a href=\"https://techhub.social/tags/UViT\" class=\"mention hashtag\" rel=\"tag\">#<span>UViT</span></a> <a href=\"https://techhub.social/tags/deepleanring\" class=\"mention hashtag\" rel=\"tag\">#<span>deepleanring</span></a> <a href=\"https://techhub.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://techhub.social/tags/framework\" class=\"mention hashtag\" rel=\"tag\">#<span>framework</span></a> <a href=\"https://techhub.social/tags/performance\" class=\"mention hashtag\" rel=\"tag\">#<span>performance</span></a> <a href=\"https://techhub.social/tags/metrics\" class=\"mention hashtag\" rel=\"tag\">#<span>metrics</span></a> <a href=\"https://techhub.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.techhub.social/media_attachments/files/114/153/236/304/487/643/original/fa2aba0add631d4b.jpg", "name": "phot - glacier with glacial lake, Karakoram mountain range", "blurhash": "UJEp.%R3D+WB4VZ#tRogJWs+afa$_NbcV?Rk", "focalPoint": [ 0, 0 ], "width": 1600, "height": 1282 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.techhub.social/media_attachments/files/114/153/236/321/873/252/original/5ea95828083beade.jpg", "name": null, "blurhash": "UJQ]sRD48_n4MzM_Diw]F^pcJ8tQO;yDJAo}", "width": 2693, "height": 1914 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.techhub.social/media_attachments/files/114/153/236/334/011/493/original/4bf12a76a82bc286.jpg", "name": null, "blurhash": "UcMQ#9M{oebH4TWBWBRj-;WBt7axofaeofof", "width": 2642, "height": 2328 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.techhub.social/media_attachments/files/114/153/236/326/871/186/original/8ee0e01222cbd047.jpg", "name": null, "blurhash": "UCQv%fH;yDx^9YnNkDbc%MNeaJWAtmxuV@aK", "width": 2645, "height": 1600 } ], "tag": [ { "type": "Hashtag", "href": "https://techhub.social/tags/gis", "name": "#gis" }, { "type": "Hashtag", "href": "https://techhub.social/tags/spatial", "name": "#spatial" }, { "type": "Hashtag", "href": "https://techhub.social/tags/mapping", "name": "#mapping" }, { "type": "Hashtag", "href": "https://techhub.social/tags/glaciallake", "name": "#glaciallake" }, { "type": "Hashtag", "href": 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