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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Pixel</id>
		<title>Pixel - Revision history</title>
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		<updated>2026-05-30T04:58:56Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Pixel&amp;diff=219537&amp;oldid=prev</id>
		<title>Editor at 09:05, 3 December 2021</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Pixel&amp;diff=219537&amp;oldid=prev"/>
				<updated>2021-12-03T09:05:27Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 09:05, 3 December 2021&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Landsat is a joint mission of NASA and the &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;U.S. &lt;/del&gt;Geological Survey (USGS) and is a part of the National Land Imaging (NLI) Program.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Landsat is a joint mission of NASA and the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;US &lt;/ins&gt;Geological Survey (USGS) and is a part of the National Land Imaging (NLI) Program.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Within the context of satellite imagery and drone usage, the Landsat glossary defines a pixel as ‘an abbreviation of picture element. The minimum size area on the ground that is detectable by a remote sensing device. The size varies depending on the type of sensor,’&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Within the context of satellite imagery and drone usage, the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.usgs.gov/core-science-systems/nli/landsat/landsat-glossary &lt;/ins&gt;Landsat glossary&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;] &lt;/ins&gt;defines a pixel as ‘an abbreviation of picture element. The minimum size area on the ground that is detectable by a remote sensing device. The size varies depending on the type of sensor,’&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Digital surface models (DSM) can be created by pixel-matching of aerial photography.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Digital surface models (DSM) can be created by pixel-matching of aerial photography.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Editor</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Pixel&amp;diff=219522&amp;oldid=prev</id>
		<title>Editor at 18:55, 2 December 2021</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Pixel&amp;diff=219522&amp;oldid=prev"/>
				<updated>2021-12-02T18:55:20Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 18:55, 2 December 2021&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* 3D city model.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* 3D city model.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Construction drones.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Construction drones.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* Digital map.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Digital mapping and cartography.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Digital mapping and cartography.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Global positioning systems and global navigation satellite systems.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Global positioning systems and global navigation satellite systems.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Editor</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Pixel&amp;diff=219517&amp;oldid=prev</id>
		<title>Editor: Created page with &quot;Landsat is a joint mission of NASA and the U.S. Geological Survey (USGS) and is a part of the National Land Imaging (NLI) Program.  Within the context of satellite imagery and dr...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Pixel&amp;diff=219517&amp;oldid=prev"/>
				<updated>2021-12-02T18:53:03Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;Landsat is a joint mission of NASA and the U.S. Geological Survey (USGS) and is a part of the National Land Imaging (NLI) Program.  Within the context of satellite imagery and dr...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Landsat is a joint mission of NASA and the U.S. Geological Survey (USGS) and is a part of the National Land Imaging (NLI) Program.&lt;br /&gt;
&lt;br /&gt;
Within the context of satellite imagery and drone usage, the Landsat glossary defines a pixel as ‘an abbreviation of picture element. The minimum size area on the ground that is detectable by a remote sensing device. The size varies depending on the type of sensor,’&lt;br /&gt;
&lt;br /&gt;
Digital surface models (DSM) can be created by pixel-matching of aerial photography.&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings =&lt;br /&gt;
&lt;br /&gt;
* 3D city model.&lt;br /&gt;
* Construction drones.&lt;br /&gt;
* Digital mapping and cartography.&lt;br /&gt;
* Global positioning systems and global navigation satellite systems.&lt;br /&gt;
* Photogrammetry.&lt;br /&gt;
* Using drones for inspection and survey.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]]&lt;/div&gt;</summary>
		<author><name>Editor</name></author>	</entry>

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