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    <title>Marine on earthtoolsmaker</title>
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    <description>Recent content in Marine on earthtoolsmaker</description>
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    <lastBuildDate>Mon, 09 Dec 2024 00:00:00 +0000</lastBuildDate>
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      <title>Identify individuals with Local Feature Matching</title>
      <link>https://www.earthtoolsmaker.org/posts/local-feature-matching-lightglue/</link>
      <pubDate>Mon, 09 Dec 2024 00:00:00 +0000</pubDate>
      <guid>https://www.earthtoolsmaker.org/posts/local-feature-matching-lightglue/</guid>
      <description>&lt;p&gt;In this post, we will explore a powerful technique widely used for&#xA;identifying individuals across various species. This method leverages unique&#xA;physical markings that remain relatively stable throughout an organism&amp;rsquo;s&#xA;lifetime, making it effective for species with distinct patterns. For instance,&#xA;&lt;a href=&#34;https://www.sharkguardian.org/whale-shark-research&#34;&gt;whale sharks&lt;/a&gt;, &lt;a href=&#34;https://www.earthtoolsmaker.org/projects/trout_identification/&#34;&gt;trout&lt;/a&gt;,&#xA;&lt;a href=&#34;https://app.fruitpunch.ai/article/2024/02/01/tracking-turtles-how-ai-helps-conservationists-to&#34;&gt;turtles&lt;/a&gt;,&#xA;and&#xA;&lt;a href=&#34;https://app.fruitpunch.ai/article/2023/03/23/understanding-seals-with-ai&#34;&gt;seals&lt;/a&gt;&#xA;all possess unique spot or scale patterns that lend themselves well to this&#xA;computer vision approach.&lt;/p&gt;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&lt;div class=&#34;image-carousel&#34; data-carousel-id=&#34;species-markings-gallery&#34;&gt;&#xA;  &lt;div class=&#34;image-carousel__wrapper&#34;&gt;&#xA;    &lt;ul class=&#34;image-carousel__controls controls list-reset&#34; id=&#34;species-markings-gallery-controls&#34; aria-label=&#34;Carousel Navigation&#34; tabindex=&#34;0&#34;&gt;&#xA;      &lt;li class=&#34;prev&#34; data-controls=&#34;prev&#34; aria-controls=&#34;species-markings-gallery&#34; tabindex=&#34;-1&#34;&gt;&#xA;        &lt;i class=&#34;fa-solid fa-arrow-left-long&#34;&gt;&lt;/i&gt;&#xA;      &lt;/li&gt;&#xA;      &lt;li class=&#34;next&#34; data-controls=&#34;next&#34; aria-controls=&#34;species-markings-gallery&#34; tabindex=&#34;-1&#34;&gt;&#xA;        &lt;i class=&#34;fa-solid fa-arrow-right-long&#34;&gt;&lt;/i&gt;&#xA;      &lt;/li&gt;&#xA;    &lt;/ul&gt;&#xA;&#xA;    &lt;div class=&#34;image-carousel__slider&#34;&#xA;         id=&#34;species-markings-gallery&#34;&#xA;         data-items=&#34;3&#34;&#xA;         data-items-tablet=&#34;2&#34;&#xA;         data-items-mobile=&#34;1&#34;&#xA;         data-gutter=&#34;20&#34;&#xA;         data-loop=&#34;true&#34;&#xA;         tabindex=&#34;0&#34;&gt;&#xA;      &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &lt;div class=&#34;image-carousel__slide&#34;&gt;&#xA;    &#xA;      &#xA;      &lt;img src=&#34;./images/species/turtle2.png&#34; alt=&#34;Turtle&#34; class=&#34;no-lightense&#34; loading=&#34;lazy&#34; data-caption=&#34;Sea turtle with unique shell patterns used for individual identification&#34; data-shadow=&#34;true&#34; data-rounded=&#34;true&#34; /&gt;&#xA;    &#xA;  &lt;/div&gt;&#xA;&#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &lt;div class=&#34;image-carousel__slide&#34;&gt;&#xA;    &#xA;      &#xA;      &lt;img src=&#34;./images/species/seal.jpg&#34; alt=&#34;Seal&#34; class=&#34;no-lightense&#34; loading=&#34;lazy&#34; data-caption=&#34;Seal with distinctive spot patterns on its fur&#34; data-shadow=&#34;true&#34; data-rounded=&#34;true&#34; /&gt;&#xA;    &#xA;  &lt;/div&gt;&#xA;&#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &lt;div class=&#34;image-carousel__slide&#34;&gt;&#xA;    &#xA;      &#xA;      &lt;img src=&#34;./images/species/trout.jpg&#34; alt=&#34;Trout&#34; class=&#34;no-lightense&#34; loading=&#34;lazy&#34; data-caption=&#34;Trout displaying unique spot patterns along its body&#34; data-shadow=&#34;true&#34; data-rounded=&#34;true&#34; /&gt;&#xA;    &#xA;  &lt;/div&gt;&#xA;&#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &#xA;  &lt;div class=&#34;image-carousel__slide&#34;&gt;&#xA;    &#xA;      &#xA;      &lt;img src=&#34;./images/species/whale-shark2.png&#34; alt=&#34;Whale Shark&#34; class=&#34;no-lightense&#34; loading=&#34;lazy&#34; data-caption=&#34;Whale shark with distinctive spot patterns that remain stable throughout its lifetime&#34; data-shadow=&#34;true&#34; data-rounded=&#34;true&#34; /&gt;&#xA;    &#xA;  &lt;/div&gt;&#xA;&#xA;&#xA;    &lt;/div&gt;&#xA;  &lt;/div&gt;&#xA;&lt;/div&gt;&#xA;&#xA;&#xA;&lt;div class=&#34;image-lightbox&#34; id=&#34;species-markings-gallery-lightbox&#34; aria-hidden=&#34;true&#34; aria-modal=&#34;true&#34; role=&#34;dialog&#34; aria-label=&#34;Image gallery&#34;&gt;&#xA;  &lt;div class=&#34;image-lightbox__overlay&#34;&gt;&lt;/div&gt;&#xA;  &lt;button class=&#34;image-lightbox__close&#34; aria-label=&#34;Close lightbox&#34;&gt;&#xA;    &lt;i class=&#34;fa-solid fa-xmark&#34;&gt;&lt;/i&gt;&#xA;  &lt;/button&gt;&#xA;  &lt;button class=&#34;image-lightbox__prev&#34; aria-label=&#34;Previous image&#34;&gt;&#xA;    &lt;i class=&#34;fa-solid fa-arrow-left-long&#34;&gt;&lt;/i&gt;&#xA;  &lt;/button&gt;&#xA;  &lt;button class=&#34;image-lightbox__next&#34; aria-label=&#34;Next image&#34;&gt;&#xA;    &lt;i class=&#34;fa-solid fa-arrow-right-long&#34;&gt;&lt;/i&gt;&#xA;  &lt;/button&gt;&#xA;  &lt;div class=&#34;image-lightbox__content&#34;&gt;&#xA;    &lt;img class=&#34;image-lightbox__image no-lightense&#34; src=&#34;&#34; alt=&#34;&#34; /&gt;&#xA;    &lt;p class=&#34;image-lightbox__caption&#34;&gt;&lt;/p&gt;</description>
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    <item>
      <title>Tracking the Journey: How to Monitor Wild Salmon Migrations</title>
      <link>https://www.earthtoolsmaker.org/posts/tracking-the-journey-how-to-monitor-wild-salmon-migrations/</link>
      <pubDate>Fri, 30 Aug 2024 00:00:00 +0000</pubDate>
      <guid>https://www.earthtoolsmaker.org/posts/tracking-the-journey-how-to-monitor-wild-salmon-migrations/</guid>
      <description>&lt;p&gt;In this post, we will dive into the development of a wild salmon monitoring&#xA;system, currently deployed at 8 sites in British Columbia.&lt;/p&gt;&#xA;&lt;blockquote&gt;&#xA;&lt;p&gt;We must take every step in our control now as climate-change related trends&#xA;will make things more difficult for salmon populations in the years ahead.&#xA;This demands urgency for Pacific salmon and for the 130+ species, including&#xA;grizzlies, orcas and eagles, that depend on Pacific salmon.&lt;/p&gt;&#xA;&lt;p&gt;&lt;cite&gt;– Pacific Salmon Foundation&lt;/cite&gt;&lt;/p&gt;</description>
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    <item>
      <title>How to build a benthic coral reefs analyser</title>
      <link>https://www.earthtoolsmaker.org/posts/how-to-build-a-benthic-coral-reefs-analyser/</link>
      <pubDate>Wed, 10 Apr 2024 00:00:00 +0000</pubDate>
      <guid>https://www.earthtoolsmaker.org/posts/how-to-build-a-benthic-coral-reefs-analyser/</guid>
      <description>&lt;p&gt;In this post we explore the development of a benthic coral reef analyzer, built&#xA;in partnership with &lt;a href=&#34;https://reef.support&#34;&gt;ReefSupport&lt;/a&gt; to improve the tools for&#xA;monitoring coral reefs and marine environments.&lt;/p&gt;&#xA;&lt;p&gt;For the full picture, here is the coral analysis pipeline — tap through for the&#xA;project:&lt;/p&gt;&#xA;&lt;p&gt;&lt;a href=&#34;https://www.earthtoolsmaker.org/projects/coral_reef_health_monitoring/&#34;&gt;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;&#xA;  &#xA;  &lt;img&#xA;    src=&#34;https://www.earthtoolsmaker.org/images/projects/coral_reef_segmentation/diagrams/pipeline.svg&#34;&#xA;    alt=&#34;The coral analysis pipeline: capture, segment, classify, measure&#34;&#xA;    &#xA;    &#xA;    loading=&#34;lazy&#34;&#xA;    decoding=&#34;async&#34;&gt;&#xA;&#xA;&lt;/a&gt;&#xA;&lt;em&gt;Capture → segment → classify → measure coral cover over time&lt;/em&gt;&lt;/p&gt;&#xA;&lt;blockquote&gt;&#xA;&lt;p&gt;Leveraging computer vision for the segmentation of&#xA;coral reefs in benthic imagery holds the potential to&#xA;quantify the long-term growth or decline of coral cover&#xA;within&#xA;marine protected areas&lt;/p&gt;</description>
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