Add notes for 2023-05-04

After re-calculation with ssimulacra2 v2.1.

content/posts/2023-04.md

@@ -469,14 +469,14 @@ $ psql -d dspace -c "update bundle set primary_bitstream_id=NULL where primary_b
 
 |      | Q75 | Q80 | Q92 |
 |------|-----|-----|-----|
-| JPEG | 70  | 73  | 88  |
-| WebP | 73  | 76  | 82  |
-| AVIF | 82  | 83  | 92  |
+| JPEG | 71  | 74  | 88  |
+| WebP | 74  | 77  | 82  |
+| AVIF | 82  | 83  | 86  |
 
 - Then I checked the quality and file size (bytes) needed to hit an average ssimulacra2 score of 80 with each format:
-  - **JPEG**: Q89, 124596 bytes
-  - **WebP**: Q88, 84935 bytes (32% smaller than JPEG size)
-  - **AVIF**: Q62, 60347 bytes (52% smaller than JPEG size)
+  - **JPEG**: Q89, 124923 bytes
+  - **WebP**: Q86, 84662 bytes (33% smaller than JPEG size)
+  - **AVIF**: Q65, 67597 bytes (56% smaller than JPEG size)
 - [Google's original WebP study](https://developers.google.com/speed/webp/docs/webp_study) uses this technique to compare WebP to JPEG too
   - As the quality settings are not comparable between formats, we need to compare the formats at matching perceptual scores (ssimulacra2 in this case)
   - I used a ssimulacra2 score of 80 because that's the about the highest score I see with WebP using my samples, though JPEG and AVIF do go higher

content/posts/2023-05.md

@@ -22,4 +22,12 @@ categories: ["Notes"]
 $ psql < locks-age.sql | grep " days " | awk -F"|" '{print $10}' | sort -u | xargs kill
 ```
 
+## 2023-05-04
+
+- Sync DSpace Test with CGSpace
+- I replaced one item's thumbnail with a WebP version and XMLUI displays it fine
+- I spent some time checking the CMYK issue with Arch's ImageMagick 7 and the Docker container and I think ImageMagick 7 just handles CMYK wrong...
+  - libvips does it correctly automatically and looks closer to the PDF
+- Meeting about CG Core types
+
 <!-- vim: set sw=2 ts=2: -->

docs/2023-04/index.html

@@ -20,7 +20,7 @@ Start a harvest on AReS
 <meta property="og:type" content="article" />
 <meta property="og:url" content="https://alanorth.github.io/cgspace-notes/2023-04/" />
 <meta property="article:published_time" content="2023-04-02T08:19:36+03:00" />
-<meta property="article:modified_time" content="2023-05-02T10:39:34+03:00" />
+<meta property="article:modified_time" content="2023-05-04T14:44:51+03:00" />
 
 
 
@@ -48,7 +48,7 @@ Start a harvest on AReS
   "url": "https://alanorth.github.io/cgspace-notes/2023-04/",
   "wordCount": "2490",
   "datePublished": "2023-04-02T08:19:36+03:00",
-  "dateModified": "2023-05-02T10:39:34+03:00",
+  "dateModified": "2023-05-04T14:44:51+03:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -628,30 +628,30 @@ Start a harvest on AReS
 <tbody>
 <tr>
 <td>JPEG</td>
-<td>70</td>
-<td>73</td>
+<td>71</td>
+<td>74</td>
 <td>88</td>
 </tr>
 <tr>
 <td>WebP</td>
-<td>73</td>
-<td>76</td>
+<td>74</td>
+<td>77</td>
 <td>82</td>
 </tr>
 <tr>
 <td>AVIF</td>
 <td>82</td>
 <td>83</td>
-<td>92</td>
+<td>86</td>
 </tr>
 </tbody>
 </table>
 <ul>
 <li>Then I checked the quality and file size (bytes) needed to hit an average ssimulacra2 score of 80 with each format:
 <ul>
-<li><strong>JPEG</strong>: Q89, 124596 bytes</li>
-<li><strong>WebP</strong>: Q88, 84935 bytes (32% smaller than JPEG size)</li>
-<li><strong>AVIF</strong>: Q62, 60347 bytes (52% smaller than JPEG size)</li>
+<li><strong>JPEG</strong>: Q89, 124923 bytes</li>
+<li><strong>WebP</strong>: Q86, 84662 bytes (33% smaller than JPEG size)</li>
+<li><strong>AVIF</strong>: Q65, 67597 bytes (56% smaller than JPEG size)</li>
 </ul>
 </li>
 <li><a href="https://developers.google.com/speed/webp/docs/webp_study">Google&rsquo;s original WebP study</a> uses this technique to compare WebP to JPEG too

docs/2023-05/index.html

@@ -56,7 +56,7 @@ Work on cleaning, proofing, and uploading twenty-seven records for IFPRI to CGSp
   "@type": "BlogPosting",
   "headline": "May, 2023",
   "url": "https://alanorth.github.io/cgspace-notes/2023-05/",
-  "wordCount": "136",
+  "wordCount": "197",
   "datePublished": "2023-05-03T08:53:36+03:00",
   "dateModified": "2023-05-03T17:10:37+03:00",
   "author": {
@@ -151,7 +151,18 @@ Work on cleaning, proofing, and uploading twenty-seven records for IFPRI to CGSp
 <li>I notice there are a few dozen locks from the <code>dspaceWeb</code> pool that are five days old on CGSpace so I killed them</li>
 </ul>
 <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-console" data-lang="console"><span style="display:flex;"><span>$ psql &lt; locks-age.sql | grep <span style="color:#e6db74">&#34; days &#34;</span> | awk -F<span style="color:#e6db74">&#34;|&#34;</span> <span style="color:#e6db74">&#39;{print $10}&#39;</span> | sort -u | xargs kill
-</span></span></code></pre></div><!-- raw HTML omitted -->
+</span></span></code></pre></div><h2 id="2023-05-04">2023-05-04</h2>
+<ul>
+<li>Sync DSpace Test with CGSpace</li>
+<li>I replaced one item&rsquo;s thumbnail with a WebP version and XMLUI displays it fine</li>
+<li>I spent some time checking the CMYK issue with Arch&rsquo;s ImageMagick 7 and the Docker container and I think ImageMagick 7 just handles CMYK wrong&hellip;
+<ul>
+<li>libvips does it correctly automatically and looks closer to the PDF</li>
+</ul>
+</li>
+<li>Meeting about CG Core types</li>
+</ul>
+<!-- raw HTML omitted -->
 
   
 

docs/categories/index.html

@@ -10,7 +10,7 @@
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