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| author | Navan Chauhan <navanchauhan@gmail.com> | 2021-05-26 23:59:17 +0530 |
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| committer | Navan Chauhan <navanchauhan@gmail.com> | 2021-05-26 23:59:17 +0530 |
| commit | dfc509b95ff03d0c9027ee74d31d7b171f867bf1 (patch) | |
| tree | 4a7bfc10cc0e8c1cf41a0d50d9ec30d5f97d95e5 /docs/posts/2020-01-14-Converting-between-PIL-NumPy.html | |
| parent | d8b9e9c58b1ee676b4eaf605d94b38325775d12c (diff) | |
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diff --git a/docs/posts/2020-01-14-Converting-between-PIL-NumPy.html b/docs/posts/2020-01-14-Converting-between-PIL-NumPy.html new file mode 100644 index 0000000..7759e9a --- /dev/null +++ b/docs/posts/2020-01-14-Converting-between-PIL-NumPy.html @@ -0,0 +1,52 @@ +<!DOCTYPE html> +<html lang="en"> +<head> + + <link rel="stylesheet" href="/assets/main.css" /> + <link rel="stylesheet" href="/assets/sakura.css" /> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + <title>Hey - Post</title> + +</head> +<body> + <nav style="display: block;"> +| +<a href="/">home</a> | +<a href="/about/">about/links</a> | +<a href="/posts/">posts</a> | +<a href="/publications/">publications</a> | +<a href="/repo/">iOS repo</a> | +<a href="/feed.rss">RSS Feed</a> | +</nav> + +<main> + <h1>Converting between image and NumPy array</h1> + +<div class="codehilite"><pre><span></span><code><span class="kn">import</span> <span class="nn">numpy</span> +<span class="kn">import</span> <span class="nn">PIL</span> + +<span class="c1"># Convert PIL Image to NumPy array</span> +<span class="n">img</span> <span class="o">=</span> <span class="n">PIL</span><span class="o">.</span><span class="n">Image</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="s2">"foo.jpg"</span><span class="p">)</span> +<span class="n">arr</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">img</span><span class="p">)</span> + +<span class="c1"># Convert array to Image</span> +<span class="n">img</span> <span class="o">=</span> <span class="n">PIL</span><span class="o">.</span><span class="n">Image</span><span class="o">.</span><span class="n">fromarray</span><span class="p">(</span><span class="n">arr</span><span class="p">)</span> +</code></pre></div> + +<h2>Saving an Image</h2> + +<div class="codehilite"><pre><span></span><code><span class="k">try</span><span class="p">:</span> + <span class="n">img</span><span class="o">.</span><span class="n">save</span><span class="p">(</span><span class="n">destination</span><span class="p">,</span> <span class="s2">"JPEG"</span><span class="p">,</span> <span class="n">quality</span><span class="o">=</span><span class="mi">80</span><span class="p">,</span> <span class="n">optimize</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">progressive</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +<span class="k">except</span> <span class="ne">IOError</span><span class="p">:</span> + <span class="n">PIL</span><span class="o">.</span><span class="n">ImageFile</span><span class="o">.</span><span class="n">MAXBLOCK</span> <span class="o">=</span> <span class="n">img</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="n">img</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> + <span class="n">img</span><span class="o">.</span><span class="n">save</span><span class="p">(</span><span class="n">destination</span><span class="p">,</span> <span class="s2">"JPEG"</span><span class="p">,</span> <span class="n">quality</span><span class="o">=</span><span class="mi">80</span><span class="p">,</span> <span class="n">optimize</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">progressive</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</code></pre></div> + +</main> + + +<script src="assets/manup.min.js"></script> +<script src="/pwabuilder-sw-register.js"></script> +</body> +</html>
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