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<h1>CLIP Text Embedder</h1>
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<p>This is used to get prompt embeddings for <a href="../index.html">stable diffusion</a>. It uses HuggingFace Transformers CLIP model.</p>
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<div class="highlight"><pre><span class="lineno">14</span><span></span><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">List</span>
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<span class="lineno">15</span>
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<span class="lineno">16</span><span class="kn">from</span> <span class="nn">torch</span> <span class="kn">import</span> <span class="n">nn</span>
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<span class="lineno">17</span><span class="kn">from</span> <span class="nn">transformers</span> <span class="kn">import</span> <span class="n">CLIPTokenizer</span><span class="p">,</span> <span class="n">CLIPTextModel</span></pre></div>
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<h2>CLIP Text Embedder</h2>
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</div>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">20</span><span class="k">class</span> <span class="nc">CLIPTextEmbedder</span><span class="p">(</span><span class="n">nn</span><span class="o">.</span><span class="n">Module</span><span class="p">):</span></pre></div>
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<a href='#section-2'>#</a>
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<ul><li><code class="highlight"><span></span><span class="n">version</span></code>
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is the model version </li>
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<li><code class="highlight"><span></span><span class="n">device</span></code>
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is the device </li>
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<li><code class="highlight"><span></span><span class="n">max_length</span></code>
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is the max length of the tokenized prompt</li></ul>
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<div class="highlight"><pre><span class="lineno">25</span> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">version</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"openai/clip-vit-large-patch14"</span><span class="p">,</span> <span class="n">device</span><span class="o">=</span><span class="s2">"cuda:0"</span><span class="p">,</span> <span class="n">max_length</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">77</span><span class="p">):</span></pre></div>
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<div class="highlight"><pre><span class="lineno">31</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span></pre></div>
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<a href='#section-4'>#</a>
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<p>Load the tokenizer </p>
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<div class="highlight"><pre><span class="lineno">33</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span> <span class="o">=</span> <span class="n">CLIPTokenizer</span><span class="o">.</span><span class="n">from_pretrained</span><span class="p">(</span><span class="n">version</span><span class="p">)</span></pre></div>
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<div class='section-link'>
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<a href='#section-5'>#</a>
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<p>Load the CLIP transformer </p>
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<div class="highlight"><pre><span class="lineno">35</span> <span class="bp">self</span><span class="o">.</span><span class="n">transformer</span> <span class="o">=</span> <span class="n">CLIPTextModel</span><span class="o">.</span><span class="n">from_pretrained</span><span class="p">(</span><span class="n">version</span><span class="p">)</span><span class="o">.</span><span class="n">eval</span><span class="p">()</span>
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<span class="lineno">36</span>
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<span class="lineno">37</span> <span class="bp">self</span><span class="o">.</span><span class="n">device</span> <span class="o">=</span> <span class="n">device</span>
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<span class="lineno">38</span> <span class="bp">self</span><span class="o">.</span><span class="n">max_length</span> <span class="o">=</span> <span class="n">max_length</span></pre></div>
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<a href='#section-6'>#</a>
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<ul><li><code class="highlight"><span></span><span class="n">prompts</span></code>
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are the list of prompts to embed</li></ul>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">40</span> <span class="k">def</span> <span class="nf">forward</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prompts</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]):</span></pre></div>
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<p>Tokenize the prompts </p>
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<div class="highlight"><pre><span class="lineno">45</span> <span class="n">batch_encoding</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="p">(</span><span class="n">prompts</span><span class="p">,</span> <span class="n">truncation</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">max_length</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">max_length</span><span class="p">,</span> <span class="n">return_length</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
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<span class="lineno">46</span> <span class="n">return_overflowing_tokens</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">padding</span><span class="o">=</span><span class="s2">"max_length"</span><span class="p">,</span> <span class="n">return_tensors</span><span class="o">=</span><span class="s2">"pt"</span><span class="p">)</span></pre></div>
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<div class='section-link'>
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<a href='#section-8'>#</a>
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<p>Get token ids </p>
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<div class='code'>
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<div class="highlight"><pre><span class="lineno">48</span> <span class="n">tokens</span> <span class="o">=</span> <span class="n">batch_encoding</span><span class="p">[</span><span class="s2">"input_ids"</span><span class="p">]</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">device</span><span class="p">)</span></pre></div>
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<p>Get CLIP embeddings </p>
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<div class="highlight"><pre><span class="lineno">50</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">transformer</span><span class="p">(</span><span class="n">input_ids</span><span class="o">=</span><span class="n">tokens</span><span class="p">)</span><span class="o">.</span><span class="n">last_hidden_state</span></pre></div>
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<h1><a href="../index.html">Stable Diffusion</a> Models</h1>
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<ul><li><a href="autoencoder.html">AutoEncoder</a> </li>
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<li><a href="unet.html">U-Net</a> with <a href="unet_attention.html">attention</a> </li>
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<li><a href="clip_embedder.html">CLIP embedder</a>.</li></ul>
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|
||||
img.parentElement.style.textAlign = 'center'
|
||||
|
||||
var modal = document.createElement('div')
|
||||
modal.id = 'modal'
|
||||
|
||||
var modalContent = document.createElement('div')
|
||||
modal.appendChild(modalContent)
|
||||
|
||||
var modalImage = document.createElement('img')
|
||||
modalContent.appendChild(modalImage)
|
||||
|
||||
var span = document.createElement('span')
|
||||
span.classList.add('close')
|
||||
span.textContent = 'x'
|
||||
modal.appendChild(span)
|
||||
|
||||
img.onclick = function () {
|
||||
console.log('clicked')
|
||||
document.body.appendChild(modal)
|
||||
modalImage.src = img.src
|
||||
}
|
||||
|
||||
span.onclick = function () {
|
||||
document.body.removeChild(modal)
|
||||
}
|
||||
}
|
||||
|
||||
handleImages()
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
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Load Diff
Reference in New Issue
Block a user