import{s as ee,o as se,n as le}from"../chunks/scheduler.9bc65507.js";import{S as ae,i as ne,g as p,s as a,r,A as pe,h as i,f as s,c as n,j as te,u as c,x as m,k as O,y as ie,a as l,v as g,d as f,t as h,w as u}from"../chunks/index.707bf1b6.js";import{T as me}from"../chunks/Tip.c2ecdbf4.js";import{C as M}from"../chunks/CodeBlock.54a9f38d.js";import{H as Gt,E as oe}from"../chunks/EditOnGithub.922df6ba.js";function re(tt){let o,b='このタスクと互換性のあるすべてのアーキテクチャとチェックポイントを確認するには、<a href="https://huggingface.co/tasks/depth-estimation" rel="nofollow">タスクページ</a> を確認することをお勧めします。';return{c(){o=p("p"),o.innerHTML=b},l(d){o=i(d,"P",{"data-svelte-h":!0}),m(o)!=="svelte-16h0jqp"&&(o.innerHTML=b)},m(d,D){l(d,o,D)},p:le,d(d){d&&s(o)}}}function ce(tt){let o,b,d,D,J,et,U,Bt=`単眼奥行き推定は、シーンの奥行き情報を画像から予測することを含むコンピューター ビジョン タスクです。
単一の画像。言い換えれば、シーン内のオブジェクトの距離を距離から推定するプロセスです。
単一カメラの視点。`,st,v,Ht=`単眼奥行き推定には、3D 再構築、拡張現実、自動運転、
そしてロボット工学。モデルがオブジェクト間の複雑な関係を理解する必要があるため、これは困難な作業です。
シーンとそれに対応する深度情報（照明条件などの要因の影響を受ける可能性があります）
オクルージョンとテクスチャ。`,lt,y,at,T,It="このガイドでは、次の方法を学びます。",nt,C,Et="<li>深度推定パイプラインを作成する</li> <li>手動で深度推定推論を実行します</li>",pt,Z,Vt="始める前に、必要なライブラリがすべてインストールされていることを確認してください。",it,x,mt,W,ot,k,zt=`深度推定をサポートするモデルで推論を試す最も簡単な方法は、対応する <a href="/docs/transformers/pr_22105/ja/main_classes/pipelines#transformers.pipeline">pipeline()</a> を使用することです。
<a href="https://huggingface.co/models?pipeline_tag=Depth-estimation&amp;sort=downloads" rel="nofollow">Hugging Face Hub のチェックポイント</a> からパイプラインをインスタンス化します。`,rt,R,ct,_,Xt="次に、分析する画像を選択します。",gt,G,ft,$,Nt='<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/tasks/depth-estimation-example.jpg" alt="Photo of a busy street"/>',ht,B,Qt="画像をパイプラインに渡します。",ut,H,dt,I,Ft=`パイプラインは 2 つのエントリを含む辞書を返します。最初のものは<code>predicted_ Depth</code>と呼ばれ、次の値を持つテンソルです。
深さは各ピクセルのメートル単位で表されます。
2 番目の<code>depth</code>は、深度推定結果を視覚化する PIL 画像です。`,Mt,E,Yt="視覚化された結果を見てみましょう。",yt,V,$t,w,St='<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/tasks/depth-visualization.png" alt="Depth estimation visualization"/>',wt,z,jt,X,Lt="深度推定パイプラインの使用方法を理解したので、同じ結果を手動で複製する方法を見てみましょう。",bt,N,qt=`まず、<a href="https://huggingface.co/models?pipeline_tag=Depth-estimation&amp;sort=downloads" rel="nofollow">Hugging Face Hub のチェックポイント</a> からモデルと関連プロセッサをロードします。
ここでは、前と同じチェックポイントを使用します。`,Jt,Q,Ut,F,At=`必要な画像変換を処理する<code>image_processor</code>を使用して、モデルの画像入力を準備します。
サイズ変更や正規化など:`,vt,Y,Tt,S,Pt="準備された入力をモデルに渡します。",Ct,L,Zt,q,Dt="結果を視覚化します。",xt,A,Wt,j,Kt='<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/tasks/depth-visualization.png" alt="Depth estimation visualization"/>',kt,P,Rt,K,_t;return J=new Gt({props:{title:"Monocular depth estimation",local:"monocular-depth-estimation",headingTag:"h1"}}),y=new me({props:{$$slots:{default:[re]},$$scope:{ctx:tt}}}),x=new M({props:{code:"cGlwJTIwaW5zdGFsbCUyMC1xJTIwdHJhbnNmb3JtZXJz",highlighted:"pip install -q transformers",wrap:!1}}),W=new Gt({props:{title:"Depth estimation pipeline",local:"depth-estimation-pipeline",headingTag:"h2"}}),R=new M({props:{code:"ZnJvbSUyMHRyYW5zZm9ybWVycyUyMGltcG9ydCUyMHBpcGVsaW5lJTBBJTBBY2hlY2twb2ludCUyMCUzRCUyMCUyMnZpbnZpbm8wMiUyRmdscG4tbnl1JTIyJTBBZGVwdGhfZXN0aW1hdG9yJTIwJTNEJTIwcGlwZWxpbmUoJTIyZGVwdGgtZXN0aW1hdGlvbiUyMiUyQyUyMG1vZGVsJTNEY2hlY2twb2ludCk=",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> pipeline

<span class="hljs-meta">&gt;&gt;&gt; </span>checkpoint = <span class="hljs-string">&quot;vinvino02/glpn-nyu&quot;</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>depth_estimator = pipeline(<span class="hljs-string">&quot;depth-estimation&quot;</span>, model=checkpoint)`,wrap:!1}}),G=new M({props:{code:"ZnJvbSUyMFBJTCUyMGltcG9ydCUyMEltYWdlJTBBaW1wb3J0JTIwcmVxdWVzdHMlMEElMEF1cmwlMjAlM0QlMjAlMjJodHRwcyUzQSUyRiUyRnVuc3BsYXNoLmNvbSUyRnBob3RvcyUyRkh3QkFzU2JQQkRVJTJGZG93bmxvYWQlM0ZpeGlkJTNETW53eE1qQTNmREI4TVh4elpXRnlZMmg4TXpSOGZHTmhjaVV5TUdsdUpUSXdkR2hsSlRJd2MzUnlaV1YwZkdWdWZEQjhNSHg4ZkRFMk56ZzVNREV3T0RnJTI2Zm9yY2UlM0R0cnVlJTI2dyUzRDY0MCUyMiUwQWltYWdlJTIwJTNEJTIwSW1hZ2Uub3BlbihyZXF1ZXN0cy5nZXQodXJsJTJDJTIwc3RyZWFtJTNEVHJ1ZSkucmF3KSUwQWltYWdl",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> PIL <span class="hljs-keyword">import</span> Image
<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">import</span> requests

<span class="hljs-meta">&gt;&gt;&gt; </span>url = <span class="hljs-string">&quot;https://unsplash.com/photos/HwBAsSbPBDU/download?ixid=MnwxMjA3fDB8MXxzZWFyY2h8MzR8fGNhciUyMGluJTIwdGhlJTIwc3RyZWV0fGVufDB8MHx8fDE2Nzg5MDEwODg&amp;force=true&amp;w=640&quot;</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>image = Image.<span class="hljs-built_in">open</span>(requests.get(url, stream=<span class="hljs-literal">True</span>).raw)
<span class="hljs-meta">&gt;&gt;&gt; </span>image`,wrap:!1}}),H=new M({props:{code:"cHJlZGljdGlvbnMlMjAlM0QlMjBkZXB0aF9lc3RpbWF0b3IoaW1hZ2Up",highlighted:'<span class="hljs-meta">&gt;&gt;&gt; </span>predictions = depth_estimator(image)',wrap:!1}}),V=new M({props:{code:"cHJlZGljdGlvbnMlNUIlMjJkZXB0aCUyMiU1RA==",highlighted:'<span class="hljs-meta">&gt;&gt;&gt; </span>predictions[<span class="hljs-string">&quot;depth&quot;</span>]',wrap:!1}}),z=new Gt({props:{title:"Depth estimation inference by hand",local:"depth-estimation-inference-by-hand",headingTag:"h2"}}),Q=new M({props:{code:"ZnJvbSUyMHRyYW5zZm9ybWVycyUyMGltcG9ydCUyMEF1dG9JbWFnZVByb2Nlc3NvciUyQyUyMEF1dG9Nb2RlbEZvckRlcHRoRXN0aW1hdGlvbiUwQSUwQWNoZWNrcG9pbnQlMjAlM0QlMjAlMjJ2aW52aW5vMDIlMkZnbHBuLW55dSUyMiUwQSUwQWltYWdlX3Byb2Nlc3NvciUyMCUzRCUyMEF1dG9JbWFnZVByb2Nlc3Nvci5mcm9tX3ByZXRyYWluZWQoY2hlY2twb2ludCklMEFtb2RlbCUyMCUzRCUyMEF1dG9Nb2RlbEZvckRlcHRoRXN0aW1hdGlvbi5mcm9tX3ByZXRyYWluZWQoY2hlY2twb2ludCk=",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> AutoImageProcessor, AutoModelForDepthEstimation

<span class="hljs-meta">&gt;&gt;&gt; </span>checkpoint = <span class="hljs-string">&quot;vinvino02/glpn-nyu&quot;</span>

<span class="hljs-meta">&gt;&gt;&gt; </span>image_processor = AutoImageProcessor.from_pretrained(checkpoint)
<span class="hljs-meta">&gt;&gt;&gt; </span>model = AutoModelForDepthEstimation.from_pretrained(checkpoint)`,wrap:!1}}),Y=new M({props:{code:"cGl4ZWxfdmFsdWVzJTIwJTNEJTIwaW1hZ2VfcHJvY2Vzc29yKGltYWdlJTJDJTIwcmV0dXJuX3RlbnNvcnMlM0QlMjJwdCUyMikucGl4ZWxfdmFsdWVz",highlighted:'<span class="hljs-meta">&gt;&gt;&gt; </span>pixel_values = image_processor(image, return_tensors=<span class="hljs-string">&quot;pt&quot;</span>).pixel_values',wrap:!1}}),L=new M({props:{code:"aW1wb3J0JTIwdG9yY2glMEElMEF3aXRoJTIwdG9yY2gubm9fZ3JhZCgpJTNBJTBBJTIwJTIwJTIwJTIwb3V0cHV0cyUyMCUzRCUyMG1vZGVsKHBpeGVsX3ZhbHVlcyklMEElMjAlMjAlMjAlMjBwcmVkaWN0ZWRfZGVwdGglMjAlM0QlMjBvdXRwdXRzLnByZWRpY3RlZF9kZXB0aA==",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">import</span> torch

<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">with</span> torch.no_grad():
<span class="hljs-meta">... </span>    outputs = model(pixel_values)
<span class="hljs-meta">... </span>    predicted_depth = outputs.predicted_depth`,wrap:!1}}),A=new M({props:{code:"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",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">import</span> numpy <span class="hljs-keyword">as</span> np

<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-comment"># interpolate to original size</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>prediction = torch.nn.functional.interpolate(
<span class="hljs-meta">... </span>    predicted_depth.unsqueeze(<span class="hljs-number">1</span>),
<span class="hljs-meta">... </span>    size=image.size[::-<span class="hljs-number">1</span>],
<span class="hljs-meta">... </span>    mode=<span class="hljs-string">&quot;bicubic&quot;</span>,
<span class="hljs-meta">... </span>    align_corners=<span class="hljs-literal">False</span>,
<span class="hljs-meta">... </span>).squeeze()
<span class="hljs-meta">&gt;&gt;&gt; </span>output = prediction.numpy()

<span class="hljs-meta">&gt;&gt;&gt; </span>formatted = (output * <span class="hljs-number">255</span> / np.<span class="hljs-built_in">max</span>(output)).astype(<span class="hljs-string">&quot;uint8&quot;</span>)
<span class="hljs-meta">&gt;&gt;&gt; </span>depth = Image.fromarray(formatted)
<span class="hljs-meta">&gt;&gt;&gt; </span>depth`,wrap:!1}}),P=new 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