import{S as ia,i as oa,s as na,e as i,k as r,w as f,t as c,M as ra,c as o,d as e,m as p,a as n,x as g,h,b as m,N as la,G as l,g as t,y as u,L as pa,q as d,o as b,B as y,v as ca}from"../../chunks/vendor-hf-doc-builder.js";import{I as Ue}from"../../chunks/IconCopyLink-hf-doc-builder.js";import{C as $}from"../../chunks/CodeBlock-hf-doc-builder.js";import{D as ha}from"../../chunks/DocNotebookDropdown-hf-doc-builder.js";function ma(Te){let w,ds,M,x,rs,Z,Ls,ps,Ks,bs,E,ys,X,Os,js,V,se,ws,A,ee,Ms,P,ae,Js,D,te,vs,k,cs,le,ie,hs,oe,xs,L,ne,ks,z,Us,J,U,ms,I,re,fs,pe,Ts,j,ce,K,he,me,R,fe,ge,_s,G,$s,O,ue,Zs,W,Es,N,ss,_e,zs,es,de,Is,B,Rs,v,T,gs,C,be,us,ye,Gs,as,je,Ws,_,we,Y,Me,Je,Ns,H,Bs,ts,ve,Cs,q,Ys,S,ls,$e,Hs,is,xe,qs,F,Ss,os,ke,Fs,Q,Qs;return Z=new Ue({}),E=new ha({props:{classNames:"absolute z-10 right-0 top-0",options:[{label:"Mixed",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/main/transformers_doc/en/zero_shot_image_classification.ipynb"},{label:"PyTorch",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/main/transformers_doc/en/pytorch/zero_shot_image_classification.ipynb"},{label:"TensorFlow",value:"https://colab.research.google.com/github/huggingface/notebooks/blob/main/transformers_doc/en/tensorflow/zero_shot_image_classification.ipynb"},{label:"Mixed",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/transformers_doc/en/zero_shot_image_classification.ipynb"},{label:"PyTorch",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/transformers_doc/en/pytorch/zero_shot_image_classification.ipynb"},{label:"TensorFlow",value:"https://studiolab.sagemaker.aws/import/github/huggingface/notebooks/blob/main/transformers_doc/en/tensorflow/zero_shot_image_classification.ipynb"}]}}),z=new $({props:{code:"cGlwJTIwaW5zdGFsbCUyMC1xJTIwdHJhbnNmb3JtZXJz",highlighted:"pip install -q transformers"}}),I=new Ue({}),G=new $({props:{code:"ZnJvbSUyMHRyYW5zZm9ybWVycyUyMGltcG9ydCUyMHBpcGVsaW5lJTBBJTBBY2hlY2twb2ludCUyMCUzRCUyMCUyMm9wZW5haSUyRmNsaXAtdml0LWxhcmdlLXBhdGNoMTQlMjIlMEFkZXRlY3RvciUyMCUzRCUyMHBpcGVsaW5lKG1vZGVsJTNEY2hlY2twb2ludCUyQyUyMHRhc2slM0QlMjJ6ZXJvLXNob3QtaW1hZ2UtY2xhc3NpZmljYXRpb24lMjIp",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;openai/clip-vit-large-patch14&quot;</span>
<span class="hljs-meta">&gt;&gt;&gt; </span>detector = pipeline(model=checkpoint, task=<span class="hljs-string">&quot;zero-shot-image-classification&quot;</span>)`}}),W=new $({props:{code:"ZnJvbSUyMFBJTCUyMGltcG9ydCUyMEltYWdlJTBBaW1wb3J0JTIwcmVxdWVzdHMlMEElMEF1cmwlMjAlM0QlMjAlMjJodHRwcyUzQSUyRiUyRnVuc3BsYXNoLmNvbSUyRnBob3RvcyUyRmc4b1M4LTgyRHhJJTJGZG93bmxvYWQlM0ZpeGlkJTNETW53eE1qQTNmREI4TVh4MGIzQnBZM3g4U25Cbk5rdHBaR3d0U0d0OGZIeDhmREo4ZkRFMk56Z3hNRFl3T0RjJTI2Zm9yY2UlM0R0cnVlJTI2dyUzRDY0MCUyMiUwQWltYWdlJTIwJTNEJTIwSW1hZ2Uub3BlbihyZXF1ZXN0cy5nZXQodXJsJTJDJTIwc3RyZWFtJTNEVHJ1ZSkucmF3KSUwQSUwQWltYWdl",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/g8oS8-82DxI/download?ixid=MnwxMjA3fDB8MXx0b3BpY3x8SnBnNktpZGwtSGt8fHx8fDJ8fDE2NzgxMDYwODc&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`}}),B=new $({props:{code:"cHJlZGljdGlvbnMlMjAlM0QlMjBjbGFzc2lmaWVyKGltYWdlJTJDJTIwY2FuZGlkYXRlX2xhYmVscyUzRCU1QiUyMmZveCUyMiUyQyUyMCUyMmJlYXIlMjIlMkMlMjAlMjJzZWFndWxsJTIyJTJDJTIwJTIyb3dsJTIyJTVEKSUwQXByZWRpY3Rpb25z",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span>predictions = classifier(image, candidate_labels=[<span class="hljs-string">&quot;fox&quot;</span>, <span class="hljs-string">&quot;bear&quot;</span>, <span class="hljs-string">&quot;seagull&quot;</span>, <span class="hljs-string">&quot;owl&quot;</span>])
<span class="hljs-meta">&gt;&gt;&gt; </span>predictions
[{<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">0.9996670484542847</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;owl&#x27;</span>},
 {<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">0.000199399160919711</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;seagull&#x27;</span>},
 {<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">7.392891711788252e-05</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;fox&#x27;</span>},
 {<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">5.96074532950297e-05</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;bear&#x27;</span>}]`}}),C=new Ue({}),H=new $({props:{code:"ZnJvbSUyMHRyYW5zZm9ybWVycyUyMGltcG9ydCUyMEF1dG9Qcm9jZXNzb3IlMkMlMjBBdXRvTW9kZWxGb3JaZXJvU2hvdEltYWdlQ2xhc3NpZmljYXRpb24lMEElMEFtb2RlbCUyMCUzRCUyMEF1dG9Nb2RlbEZvclplcm9TaG90SW1hZ2VDbGFzc2lmaWNhdGlvbi5mcm9tX3ByZXRyYWluZWQoY2hlY2twb2ludCklMEFwcm9jZXNzb3IlMjAlM0QlMjBBdXRvUHJvY2Vzc29yLmZyb21fcHJldHJhaW5lZChjaGVja3BvaW50KQ==",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> AutoProcessor, AutoModelForZeroShotImageClassification

<span class="hljs-meta">&gt;&gt;&gt; </span>model = AutoModelForZeroShotImageClassification.from_pretrained(checkpoint)
<span class="hljs-meta">&gt;&gt;&gt; </span>processor = AutoProcessor.from_pretrained(checkpoint)`}}),q=new $({props:{code:"ZnJvbSUyMFBJTCUyMGltcG9ydCUyMEltYWdlJTBBaW1wb3J0JTIwcmVxdWVzdHMlMEElMEF1cmwlMjAlM0QlMjAlMjJodHRwcyUzQSUyRiUyRnVuc3BsYXNoLmNvbSUyRnBob3RvcyUyRnhCUlFmUjJicU5JJTJGZG93bmxvYWQlM0ZpeGlkJTNETW53eE1qQTNmREI4TVh4aGJHeDhmSHg4Zkh4OGZId3hOamM0TXpnNE9ERXglMjZmb3JjZSUzRHRydWUlMjZ3JTNENjQwJTIyJTBBaW1hZ2UlMjAlM0QlMjBJbWFnZS5vcGVuKHJlcXVlc3RzLmdldCh1cmwlMkMlMjBzdHJlYW0lM0RUcnVlKS5yYXcpJTBBJTBBaW1hZ2U=",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/xBRQfR2bqNI/download?ixid=MnwxMjA3fDB8MXxhbGx8fHx8fHx8fHwxNjc4Mzg4ODEx&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`}}),F=new $({props:{code:"Y2FuZGlkYXRlX2xhYmVscyUyMCUzRCUyMCU1QiUyMnRyZWUlMjIlMkMlMjAlMjJjYXIlMjIlMkMlMjAlMjJiaWtlJTIyJTJDJTIwJTIyY2F0JTIyJTVEJTBBaW5wdXRzJTIwJTNEJTIwcHJvY2Vzc29yKGltYWdlcyUzRGltYWdlJTJDJTIwdGV4dCUzRGNhbmRpZGF0ZV9sYWJlbHMlMkMlMjByZXR1cm5fdGVuc29ycyUzRCUyMnB0JTIyJTJDJTIwcGFkZGluZyUzRFRydWUp",highlighted:`<span class="hljs-meta">&gt;&gt;&gt; </span>candidate_labels = [<span class="hljs-string">&quot;tree&quot;</span>, <span class="hljs-string">&quot;car&quot;</span>, <span class="hljs-string">&quot;bike&quot;</span>, <span class="hljs-string">&quot;cat&quot;</span>]
<span class="hljs-meta">&gt;&gt;&gt; </span>inputs = processor(images=image, text=candidate_labels, return_tensors=<span class="hljs-string">&quot;pt&quot;</span>, padding=<span class="hljs-literal">True</span>)`}}),Q=new $({props:{code:"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",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(**inputs)

<span class="hljs-meta">&gt;&gt;&gt; </span>logits = outputs.logits_per_image[<span class="hljs-number">0</span>]
<span class="hljs-meta">&gt;&gt;&gt; </span>probs = logits.softmax(dim=-<span class="hljs-number">1</span>).numpy()
<span class="hljs-meta">&gt;&gt;&gt; </span>scores = probs.tolist()

<span class="hljs-meta">&gt;&gt;&gt; </span>result = [
<span class="hljs-meta">... </span>    {<span class="hljs-string">&quot;score&quot;</span>: score, <span class="hljs-string">&quot;label&quot;</span>: candidate_label}
<span class="hljs-meta">... </span>    <span class="hljs-keyword">for</span> score, candidate_label <span class="hljs-keyword">in</span> <span class="hljs-built_in">sorted</span>(<span class="hljs-built_in">zip</span>(probs, candidate_labels), key=<span class="hljs-keyword">lambda</span> x: -x[<span class="hljs-number">0</span>])
<span class="hljs-meta">... </span>]

<span class="hljs-meta">&gt;&gt;&gt; </span>result
[{<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">0.998572</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;car&#x27;</span>},
 {<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">0.0010570387</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;bike&#x27;</span>},
 {<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">0.0003393686</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;tree&#x27;</span>},
 {<span class="hljs-string">&#x27;score&#x27;</span>: <span class="hljs-number">3.1572064e-05</span>, <span class="hljs-string">&#x27;label&#x27;</span>: <span class="hljs-string">&#x27;cat&#x27;</span>}]`}}),{c(){w=i("meta"),ds=r(),M=i("h1"),x=i("a"),rs=i("span"),f(Z.$$.fragment),Ls=r(),ps=i("span"),Ks=c("Zero-shot image classification"),bs=r(),f(E.$$.fragment),ys=r(),X=i("p"),Os=c(`Zero-shot image classification is a task that involves classifying images into different categories using a model that was
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\u201Cmap\u201D certain image features to labels. When there\u2019s a need to use such model for a classification task that introduces a
new set of labels, fine-tuning is required to \u201Crecalibrate\u201D the model.`),ws=r(),A=i("p"),ee=c(`In contrast, zero-shot or open vocabulary image classification models are typically multi-modal models that have been trained on a large
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The candidate labels can be simple words like in this example, or more descriptive.`),Is=r(),f(B.$$.fragment),Rs=r(),v=i("h2"),T=i("a"),gs=i("span"),f(C.$$.fragment),be=r(),us=i("span"),ye=c("Zero-shot image classification by hand"),Gs=r(),as=i("p"),je=c(`Now that you\u2019ve seen how to use the zero-shot image classification pipeline, let\u2019s take a look how you can run zero-shot
image classification manually.`),Ws=r(),_=i("p"),we=c("Start by loading the model and associated processor from a "),Y=i("a"),Me=c("checkpoint on the Hugging Face Hub"),Je=c(`.
Here we\u2019ll use the same checkpoint as before:`),Ns=r(),f(H.$$.fragment),Bs=r(),ts=i("p"),ve=c("Let\u2019s take a different image to switch things up."),Cs=r(),f(q.$$.fragment),Ys=r(),S=i("div"),ls=i("img"),Hs=r(),is=i("p"),xe=c(`Use the processor to prepare the inputs for the model. The processor combines an image processor that prepares the
image for the model by resizing and normalizing it, and a tokenizer that takes care of the text inputs.`),qs=r(),f(F.$$.fragment),Ss=r(),os=i("p"),ke=c("Pass the inputs through the model, and post-process the results:"),Fs=r(),f(Q.$$.fragment),this.h()},l(s){const a=ra('[data-svelte="svelte-1phssyn"]',document.head);w=o(a,"META",{name:!0,content:!0}),a.forEach(e),ds=p(s),M=o(s,"H1",{class:!0});var Xs=n(M);x=o(Xs,"A",{id:!0,class:!0,href:!0});var Ze=n(x);rs=o(Ze,"SPAN",{});var Ee=n(rs);g(Z.$$.fragment,Ee),Ee.forEach(e),Ze.forEach(e),Ls=p(Xs),ps=o(Xs,"SPAN",{});var ze=n(ps);Ks=h(ze,"Zero-shot image classification"),ze.forEach(e),Xs.forEach(e),bs=p(s),g(E.$$.fragment,s),ys=p(s),X=o(s,"P",{});var Ie=n(X);Os=h(Ie,`Zero-shot image classification is a task that involves classifying images into different categories using a model that was
not explicitly trained on data containing labeled examples from those specific categories.`),Ie.forEach(e),js=p(s),V=o(s,"P",{});var Re=n(V);se=h(Re,`Traditionally, image classification requires training a model on a specific set of labeled images, and this model learns to
\u201Cmap\u201D certain image features to labels. When there\u2019s a need to use such model for a classification task that introduces a
new set of labels, fine-tuning is required to \u201Crecalibrate\u201D the model.`),Re.forEach(e),ws=p(s),A=o(s,"P",{});var Ge=n(A);ee=h(Ge,`In contrast, zero-shot or open vocabulary image classification models are typically multi-modal models that have been trained on a large
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Instantiate a pipeline from a `),R=o(ns,"A",{href:!0,rel:!0});var Qe=n(R);fe=h(Qe,"checkpoint on the Hugging Face Hub"),Qe.forEach(e),ge=h(ns,":"),ns.forEach(e),_s=p(s),g(G.$$.fragment,s),$s=p(s),O=o(s,"P",{});var Xe=n(O);ue=h(Xe,"Next, choose an image you\u2019d like to classify."),Xe.forEach(e),Zs=p(s),g(W.$$.fragment,s),Es=p(s),N=o(s,"DIV",{class:!0});var Ve=n(N);ss=o(Ve,"IMG",{src:!0,alt:!0}),Ve.forEach(e),zs=p(s),es=o(s,"P",{});var Ae=n(es);de=h(Ae,`Pass the image and the candidate object labels to the pipeline. Here we pass the image directly; other suitable options
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image classification manually.`),Ke.forEach(e),Ws=p(s),_=o(s,"P",{});var Ds=n(_);we=h(Ds,"Start by loading the model and associated processor from a "),Y=o(Ds,"A",{href:!0,rel:!0});var Oe=n(Y);Me=h(Oe,"checkpoint on the Hugging Face Hub"),Oe.forEach(e),Je=h(Ds,`.
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