Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

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14 stars

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

Topics

Resources

Stars

14 stars

Watchers

1 watching

Forks

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

Topics

Resources

Stars

14 stars

Watchers

1 watching

Forks

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

Topics

Resources

Stars

14 stars

Watchers

1 watching

Forks

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

Topics

Resources

Stars

14 stars

Watchers

1 watching

Forks

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

Topics

Resources

Stars

14 stars

Watchers

1 watching

Forks

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Repository files navigation

Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

About

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha

Topics

Resources

Stars

14 stars

Watchers

1 watching

Forks

Used by

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Captcha_solving

All about creating a dataset, preprocessing images, and creating an actual model to solve captcha


STEP 1 - creating a dataset

2 Méthodes :

  • unzip the captcha.7z archive, and put all image under the captcha folder
  • OR use generator.js to create your own captcha(s)

generator.js usage

  • install generator.js dependencies by using npm install inside the same directory as package.json
  • change out = './temp' to whatever temporary folder you want. Change SIZE = [720,360] to the size you want (its in width,height) and then change the FORMAT = "webp" to the format you want.
  • run it : node generator.js , wait until its finished generating captcha.

STEP 2 - pre-processing images for training

  • install opencv-python using pip, then run process_images by using python process_images.py command.

STEP 3 - creation a model

I based my creation on keras documentation

configuration stuff:

  • first download requirements : pip install -r requirements.txt
  • second try to run it and see if it detect any gpu devices (if you have one), if it tells you that you have 0 available gpu and you are on windows, I strongly recommand you to use wsl 2 by following tensorflow tutorial

    image If you are on other platform and don't see any gpus, use tensorflow tutorial as well, I'm not an expert in this kind of situation

now we are going to talk about actually running the model:

  • use python MODEL_CREATION.py then wait
  • check if there is any problem with the sizen it'll tell you img_width: [with], img_height: [height], Press Enter to continue... if its the good size (I made it so it resize the image to be 2 times smaller and does some cropping, so if you have in input a 720, 360 size, you'll see 529x120 size) then press enter.
    if it doesn't fit, try creating an issue and ask me why.
  • if everything is fine, you'll have a popup with image and their labels, if the text doesn't correspond, create an issue.
  • after some wait you'll have a text Train, Press Enter to continue..., this is the good part, where all the magic happens, after pressing enter it will train your model, all you have to do is wait until its finished.
  • then it'll automaticly save the model, and show you a panel of image with their corresponding prediction. At this point you're pretty much done

STEP 4 - Re-use the model

  • put test captcha as unprocessed (as normal, not preprocessed) in a directory named test, then simply run python main.py and voilaa, you should see the prediction and the label of the image
  • if prediction is bad, try to add more captcha to your dataset

That's all, if you have any problem or question, create an issue!

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