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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

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API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

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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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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

About

API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

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2 watching

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, '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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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

About

API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

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Stars

13 stars

Watchers

2 watching

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Packages

Used by

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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('^' + ".*" + '
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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

About

API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

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2 watching

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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" + '
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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

About

API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Topics

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Stars

13 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

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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('^' + ".*" + '
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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

About

API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Topics

Resources

Stars

13 stars

Watchers

2 watching

Forks

Releases

Packages

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('^' + ".*" + '
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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

About

API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Topics

Resources

Stars

13 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

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Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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API for SuctionNet-1Billion

API for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

Dataset

Download data and labels from our SuctionNet webpage.

Suction Definition

A suction is defined by its 3D suction point and direction. The direction is a normalized vector pointing outwards the object surface. See the image below.

To evaluate your algorithm, you should represent your predicted suction as a 7-dimensional vector. The first element is your predicted score, the following three elements are 3D suction point coordinate and the last three are normalized direction. For each view (totally 256 views in each scene), say you predict N suctions. The result you save for that view should be a Nx7 numpy array.

Installation

Please install Point Cloud Utils first, then use the following commands

git clone https://github.com/graspnet/suctionnetAPI
cd suctionnetAPI
pip install .

Evaluation Prerequisite

To evaluate predictions, please make sure you pass the completeness check. Refer examples/check_and_explore_data.py to check the completeness.

Examples

We provide several examples to use our API in folder examples

Check, explore and load data: examples/check_and_explore_data.py

Evaluate your results: examples/evaluation.py

Visualize data and labels: visualization.py

Create dense point clouds: dense_pcd.py

Citation

If you find our work useful, please cite

@ARTICLE{suctionnet,
author={Cao, Hanwen and Fang, Hao-Shu and Liu, Wenhai and Lu, Cewu},
journal={IEEE Robotics and Automation Letters}, title={SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping}, year={2021},
volume={6},
number={4},
pages={8718-8725},
doi={10.1109/LRA.2021.3115406}}

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API tools for SuctionNet-1Billion dataset of RA-L paper "SuctionNet-1Billion: A Large-Scale Benchmark for Suction Grasping"

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