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Thank you for your support.</p><p class="error">Format error, Please fill in again</p><p class="yes">Confirm</p><p class="xqerror2">The data requirement cannot be less than 5 words and cannot be pure numbers</p><p class="nodata"></p><p class="TTS"></p><p class="mobile">m.nexdata.datatang.com/</p></div><script src="/nexdata/static/public/webphero/polyfills.js"></script><script src="/nexdata/static/public/webphero/webp-hero.bundle.js"></script><script>var webpMachine=new webpHero.WebpMachine;webpMachine.polyfillDocument()</script><script async type="text/javascript" src="https://bj-oss-datatang-03.oss-cn-beijing.aliyuncs.com/website/prod/tagJsMng/en/header-d41d8cd98f.js"></script><script async type="text/javascript" src="https://bj-oss-datatang-03.oss-cn-beijing.aliyuncs.com/website/prod/tagJsMng/en/body-d41d8cd98f.js"></script><script async type="text/javascript" src="https://bj-oss-datatang-03.oss-cn-beijing.aliyuncs.com/website/prod/tagJsMng/en/footer-d41d8cd98f.js"></script><script async src="/nexdata/static/dist/js/scrollhead/scrollhead-8f79b0f505.js"></script> </div><div class="oneBox"><main><h1>Sharpen Your <span>AI</span> with<div>Better Data</div></h1><p>Founded in 2011, Nexdata has grown to be a globally renowned AI training data service company. Nexdata owns an extensive library of off-the-shelf datasets and provides flexible data collection, annotation and curation services. Over a decade, we've empowered 10,000+ companies worldwide to enhance their AI models' performance.</p><div class="btns"><button class="leftBtn"><a data-href="/formPage/nexdata/consultDataService/Get In Touch" href="/getintouch" class="formLink" data-params='{"type":"18","btnSource":"consultDataService","dataName":"Get In Touch"}' title="machine learning dataset">Get in Touch</a> <img class="lazy-img" src="" data-src="/nexdata/static/image/index/rightArrow.svg" alt="off-the-shelf datasets"></button> <button class="rightBtn"><a href="/platform" title="data annotation,Try Annotation Platform">Try Annotation Platform</a></button></div></main></div><div class="twoBox"><main><p>Trusted by global AI Companies, Enterprises & Startups, University Research Institutes</p> <style>#medialist{overflow:hidden;margin-top:10px}#media{animation:rolling 50s infinite linear;display:flex}#media.special:hover,#media:hover{animation-play-state:paused}@keyframes rolling{0%{transform:translateX(0)}100%{transform:translateX(-120%)}}#media.special{animation:special 50s infinite linear;display:flex}@keyframes special{0%{transform:translateX(0)}100%{transform:translateX(-105%)}}#media li{margin-right:85px;display:flex;align-items:center}.twoBox main{margin-bottom:90px}.twoBox main p{text-align:center;color:#6d6e73;margin:59px 0 39px 0}</style><div id="medialist" class="medialist"> <ul id="media"> <li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon1.png" alt="NVIDIA"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon2.png" alt="Microsoft"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon3.png" alt="Intel"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon4.png" alt="APTIV"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon5.png" alt="Qualcomm"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon6.png" alt="SAMSUNG"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon7.png" alt="BOSCH"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon8.png" alt="General Motors"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon9.png" alt="Tencent"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon10.png" alt="AWS"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon11.png" alt="Google"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon12.png" alt="Cerence"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon13.png" alt="Deepmotion"></li><li><img class="lazy-img" src="" data-src="/nexdata/static/image/logos/home/icon14.png" alt="Meta"></li></ul></ul></div> </main></div><div class="threeBox"><main><div class="leftBox"><h2 class="commonTitle">Off-the-shelf datasets</h2><p>Nexdata's own datasets cover 200,000 hours of speech recognition data, 800TB of image data, about 2 billion pieces of natural language processing (NLP) data. These ready-to-go datasets can be delivered in seconds, quickly improve the accuracy of AI models.</p><div class="datasetsList"> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/cvd.svg" alt="Computer Vision Datasets"></div><a href="/datasets/computervision" title="Computer Vision Datasets">Computer Vision Datasets</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/nlu.svg" alt="NLU Datasets"></div><a href="/datasets/nlu" title="NLU Datasets">NLU Datasets</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/ssds.svg" alt="Speech Synthesis Datasets"></div><a href="/datasets/tts" title="Speech Synthesis Datasets">Speech Synthesis Datasets</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/ocrds.svg" alt="OCR Datasets"></div><a href="/datasets/ocr" title="OCR Datasets">OCR Datasets</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/srds.svg" alt="Speech Recognition Datasets"></div><a href="/datasets/speechrecog" title="Speech Recognition Datasets">Speech Recognition Datasets</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/llm.svg" alt="LLM Datasets"></div><a href="/datasets/llm" title="LLM Datasets">LLM Datasets</a></div> </div></div><div class="rightBox" data-description="Off-the-shelf Datasets"><img class="lazy-img picture" src="" data-src="/nexdata/static/image/index/newIndex/picture.webp" alt="Computer Vision Datasets"> <img class="lazy-img voice" src="" data-src="/nexdata/static/image/index/newIndex/voice.webp" alt="Voice Datasets"> <img class="lazy-img text" src="" data-src="/nexdata/static/image/index/newIndex/text.webp" alt="OCR Datasets"></div></main></div><div class="fourBox"><main><div class="dataService"><div class="leftBox"><img class="lazy-img service1" src="" data-src="/nexdata/static/image/index/newIndex/service1.webp" alt=""> <img class="lazy-img service2" src="" data-src="/nexdata/static/image/index/newIndex/service2.webp" alt=""> <img class="lazy-img service3" src="" data-src="/nexdata/static/image/index/newIndex/service3.webp" alt=""> <img class="lazy-img service4" src="" data-src="/nexdata/static/image/index/newIndex/service4.webp" alt=""> <img class="lazy-img service5" src="" data-src="/nexdata/static/image/index/newIndex/service5.webp" alt=""> <img class="lazy-img service6" src="" data-src="/nexdata/static/image/index/newIndex/service6.webp" alt=""> <img class="lazy-img service7" src="" data-src="/nexdata/static/image/index/newIndex/service7.webp" alt=""> <img class="lazy-img serviceText" src="" data-src="/nexdata/static/image/index/newIndex/serviceText.webp" alt="Text to Text Data Service"> <img class="lazy-img serviceVideo" src="" data-src="/nexdata/static/image/index/newIndex/serviceVideo.webp" alt="Video Data Service"> <img class="lazy-img serviceImg" src="" data-src="/nexdata/static/image/index/newIndex/serviceImg.webp" alt="Image Data Service"> <img class="lazy-img serviceVoice" src="" data-src="/nexdata/static/image/index/newIndex/serviceVoice.webp" alt="Voice Data Service"></div><div class="rightBox"><h2 class="commonTitle">Data Service</h2><p>Nexdata has global data processing factories and more than 20,000 professional annotators, supporting on-demand data annotation services, such as speech, image, video, point cloud and text, etc.</p><div class="serviceList"> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/3Dpcds.svg" alt="3D Point Cloud Data Service"></div><a href="/service/point-cloud" title="3D Point Cloud Data Service">3D Point Cloud Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/svds.svg" alt="Street View Data Service"></div><a href="/service/street-view" title="Street View Data Service">Street View Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/brds.svg" alt="Behavior Recognition Data Service"></div><a href="/service/behavior-recognition" title="Behavior Recognition Data Service">Behavior Recognition Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/ocrds.svg" alt="OCR Data Service"></div><a href="/service/ocr" title="OCR Data Service">OCR Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/irds.svg" alt="Identity Recognition Data Service"></div><a href="/service/identity-recognition" title="Identity Recognition Data Service">Identity Recognition Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/ssds.svg" alt="Speech Synthesis Data Service"></div><a href="/service/tts" title="Speech Synthesis Data Service">Speech Synthesis Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/srds.svg" alt="Speech Recognition Data Service"></div><a href="/service/speech-recognition" title="Speech Recognition Data Service">Speech Recognition Data Service</a></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/mds.svg" alt="Multimodal Data Service"></div><a href="/service/multimodal" title="Multimodal Data Service">Multimodal Data Service</a></div> </div></div></div><div class="annotation"><div class="leftBox"><h3 class="commonTitle">Annotation Platform</h3><p>Our annotation platform supports human-machine interaction and semi-automatic labeling, assiting you in effectively building more competitive AI products.</p><div class="annotationList"> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/3Dpcds.svg" alt="3D Point Cloud Annotation Tool"></div><p>3D Point Cloud Annotation Tool</p></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/sat.svg" alt="Speech Annotation Tool"></div><p>Speech Annotation Tool</p></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/rsat.svg" alt="Remote Sensing Annotation Tool"></div><p>Remote Sensing Annotation Tool</p></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/vat.svg" alt="Video Annotation Tool"></div><p>Video Annotation Tool</p></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/2Diat.svg" alt="2D Image Annotation Tool"></div><p>2D Image Annotation Tool</p></div> <div class="item"><div class="imgBox"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/tat.svg" alt="Text Annotation Tool"></div><p>Text Annotation Tool</p></div> </div></div><div class="rightBox"><div class="gif"><img class="background" src="/nexdata/static/image/index/newIndex/annotation.webp" alt="Nexdata Annotation Platform"> <img src="/nexdata/static/image/index/newIndex/annotation.gif" alt="Nexdata Annotation Platform"></div></div></div></main></div><div class="fiveBox"><main class="generative"><h4 class="commonTitle">Generative AI Data Service</h4><p>No matter your current stage in Generative AI development,<br>our data services aims to accelerate the growth of your AI initiatives.</p><div class="generativeBtn"><button><a href="/industries/generative-ai" title="Click to Get Solution">Click to Get Solution</a></button></div><div class="generativeTabs"><div class="tabList"><div class="item activeTab"><h3>Fine-Tuning</h3><p>Generate high-quality supervised fine-tuning data for model optimization with hints and output annotations.</p><div class="divider"></div></div><div class="item"><h3>RLHF</h3><p>Manually ranking multiple outputs generated by the SFT-trained model according to the rules provided by the client, or providing multi-factor scoring.</p><div class="divider"></div></div><div class="item"><h3>Red Teaming</h3><p>Train and validate models through drafting various adversarial attacks, such as exploratory or potentially harmful questions.</p><div class="divider"></div></div></div><div class="tabImg"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/generative0.webp" alt="Fine-Tuning"></div></div></main></div><div class="fiveBox"><main class="autonomous"><h5 class="commonTitle">Autonomous Vehicles Data Service</h5><p>Nexdata provides data covers from in-cabin sensing to outside cabin perception.<br>Satisfy all your needs for autonomous vehicles solution.</p><div class="generativeBtn"><button><a href="/industries/automotive" title="Click to Get Solution">Click to Get Solution</a></button></div><div class="generativeTabs"><div class="tabImg"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/autonomous0.webp" alt="In-Cabin Sensing Datasets"></div><div class="tabList"><div class="item activeTab"><h3>In-Cabin Sensing Datasets</h3><p>Nexdata have over 1000 off-the-shelf datasets ready to be delivered in seconds, we also provides data customization services for in-cabin applications, such as head pose, gaze, facial expressions understanding, gestures detection and etc,.</p><div class="divider"></div></div><div class="item"><h3>LiDAR Data Labeling</h3><p>We offers advanced and tailored data solutions specifically designed for ADAS/AV, including 3d point data annotation, data collection and a privatized deployable data labeling platform.</p><div class="divider"></div></div></div></div></main></div><div class="sixBox"><main><h6 class="commonTitle">Why Nexdata</h6> <style>.whyList{display:flex;flex-wrap:wrap;justify-content:space-between}.whyList .whyItem{min-width:558px;height:136px;display:flex}.whyList .whyItem .icon{width:136px;height:136px;position:relative}.whyList .whyItem .icon img{width:144px;height:159px;position:absolute;top:52%;left:50%;transform:translate(-50%,-50%)}.whyList .whyItem .conter{margin-left:21px}.whyList .whyItem .conter h3{margin:7px 0 16px 0}.whyList .whyItem:last-child .conter h3{margin:0 0 16px 0}</style><div class="whyList"> <div class="whyItem"><div class="icon"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/HighQuality.webp" alt="High Quality"></div><div class="conter"><h3>High Quality</h3><p>Multi-level quality inspections ensure high <br /> quality output, certified with ISO9001 <br /> quality management certification.</p></div></div> <div class="whyItem"><div class="icon"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/Efficiency.webp" alt="Efficiency"></div><div class="conter"><h3>Efficiency</h3><p>Support human-machine interaction and <br /> semi-automatic labeling, increasing labeling <br /> efficency by over 30% per annotator.</p></div></div> <div class="whyItem"><div class="icon"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/Compliance.webp" alt="Compliance"></div><div class="conter"><h3>Compliance</h3><p>We are fully compliant with GDPR and CCPA <br /> regulations and secure all the data shared <br /> with us.</p></div></div> <div class="whyItem"><div class="icon"><img class="lazy-img" src="" data-src="/nexdata/static/image/index/newIndex/Security.webp" alt="Security"></div><div class="conter"><h3>Security</h3><p>Prioritize the highest level of data security <br /> with a comprehensive security 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