Medical AI Insights & Data Annotation Best Practices

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December 16, 2025

The Verge: Objectively Measuring Human Data Quality

Tristan Bishop, Head of Marketing

The recent The Verge article reveals how the AI ecosystem is now dominated by data annotation firms supplying human-generated signals for training and evaluating large language models. As companies like Mercor, Surge AI, and Handshake grow, the quality of human annotation has emerged as the principal constraint on model reliability. Centaur.ai offers a research-driven approach to data annotation and model evaluation that prioritizes expert judgment, clear rubric design, and structured quality controls. This ensures that models learn meaningful signals and perform reliably in real-world applications. For organizations seeking better training data and stronger evaluation outcomes, centaur.ai’s solution leads the industry.

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December 8, 2025

Centaur.ai Wins HealthAwards.com Gold for Mobile Digital Health Resources

DiagnosUs has won the HealthAwards.com Gold award for Mobile Digital Health Resources, affirming its role as a leading platform for high-quality clinical data annotation. The recognition reinforces Centaur.ai’s accuracy-first approach, demonstrating that expert-validated labeling at scale is essential for trustworthy LLM training and evaluation in healthcare.

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December 4, 2025

Why High-Fidelity Annotation Determines What Your Model Can Actually Learn

This blog post highlights how high-fidelity annotation determines the reliability of models in complex scientific and medical domains. It introduces a MedTech case study demonstrating Centaur.ai’s volumetric workflow, expert-driven review, and rigorous quality controls that enabled sub-millimeter cardiac segmentation for advanced simulation and AI training. Readers are encouraged to download the full case study.

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Recent stories

December 1, 2025

The Hidden Work Behind Healthcare AI: Insights from Jill Goldsberry on VistaTalks

Jill Goldsberry joins VistaTalks to break down why healthcare AI succeeds or fails based on the quality of its data. She explains how Centaur.ai blends expert labeling, scalable processes, and compliance-minded workflows to support trustworthy medical AI. This episode highlights the real work behind clinically meaningful machine-learning systems.

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November 24, 2025

High-Quality Annotation Powers Radiology AI | Centaur AI

Radiology AI improves acquisition, processing, interpretation, reporting, and long-term monitoring, but performance depends entirely on high-quality annotations. Centaur.ai delivers expert-reviewed, rigorously validated radiology labels at scale, enabling reliable LLM training and evaluation for clinical imaging. Strong data is the foundation of trustworthy radiology AI.

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November 17, 2025

Meet Centaur AI at NeurIPS | AI Conference

Centaur.ai delivers high-quality annotations for neurological datasets where precision determines scientific validity. Through competitive collective intelligence, Centaur produces reproducible labels that strengthen model evaluation and training. NeurIPS attendees working with EEG, EMG, multimodal waveforms, or cognitive modeling should meet with Centaur to see how accuracy is engineered, not assumed.

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November 10, 2025

Visit Centaur AI at RSNA 2025 | Radiology Conference

Radiology AI models are only as strong as their annotations. Centaur.ai engineers quality through collective intelligence, combining expert crowds, benchmarking, and performance-based incentives to produce validated data for model training and evaluation. Visit our RSNA booth to see how we make radiology AI accuracy inevitable at scale.

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November 3, 2025

Why Radiology AI Can't Afford Poor Annotation | Centaur AI

Radiology AI requires engineered annotation quality for training and evaluation to avoid dangerous clinical error. Centaur uses collective intelligence to outperform individual annotators and create reliable labels for imaging tasks like stroke detection and tumor classification, producing scientifically trustworthy datasets for LLM evaluation and high stakes medical AI applications.

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October 23, 2025

Social Listening Annotation for Brand Health | Centaur AI

Multimodal social listening requires more than raw data. To truly understand brand health across text, image, and video, companies need high-quality annotated datasets. Centaur.ai combines synthetic, privacy-safe data with expert labeling to deliver precise, scalable insights that keep brands compliant, resilient, and prepared for real-time consumer sentiment shifts.

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October 20, 2025

Content Moderation AI: Why Data Quality Matters | Centaur AI

Content moderation depends on more than AI automation—it requires high-quality training data. Centaur.ai delivers expert-labeled, multimodal datasets that help platforms detect hate speech, disinformation, explicit content, and compliance risks. By combining human insight with scalable infrastructure, Centaur.ai builds safer, more ethical, and more adaptable moderation systems.

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October 14, 2025

Drone & Satellite AI: Data Annotation Quality | Centaur AI

Drones and satellites reveal emissions that once went unseen. But the true value lies in expert annotation that turns raw images into intelligence. High-quality data annotation is essential for training and evaluating AI models, ensuring accurate detection, compliance, and trust in a future where proof is the standard.

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October 13, 2025

Supply Chain AI: Quality Annotation Foundation | Centaur AI

Supply chains run on data, but manual entry creates errors that block automation and weaken AI. Annotated documents deliver structured, high-quality data ready for both workflow automation and LLM training. With Centaur.ai, businesses achieve faster approvals, reliable compliance, and datasets that power predictive, AI-driven supply chains.

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October 8, 2025

From Alert Fatigue to Focus in Healthcare AI | Centaur AI

Compliance teams face rising alert volumes and regulatory pressure. LLMs can transform triage, reduce false positives, and accelerate reviews, but only if implemented with transparency, audit trails, and high-quality labeled data. Centaur.ai provides the expert-labeled foundation that makes AI adoption both safe and regulator-ready.

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October 1, 2025

Synthetic Financial Data for Privacy-Safe AI | Centaur AI

Synthetic financial datasets let banks and financial firms train AI models safely without exposing customer data. By replicating real-world patterns without real records, they improve fraud detection, credit scoring, and compliance testing. Centaur.ai provides expert-annotated, scalable synthetic data to power privacy-safe innovation in financial AI.

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September 15, 2025

Edge Case Detection for Robotics AI | Centaur AI

Edge case detection enables robots to adapt to real-world variability in manufacturing, from lighting shifts to unexpected obstacles. By combining human annotation with AI training, Centaur.ai helps manufacturers reduce downtime, prevent defects, and build trust in automation. The result is safer, smarter, and more resilient robotic systems.

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September 8, 2025

Human-in-the-Loop for Safer Robotics AI | Centaur AI

Human-in-the-Loop AI combines robotic efficiency with human oversight to reduce errors, improve safety, and ensure trust. From healthcare to warehouses to autonomous vehicles, Centaur.ai provides expert annotation, analytics, and scalable infrastructure that keep robotics reliable, compliant, and ethical. The future belongs to teams where humans and AI work together.

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September 1, 2025

Insurance Claims AI Annotation | Centaur AI

AI is transforming claims processing in financial services and insurance. By pairing automation with expert data annotation, companies reduce errors, accelerate resolutions, and ensure compliance. Centaur.ai delivers precise labeling for forms, emails, and documents, enabling AI models to handle repetitive tasks while humans focus on nuanced decisions.

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August 28, 2025

Energy & Climate AI: Smarter Data Labeling | Centaur AI

AI models in climate and energy depend on accurate data, not just algorithms. Centaur.ai delivers expert-validated, edge-aware labels that adapt to shifting seasons, regions, and infrastructure. From tagging satellite imagery to QA-ing emissions outputs, our collective intelligence approach ensures more reliable insights for planet-scale challenges.

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August 25, 2025

Product Recommendation AI: Retail Annotation | Centaur AI

Recommendation engines depend less on algorithm choice and more on training data quality. Centaur.ai combines human expertise with scalable infrastructure to deliver context-rich annotations that enhance personalization. From reviews and purchase histories to product images, Centaur.ai ensures recommendations are relevant, accurate, and adaptable, driving loyalty and long-term value.

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August 18, 2025

Crop Health AI: Smart Data Labeling | Centaur AI

AI is transforming agriculture, but accurate crop health monitoring depends on high-quality data labeling. Centaur.ai provides expert human annotation for aerial imagery, sensor data, and video streams, enabling early stress detection, yield forecasting, and spoilage prevention. With scale, speed, and precision, Centaur turns raw agricultural data into actionable insights.

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August 11, 2025

AI Data Labeling for Manufacturing Robots | Centaur AI

Autonomous robots in manufacturing rely on high-quality labeled data to function effectively. Precise annotation enables defect detection, precision assembly, and safe collaboration. Continuous labeling prevents performance drift as factories evolve. Centaur.ai delivers expert labeling services that power smarter factories where human insight and machine intelligence work seamlessly together.

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August 4, 2025

MedAESQA: Medical Question Answering Benchmark | Centaur AI

Centaur.ai provided clinicians who evaluated AI-generated medical answers for the NIH’s MedAESQA dataset, verifying each statement’s accuracy and citation support. This expert-in-the-loop process ensures reliable, evidence-based benchmarks for healthcare AI. The project reflects Centaur.ai’s mission to improve AI through human oversight in high-stakes, precision-critical environments like medicine.

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July 31, 2025

Quality Control AI for Manufacturing | Centaur AI

AI-driven quality control in robotics and manufacturing depends on precisely labeled data. Centaur.ai delivers high-accuracy annotations at scale, combining human expertise with advanced tools to ensure reliable defect detection and production efficiency. Better data means smarter, safer automation.

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July 15, 2025

Gamified Healthcare AI Data: Competitive Annotation | Centaur AI

The healthcare industry generates vast unstructured data, making high-quality annotation vital for safe, effective AI. Gamification transforms repetitive labeling into competitive, engaging challenges that sharpen accuracy, sustain motivation, and reward excellence. By combining competition, feedback, and incentives, Centaur ensures data quality that fuels trustworthy healthcare AI breakthroughs.

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July 1, 2025

Ground Medical AI in Expert-Labeled Data | Centaur AI

Centaur.AI collaborated with Microsoft Research and the University of Alicante to create PadChest-GR, the first multimodal, bilingual, sentence-level dataset for grounded radiology reporting. This breakthrough enables AI models to justify diagnostic claims with visual references, improving transparency and reliability in medical AI.

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June 21, 2025

Minimize Bias in Medical AI: Data Curation Practices | Centaur AI

Emphasized the importance of data curation practices in reducing bias in medical AI, promoting diverse datasets, expert collaboration, and fairness metrics for more equitable outcomes.

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June 15, 2025

Cognitive-Inspired Data Engineering for AI | Centaur AI

Centaur.AI’ latest study tackles human bias in crowdsourced AI training data using cognitive-inspired data engineering. By applying recalibration techniques, they improved medical image classification accuracy significantly. This approach enhances AI reliability in healthcare and beyond, reducing bias and improving efficiency in machine learning model training.

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June 2, 2025

Multiple Opinions Drive Data Labeling Accuracy | Centaur AI

How Centaur.AI leverages multiple expert opinions to create the most accurate medical data labeling platform for text, image and video data

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May 30, 2025

Webinar: Expert Feedback in Healthcare AI | Centaur AI

Expert feedback is essential for safe, effective healthcare AI, as emphasized in a Centaur Labs webinar featuring leaders from Google Health, PathAI, and Centaur.

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May 23, 2025

DICOM & OHIF for Medical Imaging AI | Centaur AI

This post explores the importance of DICOM in medical imaging and how Centaur Labs' integration with the OHIF viewer provides precise annotation tools for accurate medical AI development.

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May 15, 2025

Scale Your Medical Data Labeling Pipeline 10x | Centaur AI

Understand why traditional labeling pipelines are hard to scale—and discover how our solution can 10X your pipeline faster, with greater accuracy and efficiency.

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May 9, 2025

Lung Nodule Segmentation Case Study | Ryver & Centaur AI

Centaur partnered with Ryver.ai to rigorously evaluate the accuracy of their synthetic lung nodule segmentations. Using our expert-led validation framework, we found Ryver’s synthetic annotations performed on par with human experts—highlighting synthetic data’s growing role in medical AI development.

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April 1, 2025

Biomedical LLM Evaluation Case Study | Centaur AI

Collaborated with leading researchers to assess biomedical LLMs, advancing AI’s ability to answer medical queries and simplify complex scientific concepts.

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January 13, 2025

PadChest-GR: Microsoft CXR Dataset with Centaur AI

Learn PADChest GR, a new CXR dataset for GenAI by Microsoft Research & University of Alicante, developed with Centaur Labs' expert support.

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November 4, 2024

$750K Grant: Brigham & Centaur AI Research | Life Sciences

A $750,000 grant from the Massachusetts Life Sciences Center will support Brigham & Women’s Hospital researchers in their efforts to transform medical research.

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October 22, 2024

Protege Partnership | AI Development | Centaur AI

A new partnership between Protégé and Centaur Labs aims to accelerate AI development, driving innovation in healthcare and research technology.

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October 8, 2024

Centaur AI Raises $16M Series B | Funding Announcement

Explored data curation strategies to mitigate bias in medical AI, with a focus on diverse datasets, expert input, and ensuring fairness in results.

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August 26, 2024

MICCAI 2024: Crowdsourced Annotations Research | Centaur AI

Centaur Labs' crowdsourced annotations research, accepted at MICCAI 2024. Collaborating with Brigham and Women’s Hospital to advance medical AI.

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August 15, 2024

Time Range Selection for Medical Video Annotation | Centaur AI

Know Centaur AI's new time range selection feature that speeds up medical video annotation, improving accuracy and efficiency in healthcare data processing.

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July 26, 2024

Eight Sleep: 70% to 93% Accuracy with Gamified Labeling

Gamified data labeling enhances model accuracy from 70% to 93% in a case study with Eight Sleep, demonstrating the effectiveness of multimodal annotation.

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June 18, 2024

SciBite: 2-Month Timeline Reduction | Text Classification

Partnered with SciBite to accelerate vocabulary curation, cutting the timeline by over two months through expert crowd-labeling, achieving 90.3–95.1% accuracy.

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May 16, 2024

VUNO FDA Clearance Case Study | Brain MRI AI | Centaur AI

Collaborated with VUNO to annotate brain MRI data, contributing to FDA clearance for VUNO Med®-DeepBrain®, an AI tool designed to assist in early dementia detection.

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January 11, 2024

SAM Auto-Segmentation for Medical Images | Centaur AI

Centaur.ai introduces auto-segmentation powered by SAM, streamlining medical image labeling with AI-assisted accuracy and expert crowd validation.

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December 8, 2023

AI Safety in Healthcare: Expert Discussion | Centaur AI

CEO Erik Duhaime discussed AI safety in healthcare with AI Unleashed, addressing challenges in data, model oversight, and the future of human-AI collaboration.

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September 7, 2023

Colonoscopy Video Annotation for GI AI | Centaur AI

Centaur Labs’ scaled expert annotation of colonoscopy videos, achieving high throughput and consensus, dramatically enhanced the quality and speed of Satisfai Health’s GI AI development.

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August 31, 2023

Erik Duhaime on GenAI in Healthcare | Emerj Interview

Erik Duhaime, CEO and Co-founder of Centaur.ai, discusses the impact of generative AI on healthcare and life sciences in an interview with Emerj.

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July 27, 2023

New DICOM Labeling & Text Highlighting Features | Centaur AI

Announcing a new DICOM labeling experience and text highlighting features, designed to improve medical image annotation and support better healthcare outcomes.

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July 6, 2023

AIBerry Mental Health AI Case Study | Centaur AI

Centaur.ai teamed Aiberry to annotate a new video dataset for mental health AI, boosting emotion detection and improving depression screening accuracy.

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March 30, 2023

SOC 2 Type II Certification | Centaur AI Security

Centaur.ai completes SOC 2 Type II audit, reinforcing its commitment to data security, privacy, and operational excellence for customers and partners.

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January 11, 2023

Volastra Therapeutics Case Study | Chromosome Analysis

Worked with Volastra Therapeutics to annotate cancer cell images, supporting AI models in quantifying chromosomal instability and advancing cancer research.

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December 20, 2022

Paige AI Pathology Case Study | Centaur AI Annotations

Paige collaborates with Centaur.ai to enhance its algorithm, using high-quality data annotations to boost accuracy and performance in breast cancer detection models.

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December 14, 2022

Consensus Scientific Search Case Study | Centaur AI

Centaur Labs contributes high-quality data annotations to enhance Consensus’ scientific search algorithm, improving accuracy and boosting research capabilities.

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December 2, 2022

API Integrations for Medical Data Pipelines | Centaur AI

Learn how to automate your data pipeline with Centaur's end-to-end API integrations, streamlining workflows and enhancing efficiency for seamless data management.

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November 22, 2022

RSNA 2022: Clinical AI Safety at Scale | Centaur AI

Centaur Labs explores the importance of ensuring clinical AI safety at scale, offering insights on building trustworthy healthcare technologies.

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November 21, 2022

Dandelion Health Partnership | Clinical Data at Scale

Dandelion Health teams up with Centaur.ai to provide AI developers scalable access to high-quality clinical data, driving progress in healthcare technology.

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September 2, 2022

Consensus Partnership for Scientific Data Labels | Centaur AI

The new AI-powered scientific search engine, Consensus, partners with Centaur.ai to generate high-quality, scalable scientific data labels for research.

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August 31, 2022

9 Types of Medical Text Datasets for AI Training | Centaur AI

From SMS to insurance claims, pathology reports, and scientific studies, this post explores the most common medical text datasets used for NLP in healthcare.

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August 30, 2022

6 Culture-Building Traditions for Hybrid Teams | Centaur AI

In the era of hybrid work, creativity and thoughtfulness are key to team success. Learn how we’re helping our team thrive, no matter where they work.

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August 19, 2022

NLP in Healthcare Blog Series | Centaur AI

Learn all about NLP in healthcare - and the medical text datasets that power it - in our new 4-part blog series.

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August 1, 2022

Mayo Clinic Lucem Health Partnership | Centaur AI

Learn about our partnership with Mayo Clinic spin out Lucem Health, and how clinical AI development teams can access high quality medical data annotations at scale.

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May 10, 2022

Erik Duhaime on AI in Action Podcast | Centaur AI

Listen to Co-founder and CEO Erik Duhaime talk about the origins of Centaur Labs and the future of medical data labeling.

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April 19, 2022

Knee AI Model Published: JIS Orthopedics & Centaur AI

The model recommends patients for partial (UKA) or total (UKA) knee arthroplasty with high confidence, based on standard knee x-ray views.

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March 9, 2022

The Centaur: Our Company's Mythical Namesake | Centaur AI

Uncover the essence of Centaur Labs, a pioneer in combining human and machine intelligence for superior medical data labeling in the evolving healthcare landscape.

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February 2, 2022

Dermatology AI Research: Disease Prevalence Effects | Centaur AI

A Centaur Labs study found that disease prevalence and expert feedback significantly influence diagnostic accuracy in dermatology, highlighting the need for contextual data and ongoing guidance to reduce errors and improve clinical decision-making.

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January 18, 2022

CB Insights Digital Health 150 Recognition | Centaur AI

Centaur.ai is recognized by CB Insights as a top global digital health startup

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September 3, 2021

Centaur AI Series A Funding Announcement

We are so humbled and excited to share our recent $15M Series A funding round led by Matrix Partners!

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August 4, 2021

Team Spotlight: Tom Gellatly | Centaur AI

Today, we’re getting to know Tom Gellatly, a Centaur Labs co-founder and the VP of engineering!

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July 8, 2021

Brigham & Women's Hospital Partnership | Centaur AI

Learn more about how Centaur.ai is working with the Brigham and Women's Hospital team to develop multiple AI applications for point-of-care ultrasound.

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March 29, 2021

Data-Driven QA for Medical AI Annotation | Centaur AI

Medical assessments are rarely black and white. To handle the grey, we offer a rigorous, data-driven approach to QA.

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February 18, 2021

CEO Erik Duhaime Interview on Medical AI | Centaur AI

Founder and CEO of Centaur.ai talks to AI Med magazine about the power of collective intelligence.

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December 8, 2020

When Medical Experts Disagree: AI Training Data | Centaur AI

Learn the how to mitigate the impact of medical error in your data labeling pipeline by intelligently aggregating multiple expert opinions together

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December 3, 2020

Open Source Datasets for Medical AI Training | Centaur AI

Access dozens of open-source medical AI image datasets in formats like X-ray, CT, MRI, Ultrasound, Whole Slide Imaging, and more for research and training.

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August 1, 2020

Build a Scalable Medical Data Labeling Pipeline | Centaur AI

Examine the unique challenges of medical data labeling, why traditional methods fall short, and explore a more accurate, scalable alternative solution.

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