Data Annotation

Annotating and labeling the data to use for a supervised/semi-supervised task.


Human in the Loop: Deep Learning without Wasteful Labelling
A new practical method for choosing batches of informative points in Deep Active Learning which avoids labelling redundancies that plague existing methods. ...
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Look inside the workings of "Label Smoothing"
This blog post describes how and why does "trick" of label smoothing improves the model accuracy and when should we use it
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Label Studio
Label Studio is a multi-type data labeling and annotation tool with standardized output format.
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Radically efficient machine teaching. An annotation tool powered by active learning.
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Universal Data Tool
Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.
annotation code library article
ML data annotations made super easy for teams, provides support for Image Annotation, Text and NER Annotation, Video Annotation.
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NLP Libraries
Open source text annotation tool for machine learning practitioner.
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BRAT: Rapid Annotation Tool
BRAT (brat rapid annotation tool) is based on the stav visualiser which was originally made in order to visualise BioNLP'11 Shared Task data.
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MedCAT - Medical Concept Annotation Tool
A tool used to extract information from Electronic Health Records (EHRs) and link it to biomedical ontologies like SNOMED-CT and UMLS.
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CV Libraries
🖍️ A graphical image annotation tool and label object bounding boxes in images.
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Computer Vision Annotation Tool (CVAT)
Free, online, interactive video and image annotation tool for computer vision.
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🐰 Python lib for remo - the app for annotations and images management in Computer Vision.
annotation object-detection image-classification remo
Labelai is an online tool designed to label images, useful for training AI models.
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VoTT: Visual Object Tagging Tool
An electron app for building end to end Object Detection Models from Images and Videos.
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Other Libraries
Open source audio annotation tool for humans™.
audio annotation research code
🔉 A web app to play, visualize, and annotate your audio files for machine learning.
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Audio Annotator
Javascript web interface for annotating audio data.
annotation audio audio-tagging library
Audio Class
Web-based tool for straight-forward class annotation of audio files.
audio annotation flask library
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