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Top 3 data annotation tools - free and paid in 2022

August 30, 2022

Your AI project's success or failure will be determined by the data annotation tools you employ to enrich your data for training and deploying machine learning models. 

What is data annotation?

The process of labeling data to show the results you want your machine learning model to forecast is called data annotation in machine learning. You're marking up a dataset with the qualities you want your machine learning system to learn to recognize by labeling, tagging, transcribing, or processing it. 

What is a data annotation tool?

A data annotation tool is a solution that can be used to annotate industrial-grade training data for machine learning. It can be cloud-based, on-premise, or containerized. The following are essential features of data annotation software: Text, image, video, audio, time-series, and sensor data are all examples of data types that can be annotated with them. They support 2-D, 3-D, video, audio, transcription, and text annotation.

Important features of a data annotation tool.

1. Dataset management:

Annotation begins and ends with a thorough understanding of how to manage the dataset you're going to annotate. You must confirm that the tool you are contemplating will really import and support the large volume of data and file formats you need to label as a crucial element of your process. Datasets can be searched, filtered, sorted, cloned, and merged using this method.

2. Data quality control:

The quality of your data will determine the performance of your machine learning and AI models. Quality control (QC) and verification processes can be made easier with data annotation tools. Ideally, the tool will include quality control as part of the annotation process.

3. Data security:

Whether you're annotating sensitive protected personal information or your own valuable intellectual property, you'll want to keep your data secure. Tools should restrict data downloads and limit an annotator's viewing rights to data not assigned to them.

Tips for selecting a data annotation tool

1. Figure out what you're going to use it for: First and foremost, the type of data you wish to annotate as well as your work procedures will influence your tool selection. Text, image, and video can all be labeled with tools. Video labeling is possible with some image labeling software. As a result, select a tool based on your objectives.

2. What are the requirements for quality control?

Your data annotation tool should also take into account how you wish to measure and control quality. Quality control (QC) elements are included into many commercially accessible tools, and they can review, provide feedback, and correct activities.

3. Workforce training: Whether your data is annotated by employees or contractors, crowdsourcing, or an outsourcing provider, your workforce will need access to and training to use your data annotation tool, with specific instructions particular to your use case.

3 free data annotation tools

1. Isahit Lab:

Isahit is a platform for AI and data processing that uses ethical data labeling. Isahit Lab, their free image annotation tool, is agile, complete and easy to use. Helpful stepper, complete settings panel, clean & modern UI; you can also invite teams and users easily and track your performance on your dashboard.

It is a stand-alone web application that can be accessed with any modern web browser.https://www.isahit.com/lab

2. DataTurks:

DataTurks is a startup that allows you to tag data items such as images, text, and video for machine learning projects. It's a suite of tools and methods that make it simple for a large team to cooperate and create high-quality datasets for their projects.

3. Computer Vision Annotation Tool (CVAT):

CVAT is a web-based, free, open-source annotation tool that can be used to annotate image and video data for computer vision algorithms.

It has a dashboard with a list of annotation projects and tasks, as well as interpolation of shapes between keyframes, shortcuts for the most important activities, and a dashboard with a list of annotation projects and tasks. The primary tasks of supervised machine learning are supported by CVAT. Object identification, image classification, and image segmentation are all things that can be done with images.

3 paid data annotation tools

1. Labelbox

Labelbox's training data platform is designed to assist you in improving your training data iteration loop. It's built around three main pillars: the ability to annotate data, diagnose model performance, and prioritize tasks based on your findings. By using the latest in labeling automation, you can reduce annotation costs by 50-80%, iterate 3 times quicker on your AI data to construct more performant models, and work more efficiently with data scientists, labelers, and domain experts with Labelbox.

2. V7

V7 is an automated annotation platform that combines dataset management, image and video annotation, and autoML model training to perform labeling tasks automatically. V7 allows teams to store, manage, annotate, and automate data annotation operations in pictures, video, medical data, microscopy images, PDF and document processing, and other formats.

3. Isahit:

Isahit is an ethical data labeling platform for AI and data processing that automates AI training with a platform that generates and manages high-quality AI training data at scale. They have a well-trained crew, which ensures that a human is always in the loop for the greatest results.

Conclusion.

Your data annotation tool's sophistication and features have an impact on how you and your data team plan workflow, quality control, and many other areas of your data work. A tool that does not address your workforce and processes will cost you time and efficiency in the form of workarounds for features you wish were inherent to the product. 

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