The automated data annotation tool market is booming, projected to reach $10 billion by 2033. Learn about market trends, key players (Amazon, Google, etc.), and the driving forces behind this explosive growth in AI training data. Discover insights into regional market shares and segmentation data.

The automated data annotation tool market is experiencing robust growth, driven by the increasing demand for high-quality training data in artificial intelligence (AI) and machine learning (ML) applications. The market, valued at approximately $2.5 billion in 2025, is projected to exhibit a Compound Annual Growth Rate (CAGR) of 25% from 2025 to 2033. This significant expansion is fueled by several key factors. The proliferation of AI-powered applications across various industries, including healthcare, automotive, and finance, necessitates vast amounts of accurately annotated data. Furthermore, the ongoing advancements in deep learning algorithms and the emergence of sophisticated annotation tools are streamlining the data annotation process, making it more efficient and cost-effective. The market is segmented by tool type (text, image, and others) and application (commercial and personal use), with the commercial segment currently dominating due to the substantial investment by enterprises in AI initiatives. Geographic distribution shows a strong concentration in North America and Europe, reflecting the high adoption rate of AI technologies in these regions; however, Asia-Pacific is expected to show significant growth in the coming years due to increasing technological advancements and investments in AI development. The competitive landscape is characterized by a mix of established technology giants and specialized data annotation providers. Companies like Amazon Web Services, Google, and IBM offer integrated annotation solutions within their broader cloud platforms, competing with smaller, more agile companies focusing on niche applications or specific annotation types. The market is witnessing a trend toward automation within the annotation process itself, with AI-assisted tools increasingly employed to reduce manual effort and improve accuracy. This trend is expected to drive further market growth, even as challenges such as data security and privacy concerns, as well as the need for skilled annotators, persist. However, the overall market outlook remains positive, indicating continued strong growth potential through 2033. The increasing demand for AI and ML, coupled with technological advancements in annotation tools, is expected to overcome existing challenges and drive the market towards even greater heights.

The booming manual data annotation tools market is projected to reach $1045.4 million by 2025, growing at a CAGR of 14.2% through 2033. Learn about key drivers, trends, regional insights, and leading companies shaping this crucial sector for AI development. Explore market segmentation by application (IT, BFSI, Healthcare, etc.) and annotation type (image/video, text, audio).

The Automated Data Annotation Tools market is booming, projected to reach $3.2 Billion by 2033. Discover key market trends, growth drivers, and leading companies shaping this vital sector for AI development. Explore our in-depth analysis covering market segmentation, regional insights, and future forecasts.

Discover the booming premium annotation tools market! Explore a comprehensive analysis revealing a $1115.9 million market size in 2025, projected to grow at a 7.8% CAGR. Learn about key drivers, trends, and regional insights impacting this crucial sector for AI and machine learning development.

Discover the booming Automated Data Annotation Tools market! This comprehensive analysis reveals key trends, drivers, restraints, and forecasts for 2025-2033, covering major regions & applications. Learn about leading companies and unlock opportunities in this rapidly evolving AI landscape.

The annotating software market is booming, projected to reach over $1 billion by 2033. Discover key trends, regional insights, and leading companies driving this growth in our comprehensive market analysis. Explore web-based vs. on-premise solutions and their applications in education, business, and machine learning.

Data Annotation for Computer Vision using Web Scraping and CVAT

Introduction

This project demonstrates the process of creating a labeled dataset for computer vision tasks using web scraping and the CVAT annotation tool. Web scraping was employed to gather images from the web, and CVAT was utilized to annotate these images with bounding boxes around objects of interest. This dataset can then be used to train object detection models.

Dataset Creation

1. Web Scraping: Images of 142 bird species were collected using web scraping techniques. Libraries such as requests and Beautiful Soup were likely used for this task.
2. CVAT Annotation: The collected images were uploaded to CVAT, where bounding boxes were manually drawn around each bird instance in the images. This created a labeled dataset ready for training computer vision models.

Usage

This dataset can be used to train object detection models for bird species identification. It can also be used to evaluate the performance of existing object detection models on a specific dataset.

Code

The code used for this project is available in the attached notebook. It demonstrates how to perform the following tasks:

• Download the dataset.
• Install necessary libraries.
• Upload the dataset to Kaggle.
• Create a dataset in Kaggle and upload the data.

Conclusion

This project provides a comprehensive guide to data annotation for computer vision tasks. By combining web scraping and CVAT, we were able to create a high-quality labeled dataset for training object detection models. Sources github.com/cvat-ai/cvat opencv.org/blog/data-annotation/

Sample manifest.jsonl metadata

{"version":"1.1"}
{"type":"images"}
{"name":"Spot-billed_Pelican_-_Pelecanus_philippensis_-_Media_Search_-_Macaulay_Library_and_eBirdMacaulay_Library_logoMacaulay_Library_lo/10001","extension":".jpg","width":480,"height":360,"meta":{"related_images":[]}}
{"name":"Spot-billed_Pelican_-_Pelecanus_philippensis_-_Media_Search_-_Macaulay_Library_and_eBirdMacaulay_Library_logoMacaulay_Library_lo/10002","extension":".jpg","width":480,"height":320,"meta":{"related_images":[]}}

DESCRIPTION
For this task, we use a subset of the MIRFLICKR (http://mirflickr.liacs.nl) collection. The entire collection contains 1 million images from the social photo sharing website Flickr and was formed by downloading up to a thousand photos per day that were deemed to be the most interesting according to Flickr. All photos in this collection were released by their users under a Creative Commons license, allowing them to be freely used for research purposes. Of the entire collection, 25 thousand images were manually annotated with a limited number of concepts and many of these annotations have been further refined and expanded over the lifetime of the ImageCLEF photo annotation task. This year we used crowd sourcing to annotate all of these 25 thousand images with the concepts.

On this page we provide you with more information about the textual features, visual features and concept features we supply with each image in the collection we use for this year's task.

TEXTUAL FEATURES
All images are accompanied by the following textual features:

- Flickr user tags
These are the tags that the users assigned to the photos their uploaded to Flickr. The 'raw' tags are the original tags, while the 'clean' tags are those collapsed to lowercase and condensed to removed spaces.

- EXIF metadata
If available, the EXIF metadata contains information about the camera that took the photo and the parameters used. The 'raw' exif is the original camera data, while the 'clean' exif reduces the verbosity.

- User information and Creative Commons license information
This contains information about the user that took the photo and the license associated with it.

VISUAL FEATURES
Over the previous years of the photo annotation task we noticed that often the same types of visual features are used by the participants, in particular features based on interest points and bag-of-words are popular. To assist you we have extracted several features for you that you may want to use, so you can focus on the concept detection instead. We additionally give you some pointers to easy to use toolkits that will help you extract other features or the same features but with different default settings.

- SIFT, C-SIFT, RGB-SIFT, OPPONENT-SIFT
We used the ISIS Color Descriptors (http://www.colordescriptors.com) toolkit to extract these descriptors. This package provides you with many different types of features based on interest points, mostly using SIFT. It furthermore assists you with building codebooks for bag-of-words. The toolkit is available for Windows, Linux and Mac OS X.

- SURF
We used the OpenSURF (http://www.chrisevansdev.com/computer-vision-opensurf.html) toolkit to extract this descriptor. The open source code is available in C++, C#, Java and many more languages.

- TOP-SURF
We used the TOP-SURF (http://press.liacs.nl/researchdownloads/topsurf) toolkit to extract this descriptor, which represents images with SURF-based bag-of-words. The website provides codebooks of several different sizes that were created using a combination of images from the MIR-FLICKR collection and from the internet. The toolkit also offers the ability to create custom codebooks from your own image collection. The code is open source, written in C++ and available for Windows, Linux and Mac OS X.

- GIST
We used the LabelMe (http://labelme.csail.mit.edu) toolkit to extract this descriptor. The MATLAB-based library offers a comprehensive set of tools for annotating images.

For the interest point-based features above we used a Fast Hessian-based technique to detect the interest points in each image. This detector is built into the OpenSURF library. In comparison with the Hessian-Laplace technique built into the ColorDescriptors toolkit it detects fewer points, resulting in a considerably reduced memory footprint. We therefore also provide you with the interest point locations in each image that the Fast Hessian-based technique detected, so when you would like to recalculate some features you can use them as a starting point for the extraction. The ColorDescriptors toolkit for instance accepts these locations as a separate parameter. Please go to http://www.imageclef.org/2012/photo-flickr/descriptors for more information on the file format of the visual features and how you can extract them yourself if you want to change the default settings.

CONCEPT FEATURES
We have solicited the help of workers on the Amazon Mechanical Turk platform to perform the concept annotation for us. To ensure a high standard of annotation we used the CrowdFlower platform that acts as a quality control layer by removing the judgments of workers that fail to annotate properly. We reused several concepts of last year's task and for most of these we annotated the remaining photos of the MIRFLICKR-25K collection that had not yet been used before in the previous task; for some concepts we reannotated all 25,000 images to boost their quality. For the new concepts we naturally had to annotate all of the images.

- Concepts
For each concept we indicate in which images it is present. The 'raw' concepts contain the judgments of all annotators for each image, where a '1' means an annotator indicated the concept was present whereas a '0' means the concept was not present, while the 'clean' concepts only contain the images for which the majority of annotators indicated the concept was present. Some images in the raw data for which we reused last year's annotations only have one judgment for a concept, whereas the other images have between three and five judgments; the single judgment does not mean only one annotator looked at it, as it is the result of a majority vote amongst last year's annotators.

- Annotations
For each image we indicate which concepts are present, so this is the reverse version of the data above. The 'raw' annotations contain the average agreement of the annotators on the presence of each concept, while the 'clean' annotations only include those for which there was a majority agreement amongst the annotators.

You will notice that the annotations are not perfect. Especially when the concepts are more subjective or abstract, the annotators tend to disagree more with each other. The raw versions of the concept annotations should help you get an understanding of the exact judgments given by the annotators.

Wound healing assay is a method of wound healing cell migration and interaction study. For this dataset, we focus on the segmentation of wound healing assay images. We developed a web-based annotation tool in collaboration with biologists and used a classical method-based segmentation algorithm together with manual adjustments to create a new dataset with 446 images. We then explored the performance of deep learning methods based on the U-net architecture trained on our dataset. Now we publish this dataset for anyone wishing to experiment with wound healing assay segmentation.

The dataset consists of 200 images with U2OS cells, 147 images with MiaPaca-2 cells, 47 images with MRC-5 cells, and 52 images with UFH-001 cells. The U2OS images come from three different experiments, while the other images come from one experiment for each of the given cell types.

The coral reef benthic community data described here result from the automated annotation (classification) of benthic images collected during photoquadrat surveys conducted by the NOAA Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD, formerly the Coral Reef Ecosystem Division) as part of NOAA's ongoing National Coral Reef Monitoring Program (NCRMP). SCUBA divers conducted benthic photoquadrat surveys in coral reef habitats according to protocols established by ESD and NCRMP during the ESD-led NCRMP mission to the islands and atolls of the Pacific Remote Island Areas (PRIA) and American Samoa from June 8 to August 11, 2018. Still photographs were collected with a high-resolution digital camera mounted on a pole to document the benthic community composition at predetermined points along transects at stratified random sites surveyed only once as part of Rapid Ecological Assessment (REA) surveys for corals and fish and permanent sites established by ESD and resurveyed every ~3 years for climate change monitoring. Overall, 30 photoquadrat images were collected at each survey site. The benthic habitat images were quantitatively analyzed using the web-based, machine-learning, image annotation tool, CoralNet (https://coralnet.ucsd.edu; Beijbom et al. 2015). Ten points were randomly overlaid on each image and the machine-learning algorithm "robot" identified the organism or type of substrate beneath, with 300 annotations (points) generated per site. Benthic elements falling under each point were identified to functional group (Tier 1: hard coral, soft coral, sessile invertebrate, macroalgae, crustose coralline algae, and turf algae) for coral, algae, invertebrates, and other taxa following Lozada-Misa et al. (2017). These benthic data can ultimately be used to produce estimates of community composition, relative abundance (percentage of benthic cover), and frequency of occurrence.

Open annotation is the ability to freely contribute to online, usually web-based, content, such as documents, images and video. Open annotation as a concept has been embraced predominantly by scholars in the Digital Humanities, a group that has a long history of online collaboration.

The Semantic PASCAL-Part dataset

The Semantic PASCAL-Part dataset is the RDF version of the famous PASCAL-Part dataset used for object detection in Computer Vision. Each image is annotated with bounding boxes containing a single object. Couples of bounding boxes are annotated with the part-whole relationship. For example, the bounding box of a car has the part-whole annotation with the bounding boxes of its wheels.

This original release joins Computer Vision with Semantic Web as the objects in the dataset are aligned with concepts from:

the provided supporting ontology;

the WordNet database through its synstes;

the Yago ontology.

The provided Python 3 code (see the GitHub repo) is able to browse the dataset and convert it in RDF knowledge graph format. This new format easily allows the fostering of research in both Semantic Web and Machine Learning fields.

Structure of the semantic PASCAL-Part Dataset

This is the folder structure of the dataset:

semanticPascalPart: it contains the refined images and annotations (e.g., small specific parts are merged into bigger parts) of the PASCAL-Part dataset in Pascal-voc style.

Annotations_set: the test set annotations in .xml format. For further information See the PASCAL VOC format here.

Annotations_trainval: the train and validation set annotations in .xml format. For further information See the PASCAL VOC format here.

JPEGImages_test: the test set images in .jpg format.

JPEGImages_trainval: the train and validation set images in .jpg format.

test.txt: the 2416 image filenames in the test set.

trainval.txt: the 7687 image filenames in the train and validation set.

The PASCAL-Part Ontology

The PASCAL-Part OWL ontology formalizes, through logical axioms, the part-of relationship between whole objects (22 classes) and their parts (39 classes). The ontology contains 85 logical axiomns in Description Logic in (for example) the following form:

Every potted_plant has exactly 1 plant AND has exactly 1 pot

We provide two versions of the ontology: with and without cardinality constraints in order to allow users to experiment with or without them. The WordNet alignment is encoded in the ontology as annotations. We further provide the WordNet_Yago_alignment.csv file with both WordNet and Yago alignments.

The ontology can be browsed with many Semantic Web tools such as:

Protégé: a graphical tool for ongology modelling;

OWLAPI: Java API for manipulating OWL ontologies;

rdflib: Python API for working with the RDF format.

RDF stores: databases for storing and semantically retrieve RDF triples. See here for some examples.

Citing semantic PASCAL-Part

If you use semantic PASCAL-Part in your research, please use the following BibTeX entry

@article{DBLP:journals/ia/DonadelloS16, author = {Ivan Donadello and Luciano Serafini}, title = {Integration of numeric and symbolic information for semantic image interpretation}, journal = {Intelligenza Artificiale}, volume = {10}, number = {1}, pages = {33--47}, year = {2016} }

Ground-based observations from fixed-mount cameras have the potential to fill an important role in environmental sensing, including direct measurement of water levels and qualitative observation of ecohydrological research sites. All of this is theoretically possible for anyone who can install a trail camera. Easy acquisition of ground-based imagery has resulted in millions of environmental images stored, some of which are public data, and many of which contain information that has yet to be used for scientific purposes. The goal of this project was to develop and document key image processing and machine learning workflows, primarily related to semi-automated image labeling, to increase the use and value of existing and emerging archives of imagery that is relevant to ecohydrological processes.

   This data package includes imagery, annotation files, water segmentation model and model performance plots, and model test results (overlay images and masks) for USGS Monitoring Site East Branch Brandywine Creek below Downingtown, PA. All imagery was acquired from the USGS Hydrologic Imagery Visualization and Information System (HIVIS; see https://apps.usgs.gov/hivis/camera/PA_East_Branch_Brandywine_Creek_below_Downingtown for this specific data set) and/or the National Imagery Management System (NIMS) API.

   Water segmentation models were created by tuning the open-source Segment Anything Model 2 (SAM2, https://github.com/facebookresearch/sam2) using images that were annotated by team members on this project. The models were trained on the "water" annotations, but annotation files may include additional labels, such as "snow", "sky", and "unknown". Image annotation was done in Computer Vision Annotation Tool (CVAT) and exported in COCO format (.json).

   All model training and testing was completed in GaugeCam Remote Image Manager Educational Artificial Intelligence (GRIME AI, https://gaugecam.org/) software (Version: Beta 16). Model performance plots were automatically generated during this process.

   This project was conducted in 2023-2025 by collaborators at the University of Nebraska-Lincoln, University of Nebraska at Kearney, and the U.S. Geological Survey.

   This material is based upon work supported by the U.S. Geological Survey under Grant/Cooperative Agreement No. G23AC00141-00. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the opinions or policies of the U.S. Geological Survey. Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey. We gratefully acknowledge graduate student support from Daugherty Water for Food Global Institute at the University of Nebraska.

Description: the dataset contains the natural images of caterpillars. Image annotation was done using a web tool “makesense.ai”. A single category “caterpillar” was labelled independently on the species. The images were cropped from original images (3000x4000px) to the 640x640px resolution images, which are optimal for the pretrained YOLO models. The images, which did not contain caterpillars, were removed. In the result, the dataset contains 1300 annotated images.

License: CC BY 4.0

Citation: Sergejs Kodors, Ilmars Apeinans, Imants Vancans, Toms Bartulsons, Imants Zarembo. EARLY DETECTION OF CATERPILLARS USING ARTIFICIAL INTELLIGENCE, In the Proceedings of 24th International Scientific Conference "Engineering for Rural Development", May 21-23, 2025, Jelgava, LATVIA, pp. 531-535. DOI: 10.22616/ERDev.2025.24.TF112

(KinMap_Examples.zip) contains the input CSV files used to generate the annotated kinome trees in Fig. 1 (Example_1_Erlotinib_NSCLC.csv), Fig. 2a (Example_2_Sunitinib_Sorafenib_Cancer.csv), and Fig. 2b (Example_3_Kinase_Stats.csv). (ZIP 5 kb)

imagery has become one of the main data sources for investigating seascape spatial patterns. this is particularly true in deep-sea environments, which are only accessible with underwater vehicles. on the one hand, using collaborative web-based tools and machine learning algorithms, biological and geological features can now be massively annotated on 2d images with the support of experts. on the other hand, geomorphometrics such as slope or rugosity derived from 3d models built with structure from motion (sfm) methodology can then be used to answer spatial distribution questions. however, precise georeferencing of 2d annotations on 3d models has proven challenging for deep-sea images, due to a large mismatch between navigation obtained from underwater vehicles and the reprojected navigation computed in the process of 3d building. in addition, although 3d models can be directly annotated, the process becomes challenging due to the low resolution of textures and the large size of the models. in this article, we propose a streamlined, open-access processing pipeline to reproject 2d image annotations onto 3d models using ray tracing. using four underwater image data sets, we assessed the accuracy of annotation reprojection on 3d models and achieved successful georeferencing to centimetric accuracy. the combination of photogrammetric 3d models and accurate 2d annotations would allow the construction of a 3d representation of the landscape and could provide new insights into understanding species microdistribution and biotic interactions.the dataset contains 4 compressed volumes corresponding to the 4 study sites used in this study. each volume contains a 3d mesh (.ply), a 3d textured mesh (.obj, .mtl, and textures), an optical navigation file (.json) and the set of images used for the evaluation of reprojection accuracy. the files were generated using matisse 3d v1.4 3d reconstruction software. the dataset also contains a biiigle annotation report (.csv) correponding to fauna annotation.

The benthic cover data in this collection result from the analysis of images produced during benthic photo-quadrat surveys conducted along transects at climate stations and permanent sites across the Mariana Archipelago. These sites were identified by the Ocean and Climate Change team and the ongoing National Coral Reef Monitoring Program. Benthic habitat imagery were quantitatively analyzed using Coral Point Count with Excel extensions (CPCe; Kohler and Gill, 2006) software from 2010-2014 and a web-based annotation tool called CoralNet (Beijbom et al. 2015) from 2015 to present. In general, images are analyzed to produce three functional group levels of benthic cover: Tier 1 (e.g., hard coral, soft coral, macroalgae, turf algae, etc.), Tier 2 (e.g., Hard Coral = massive, branching, foliose, encrusting, etc.; Macroalgae = upright macroalgae, encrusting macroalgae, bluegreen macroalgae, and Halimeda, etc.), and Tier 3 (e.g., Hard Coral = Astreopora sp, Favia sp, Pocillopora, etc.; Macroalgae = Caulerpa sp, Dictyosphaeria sp, Padina sp, etc.). The imagery analyzed in order to produce the benthic cover data is also included in this collection.