Pixel Annotation Pvt Ltd. is an AI data annotation and data labeling company helping computer vision and machine learning teams build high-quality, production-ready datasets.
With 5M+ annotations completed across 35+ projects, our 40+ in-house annotators and dedicated QA reviewers support both pilot datasets and large-scale production workflows. All annotation work is handled by our office-based team, giving clients greater consistency, security, and control over quality.
Our services include image annotation, video annotation, text annotation, audio annotation, medical image annotation, LiDAR annotation, and human-in-the-loop data labeling. We handle complex annotation tasks such as 2D/3D bounding boxes, polygon annotation, semantic segmentation, instance segmentation, keypoints, object tracking, action/event labeling, OCR, defect annotation, and attribute-based classification.
Pixel Annotation has experience across sports analytics, healthcare, autonomous driving, smart cities, manufacturing, agriculture, retail, recycling, geospatial, and industrial AI. Our project portfolio includes large-scale road-scene datasets, sports video annotation, surgical tool segmentation, recycling and waste annotation, railway infrastructure, and retail computer vision.
Every project follows a structured workflow covering requirement analysis, project-specific annotator training, test batches, production QA, and client feedback integration. We work with tools such as CVAT, Label Studio, Labelbox, Roboflow, Supervisely, OHIF, custom platforms, and client-owned tools.
Pixel Annotation is ISO/IEC 27001:2022 certified, with secure data-handling processes, NDA-based engagements, and scalable in-house delivery.
Whether you need AI training data, computer vision annotation, video labeling, medical annotation, sports annotation, or large-scale dataset labeling, our focus is simple: consistent, accurate, model-ready data that helps AI systems perform reliably in the real world.
"They have a dedicated team for each annotation task."
Feb 4, 2025
Executive, Gemperts India
Anonymous
Verified
Other industries
India
11-50 Employees
Online Review
Verified
Pixel Annotation - Data Annotation Services provided data annotation services for an AI development company. The team annotated videos and images, extracted frames, and labeled objects using polygon annotation.
Pixel Annotation - Data Annotation Services' work helped the client achieve a 94% accuracy rate in detecting and segmenting target objects. Moreover, the team delivered tasks on time, responded to the client's needs, and was attentive to detail. Overall, the team delivered what they promised.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am an executive of Gemperts India
Describe what your company does in a single sentence.
We specialize in AI development services.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Pixel Annotation - Data Annotation Services to accomplish?
Acquire data from open source platforms
Data Annotation and Labeling for Videos and Images for niche project
SOLUTION
How did you find Pixel Annotation - Data Annotation Services?
Online Search
Why did you select Pixel Annotation - Data Annotation Services over others?
Pricing fit our budget
Great culture fit
Company values aligned
How many teammates from Pixel Annotation - Data Annotation Services were assigned to this project?
6-10 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
We have provided Pixel Annotation with multiple videos. Asked them to extract some important frames. Look for specific target object and actions. Then annotate those frames (images) for segmentation tasks. Basically we want to train segmentation model. Pixel Annotation has to label objects using polgyon annotation.
Deliverable: Images and their respective label files
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
We checked the deliverables from the team Pixel Annotation. Our internal team checked random labelled data (Images and labels) Model trained on their data worked as expected.
We were able to detect and segmentify target objects with accuracy close to 94%.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
From team Pixel Annotation we were assigned one technical guy. Initial meeting was done with CEO. Second meeting with technical person. He was SPOC for our project. He did incredible job of delivering labeled data on time.
At some point we had some clash but team solved it with utmost attention and details. CEO regularly took feedback from out team.
What was your primary form of communication with Pixel Annotation - Data Annotation Services?
Virtual Meeting
What did you find most impressive or unique about this company?
They have a dedicated team for each annotation task. They deliver what they promise.
Are there any areas for improvement or something Pixel Annotation - Data Annotation Services could have done differently?
In terms of work no.
In terms of marketing yes. They really need some marketing. They are much capable of doing work compared to what they are showing.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
4.5
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Data Annotation Services for Medical Company
Data Annotation Services
Less than $10,000
Mar. - Apr. 2025
5.0
Quality
4.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0
"Pixel Annotation - Data Annotation Services was quick and efficient."
Jul 24, 2025
CEO, Medical Company
Anonymous
Verified
Medical
Germany
1-10 Employees
Online Review
Verified
Pixel Annotation - Data Annotation Services provided data annotation services for a medical company. The team was responsible for annotating medical images for the client.
Pixel Annotation - Data Annotation Services' work led to a model trained based on the annotated images. The team provided timely items and responded well to the client's needs throughout the engagement. Pixel Annotation - Data Annotation Services ensured they provided provided quality work on time.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CEO of a medical company
Describe what your company does in a single sentence.
Improving workflow in surgery.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Pixel Annotation - Data Annotation Services to accomplish?
Annotations of medical images
SOLUTION
How did you find Pixel Annotation - Data Annotation Services?
Online Search
Why did you select Pixel Annotation - Data Annotation Services over others?
Great culture fit
Describe the scope of work in detail. Please include a summary of key deliverables.
They took efforts to understand work and did their best to get the job done in time.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Results of model trained based on the images.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
The response was good. Delivery was timely.
What was your primary form of communication with Pixel Annotation - Data Annotation Services?
Virtual Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
Pixel Annotation - Data Annotation Services was quick and efficient.
Are there any areas for improvement or something Pixel Annotation - Data Annotation Services could have done differently?
Annotation team can be better trained to reduce variability.
RATINGS
5.0
Quality
4.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
4.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 1-2 of
2 Reviews
Our Story
Pixel Annotation Pvt Ltd, began with a simple belief: better AI starts with better data. Built by people from AI, computer vision, and operations, we grew into a 40+ member in-house team with dedicated QA. Every project is handled with domain training, clear guidelines, and hands-on review. We work as an extension of our clients’ AI teams, turning complex raw data into cons
Locations (1)
802, The Orion, near Shree Balaji Temple, opposite Chharodi Lake, Gota, Ahmedabad, Gujarat 382481Ahmedabad, India382481
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