You will get Pixel-perfect bounding boxes for object detection model.
Top Rated
Project details
Hi, this is Sojib Hossain, Data Annotation and Labeling Professional. I have 3+ Years of Organizational Working Experience in this field and have worked for an international company.
From Bounding Boxes, Polygon, and Bitmap Object Tracking to Semantic Segmentation and Keypoint annotation, I'm a skilled Data Analyst. I apply best practices developed from annotating millions of images and videos to deliver best-in-class data labeling for computer vision leaders worldwide. I can customize the data to your user-friendly formats.
List of Tools I am Used To:
Supervisely
Super Annotate
CVAT
LABELBOX
ROBOFLOW
Data:
Images
Videos
Audio
Text
Annotation type:
Image Classification
Key Point Labeling
Semantic/Instance Segmentation with Masks
Semantic/Instance Segmentation with Polygons
Object Detection with Bounding Boxes
Object Recognition with Polygons
Data output formats
XML
YOLO
JSON
COCO
CSV
SEGMENTATION MASKS
From Bounding Boxes, Polygon, and Bitmap Object Tracking to Semantic Segmentation and Keypoint annotation, I'm a skilled Data Analyst. I apply best practices developed from annotating millions of images and videos to deliver best-in-class data labeling for computer vision leaders worldwide. I can customize the data to your user-friendly formats.
List of Tools I am Used To:
Supervisely
Super Annotate
CVAT
LABELBOX
ROBOFLOW
Data:
Images
Videos
Audio
Text
Annotation type:
Image Classification
Key Point Labeling
Semantic/Instance Segmentation with Masks
Semantic/Instance Segmentation with Polygons
Object Detection with Bounding Boxes
Object Recognition with Polygons
Data output formats
XML
YOLO
JSON
COCO
CSV
SEGMENTATION MASKS
AI Development Type
Deep Learning, Model Tuning, Recommendation System, Software MaintenanceAI Tools
Azure Machine Learning, Google AutoML, MLflow, OpenCV, PyTorch, TensorFlowAI Development Language
PythonWhat's included
| Service Tiers |
Starter
$25
|
Standard
$120
|
Advanced
$235
|
|---|---|---|---|
| Delivery Time | 1 day | 3 days | 7 days |
Number of Revisions | 5 | 3 | 2 |
AI Model Integration | - | - | - |
Detailed Code Comments | - | - | - |
Knowledge Graph | - | - | - |
Model Documentation | - | - | - |
Ontology | - | - | - |
Source Code | - | - | - |
Taxonomy | - | - | - |
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FR
Farshid R.
Apr 16, 2026
Segmenting rail lines from drone footage
Great working with as always
FR
Farshid R.
Dec 10, 2025
Segmentation Masks for Santa Anita
Great to work him as always
SM
Shojib M.
Nov 20, 2025
🪵 Collect 1,000 Google Street View Images of Utility Poles (Damage Classification for AI Training)
Great job and attention to detail. Will work with again in the future
BW
Bob W.
Sep 15, 2025
Image Labeling/annotating for Computer Vision use
FR
Farshid R.
Sep 9, 2025
Annotation ( Obj Det + Seg + Keypoint)
Working with him for the 2nd time.
He has delivered great work, and the quality of work has also improved a lot since the last time
highly recommended
He has delivered great work, and the quality of work has also improved a lot since the last time
highly recommended
About Sojib
Image, Video annotation, Data labeling, Cvat, RoboFlow, AI Data Entry
100%
Job Success
Dhaka, Bangladesh - 7:59 pm local time
🧠🤖 Train Your AI Model with High-Quality, Production-Ready Data
📊 Professional Data Annotator | 5+ years hands-on experience in AI/ML multi-modal 🖼️ Image, 🎥 Video, 🎧 Audio & text labeling datasets.
⭐ Top-Rated Freelancer on Upwork
⏱️ 4+ years of hands-on experience in Data Annotation & Dataset Management
📊 Extensive experience in Image, Video, Audio, and Text Annotation.
🎯 Strong attention to detail with strict adherence to project guidelines and quality standards.
🤝 Committed to delivering high-quality, accurate, and complete datasets for ML & AI applications.
💡 I don’t just “label data” I prepare training data that makes models perform better.
⭐ I specialize in creating clean, accurate, and model-ready datasets that are actually used to train, validate, and improve AI systems.
🛡️ Data security and GDPR compliance are my top priorities-your data is always protected.
🔥 What I Can Do for You
I provide high-precision annotations that directly improve model accuracy. I strictly follow client-specific instructions, maintain consistency across large datasets, and efficiently handle high-volume annotation projects with reliable turnaround times.
🖼️ Image Annotation Services
I specialize in image annotation tasks including 2D and 3D bounding boxes, cuboids, object recognition, semantic segmentation, polygon annotation, image categorization, and map annotation. My work ensures clean, well-structured data suitable for training computer vision models.
🎥 Video Annotation Services
For video data, I deliver accurate object tracking, object detection, frame-by-frame annotation, semantic segmentation, polygon labeling, and both 2D & 3D bounding boxes/cuboids, optimized for AI and machine learning model training and validation.
✍️ Text Labeling
Categorization, tagging, and structured text annotation for NLP tasks.
💾 Data Entry & AI Data Collection
Accurate dataset management and collection for AI/ML model training and validation.
🔒 Every project is handled with precision, accuracy, and strict adherence to data security standards.
🛠️ Tools & Platforms
I am an expert user of SuperAnnotate, Alegion, Labelbox, LabelImg, and CVAT, and I adapt quickly to clients’ internal or customized annotation tools, workflows, and quality requirements.
📁 Supported Output Formats
I deliver annotations in industry-standard formats such as JSON, CSV, XML, and TXT, and I am fully comfortable working with clients’ customized software and export requirements.
💼 Why Choose Me
I am detail-oriented, reliable, and deadline-focused, with clear communication and a long-term collaboration mindset. My goal is not just to label data, but to help you build high-quality training datasets that make your AI models perform better.
👥 If you have a large dataset that needs fast turnaround, I am highly motivated and well-equipped to handle it. With 3 years of experience managing a team of expert annotators, I can deliver large-scale projects quickly without compromising on quality.
Steps for completing your project
After purchasing the project, send requirements so Sojib can start the project.
Delivery time starts when Sojib receives requirements from you.
Sojib works on your project following the steps below.
Revisions may occur after the delivery date.
instructions/guidelines.
You give me proper instructions and guidelines then I will start the project.
Consult and requirement.
We can make a call for free consultations and discuss requirements. I will let you know what I need from you to get started.