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Ian Pritzy

Ian Pritzy

3D Point Cloud Annotator

KENYA flag
Nairobi, Kenya
$20.00/hrIntermediateDataloopLabelboxSuperannotate

Key Skills

Software

DataloopDataloop
LabelboxLabelbox
SuperAnnotateSuperAnnotate
Other

Top Subject Matter

Machine Learning
AI Model Development
Image Recognition

Top Data Types

ImageImage
3D Sensor

Top Task Types

Bounding Box
Cuboid
Polygon
Segmentation
Classification
Point Key Point
Polyline
Transcription
Prompt Response Writing SFT

Freelancer Overview

Data Annotation Associate. Core strengths include Internal and Proprietary Tooling. Education includes Diploma in Quantity Surveying, Technical University of Kenya (2024). AI-training focus includes data types such as Image and 3D Sensor and labeling workflows including Bounding Box and Cuboid.

IntermediateSwahiliEnglish

Labeling Experience

3D Point Cloud Instance Segmetation

3D SensorClassification
This project focused on annotating 3D sensor data, specifically LiDAR-based point clouds, to support machine learning models for autonomous vehicles. The objective was to enable accurate perception of the driving environment for safe navigation and decision-making. The task involved point-level classification and instance segmentation within complex 3D road scenes.I labeled key classes including objects, soft vegetables, hard vegetables, drivable surfaces, and phantoms. I ensured each instance was accurately identified and separated with precise spatial boundaries. I handled challenging scenarios such as occlusions, sparse point distributions, and overlapping objects. I contributed to annotating thousands of point cloud frames, each containing millions of data point and I worked with data collected from diverse driving environments to enhance model robustness. I strictly followed detailed annotation guidelines to maintain consistency.A multi-stage quality assurance process was implemented throughout the project. This included peer reviews, consensus validation, and continuous feedback loops. High inter-annotator agreement and strict quality standards ensured reliable and high-precision labeled data for autonomous vehicle systems.

This project focused on annotating 3D sensor data, specifically LiDAR-based point clouds, to support machine learning models for autonomous vehicles. The objective was to enable accurate perception of the driving environment for safe navigation and decision-making. The task involved point-level classification and instance segmentation within complex 3D road scenes.I labeled key classes including objects, soft vegetables, hard vegetables, drivable surfaces, and phantoms. I ensured each instance was accurately identified and separated with precise spatial boundaries. I handled challenging scenarios such as occlusions, sparse point distributions, and overlapping objects. I contributed to annotating thousands of point cloud frames, each containing millions of data point and I worked with data collected from diverse driving environments to enhance model robustness. I strictly followed detailed annotation guidelines to maintain consistency.A multi-stage quality assurance process was implemented throughout the project. This included peer reviews, consensus validation, and continuous feedback loops. High inter-annotator agreement and strict quality standards ensured reliable and high-precision labeled data for autonomous vehicle systems.

2024 - 2025

3D LiDAR Annotation Associate

3D SensorCuboid
I executed 3D LiDAR data annotation for autonomous systems and spatial data projects. My role involved tagging and segmenting point cloud data to assist in training AI models for object detection and scene understanding. Attention to detail and adherence to annotation protocols were paramount for project success. • Performed 3D LiDAR annotation for spatial data and self-driving vehicle projects. • Tagged point cloud data to identify and classify objects in 3D environments. • Ensured high-quality data output by following strict annotation guidelines. • Assisted in quality assurance processes and peer reviews for annotation workflows.

I executed 3D LiDAR data annotation for autonomous systems and spatial data projects. My role involved tagging and segmenting point cloud data to assist in training AI models for object detection and scene understanding. Attention to detail and adherence to annotation protocols were paramount for project success. • Performed 3D LiDAR annotation for spatial data and self-driving vehicle projects. • Tagged point cloud data to identify and classify objects in 3D environments. • Ensured high-quality data output by following strict annotation guidelines. • Assisted in quality assurance processes and peer reviews for annotation workflows.

2024 - 2025

Data Annotation Associate

ImageBounding Box
I performed high-accuracy data annotation for machine learning and AI training datasets at Digital Divide Data. My responsibilities included image segmentation, bounding box, and polygon annotation to label objects accurately within images. I also executed quality assurance tasks to ensure consistency and reliability of the annotated data sets. • Conducted detailed image segmentation tasks for precise object identification. • Applied bounding box and polygon annotation methods to support AI model training. • Maintained strict quality assurance standards to ensure data accuracy. • Collaborated with a team to meet deadlines and project targets.

I performed high-accuracy data annotation for machine learning and AI training datasets at Digital Divide Data. My responsibilities included image segmentation, bounding box, and polygon annotation to label objects accurately within images. I also executed quality assurance tasks to ensure consistency and reliability of the annotated data sets. • Conducted detailed image segmentation tasks for precise object identification. • Applied bounding box and polygon annotation methods to support AI model training. • Maintained strict quality assurance standards to ensure data accuracy. • Collaborated with a team to meet deadlines and project targets.

2024 - 2025

Education

T

Technical University of Kenya

Diploma in Quantity Surveying, Quantity Surveying

Diploma in Quantity Surveying
2024 - 2024

Work History

S

Seremala

Assistant Quantity Surveyor

Nairobi
2020 - 2021