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kathiresan s

@kathiresans

Data Annotation Specialist at NEXTGENAI who evaluated image quality and verified target objects for computer vision training.

India

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What I'm looking for

I’m looking to bring my ground-truth quality standards to new computer vision initiatives.

At NEXTGENAI, I reviewed image datasets on Define.ai, checking for target objects and assessing image quality to support downstream model training. I documented the reasoning behind each rating while following SOP and data security protocols.

At iMerit Technology, I delivered ground truth data for the PACE autonomous vehicle perception project across image, video, and LiDAR modalities. Earlier, at Objectways Technologies, I annotated 3D LiDAR point clouds and 2D bounding boxes for autonomous driving model training.

Experience

Work history, roles, and key accomplishments

Data Annotator & Evaluator

NextGenAI

May 2026 - Sep 2026 (4 months)

Reviewed large-scale image datasets on Define.ai to determine object presence and assess image quality on a 1-5 scale. Provided written justifications for ratings and upheld SOP compliance and data security protocols.

AI Image Quality Checks Object Presence Verification Data Annotation SOP Compliance Data Security

Senior Data Annotation Specialist

iMerit Technology

Feb 2025 - May 2026 (1 year 3 months)

Delivered ground truth data for the PACE autonomous vehicle perception project, combining image, video, and LiDAR modalities. Maintained a 98% QA acceptance rate and performed advanced 2D/3D annotation and cross-verification.

LiDAR Point Cloud Annotation 2D Bounding Boxes Semantic Segmentation CVAT Kognic AWS Ground Truth Data Validation QA Review Autonomous Driving ADASエンジニア

Data Associate

Objectways Technologies

Jul 2023 - Aug 2024 (1 year 1 month)

Labeled 3D LiDAR point clouds and 2D bounding boxes for autonomous driving ML training using CVAT and AWS SageMaker Ground Truth. Achieved a 95% QA acceptance rate and performed cross-checks to reduce rework.

LiDAR Point Cloud Annotation 2D Bounding Boxes CVAT AWS Ground Truth Data Verification Autonomous Driving Object Detection

Freelance Video Editor

Self-Employed

Nov 2021 - May 2023 (1 year 6 months)

Edited wedding photography and videography for recurring clients, delivering highlight videos and edited photo sets. Produced an average of 3 wedding videos per month and managed end-to-end client communication.

Premiere Pro Photoshop Video Editing Color Correction Audio Syncing Client Communication