Mahalakshmi Gowsalya S.

Key Skills

Software

Other

Top Subject Matter

Remote sensing

GIS

Photogrammetry

Top Data Types

Image

Geospatial Tiled Imagery

Top Task Types

Polygon

Bounding Box

Segmentation

Classification

Point/Key Point

Polyline

Text Generation

Freelancer Overview

Experienced GIS and Geospatial Analyst with expertise in geospatial data annotation, feature extraction, spatial data validation, and quality assurance for mapping and AI-driven applications. Skilled in annotating and classifying geographic features from satellite imagery, aerial photographs, LiDAR datasets, and vector data, including roads, buildings, land use, utilities, water bodies, and transportation networks. Proficient in using GIS platforms such as ArcGIS Pro, ArcGIS Enterprise, QGIS, and remote sensing tools for data labeling, topology correction, spatial validation, and metadata management. Experienced in creating high-quality training datasets for machine learning and AI applications by ensuring annotation consistency, accuracy, and compliance with project specifications. Strong background in quality control workflows, geodatabase management, spatial analysis, and map production, with the ability to review, verify, and improve large-scale geospatial datasets. Adept at identifying data anomalies, correcting classification errors, and supporting the development of AI models through accurate geospatial ground-truth data generation and evaluation.

Education

Work History