School of Surveying and Geospatial Engineering

Laboratory Introduction

The Short-Range Photogrammetry Laboratory was established in 2006 by Dr. Mohammad Saadat Sarshar, who currently manages the laboratory. The aim of the laboratory is to provide specialized educational and research services in the field of short-range photogrammetry. Over the past decade, the laboratory has not only developed various systems in short-range photogrammetry but has also been equipped with diverse tools and equipment. Currently, the laboratory occupies a public space of 20 square meters, along with a calibration and workshop room of the same size, located on the basement level of the faculty building, with plans for further development underway.

In the field of short-range photogrammetry, which is a branch of photogrammetry in surveying engineering, there is a close relationship with computer vision. The goal is to achieve precise three-dimensional geometric reconstruction of objects, typically by placing sensors within or outside the object at distances of less than 300 meters to capture images or scans of the object's surface according to a specified network design.

Some of the research and operational areas of this laboratory include:

• Development of mobile mapping systems
• Structured light
• Three-dimensional profile reconstruction
• Photometric stereo
• Industrial photogrammetry
• Mapping of random patterns
• Medical photogrammetry
• Architectural photogrammetry
• Ground laser scanning
• Videogrammetry

In the Short-Range Photogrammetry Laboratory, the development and application of various technologies are emphasized, including: three-dimensional optical scanners based on structured light, profile reconstruction, photometric stereo, light fields, and random patterns. Applications of short-range photogrammetry include industrial, architectural, and medical fields, panoramic photogrammetry, terrestrial mobile mapping, videogrammetry, ground laser scanning, network design, and neuromorphic photogrammetry.

Examples of Laboratory Activities

The following systems have been developed by students in the laboratory and are currently available:

• 3D body modeling system
• Combined 3D scanner for mapping cultural heritage facades
• High-precision 3D scanner based on phase-based photogrammetry

For more information about the research activities conducted and ongoing in the laboratory, please visit the website https://crplab.ut.ac.ir.

You can download the laboratory catalog from here.