Computer Graphics Laboratory

Introduction:

The Computer Graphics Laboratory in Civil Engineering (CGC), located in Building 2 of the Faculty of Civil Engineering at the University of Tehran, is a research center dedicated to the study and development of computer graphics, virtual reality (VR), and augmented reality (AR) technologies in the fields of transportation and construction management.

By leveraging advanced technologies and graphical tools, the laboratory analyzes and optimizes the performance of transportation systems and construction management processes. Virtual reality systems provide powerful tools for studying human behavior. The ability to create 3D scenarios and measure responses to visual stimuli allows behavioral researchers to test hypotheses in ways and at scales that were previously impossible. By offering specialized services and utilizing cutting-edge technologies, this laboratory plays a significant role in the transportation and construction management industry.

Laboratory Facilities and Equipment:

The laboratory is equipped with both hardware and software assets, as detailed in the table below.


 

No Title Types Quantities
Specifications
Picture
1 کیس سخت افزار 1
CPU: Intel Core i7
RAM: 24 GB
GPU: 18GB

 
2 کیس سخت افزار 1

CPU: Intel Core i7

RAM: 16 GB

GPU: 16 GB
3 کیس سخت افزار 1

CPU: Intel Core i7

RAM: 32 GB

GPU: 16 GB
4 کیس سخت افزار 1

CPU: Intel Core i5

RAM: 4 GB

GPU: 2 GB
5 عینک واقعیت مجازی سخت افزار 1

مدل

HTC Vive Pro Eye Virtual Reality System

 مجهز به سنسور Eye track
6 عینک واقعیت مجازی سخت افزار 1
مدل OCULUS RIFT جدید
7 عینک واقعیت مجازی سخت افزار 1
مدل OCULUS RIFT

 
8 عینک واقعیت مجازی سخت افزار 1
مدل Samsung Gear VR
9 دستگاه سنجش نوار
مغزی EEG		 سخت افزار 1
کانال با 24 EEG دستگاه سمپلریت 2000 و گین 500
10 دوربین سامسونگ گیر
360		 سخت افزار 1
دوربین سامسونگ با قابلیت فیلم برداری به صورت 360 درجه
HD
11 شبیه‌ساز دوچرخ در فضای واقعیت مجازی سخت افزار 1
دوچرخه واقعیت مجازی با دو درجه آزادی با امکان پیاده‌سازی شرایط آب‌وهوایی مختلف
12 محیط واقعیت مجازی شهری عابر پیاده سخت افزار 1
شبکة تقاطع شهری با ابعاد 300×300 به همراه ترافیک خودرویی و عابر پیاده ایجاد شده در unity

Laboratory Services:

The CGC Laboratory, utilizing advanced computer graphics and virtual reality (VR) simulation technologies, analyzes and optimizes the performance of transportation systems and construction management processes. The engineering services provided by the CGC Laboratory include the development and creation of 3D models using computer graphics techniques, enabling system performance evaluation and optimal design. These services include:

  • Designing urban environments considering multiple influential factors, such as environmental, regulatory, and geometric aspects

  • Simulating various weather conditions, including rain, hot, and cold scenarios

  • Conducting experiments using simulators

  • Simultaneous EEG-VR data recording

  • Conducting research using augmented reality (AR)

Through these services, the laboratory supports advancements in transportation engineering and construction management using cutting-edge technologies and innovative methods.

Research Areas:

Since its inception, the Civil Engineering Computer Graphics Laboratory has conducted extensive behavioral research in various fields, including:

  • Understanding cyclists’ perceived risk based on geometric factors using a combination of VR technology and brain signal analysis

  • Examining women’s behavior in choosing shared transportation modes using VR

  • Studying pedestrian behavior during emergency evacuations using VR

  • Analyzing pedestrian behavior at urban intersections using VR

  • Behavioral analysis of shared bicycle usage using VR

  • Identifying attitudinal factors in travel behavior using mobile and micro-tools with VR

  • Investigating the psychological aspects of pedestrian and driver violations using VR

  • Behavioral analysis and derivation of compatibility indices for women’s shared transportation usage

  • Identifying factors affecting women’s attitudes toward shared transportation during the COVID-19 pandemic

  • Identifying factors influencing satisfaction levels of people with disabilities and the elderly in using paratransit services

Through these research efforts, the CGC Laboratory provides valuable insights into transportation and construction management, addressing key behavioral aspects and informing the development of more efficient and user-centered transportation systems.
 

For the complete and detailed laboratory page, please refer to the link below:

cgclab web page