The Evaluation of Visual Clarity and Comfort of Light Environment in Multimedia Classroom

In order to clarify the quantitative relationship between students’ visual clarity, comfort, and environmental brightness in light environment of multimedia classrooms colleges universities obtain threshold influence trends brightness, comfort classroom, this paper proposes research on relevant parameters classroom. Based analysis current situation use China, taking as main parameter indoor evaluation carry out subjective experiments. The range that can reflect clarity experimenter is extracted by using combined with screen projection HDRI technology. Finally, analyzing experimental data, operational definition psychophysical threshold, functional a classroom obtained through regression extreme point data are calculated. results show when 370.83 cd/m2 ≤ X 558.47 cd/m2, it has better comfort. When contrast close 10 : 1, highest; 5 highest decreases both sides change its value. Conclusion. study provide basis for formulating revising laws regulations future reference design China.