Essays about: "perceived brightness"

Showing result 1 - 5 of 7 essays containing the words perceived brightness.

  1. 1. PERCEIVED BRIGHTNESS OF COLORED LIGHT : A study about the perceived brightness of near-monochromatic light in comparison to neutral white light

    University essay from Jönköping University/JTH, Byggnadsteknik och belysningsvetenskap

    Author : Razan Albunayah; Sofia C Lindén; [2023]
    Keywords : colored light; perceived brightness; spectral distribution; visual field; white light;

    Abstract : Recently, there has been a notable rise in the use of colored lighting for both indoor andoutdoor spaces. This trend necessitates a clear understanding of the principles behindselecting lighting levels that are both ergonomic and energy efficient. The objective ofthis study was to establish guidelines for planning colored light. READ MORE

  3. 2. Quality Assessment for Halftone Images

    University essay from Linköpings universitet/Medie- och Informationsteknik; Linköpings universitet/Tekniska fakulteten

    Author : Johnny Elmèr; [2023]
    Keywords : Image Quality; Halftoning; Subjective Image Quality Assessment; Subjective Testing; Objective Image Quality Metrics;

    Abstract : Halftones are reproductions of images created through the process of halftoning. The goal of halftones is to create a replica of an image which, at a distance, looks nearly identical to the original. Several different methods for producing these halftones are available, three of which are error diffusion, DBS and IMCDP. READ MORE

  4. 3. The right light at the right time for bipolar patients. An exploratory study of light environments for patients with bipolar disease in behavioral health clinics

    University essay from KTH/Ljusdesign

    Author : Mira Svanberg; [2021]
    Keywords : Light design. Light for bipolar disease. Circadian light; human centric light. Light design in behavioral health clinics;

    Abstract : Research has showed that different light scenarios have a profound effect on hospitalized bipolar patients. Different light situations decrease the hospital stay for patients during both manic and depressive episodes. READ MORE

  5. 4. Public tendencies and perception of brightness and light in Odenplan

    University essay from KTH/Ljusdesign

    Author : Anastasia Angeli; [2021]
    Keywords : Public tendencies; movement behaviour patterns; convivial spaces; urban lighting; transportation hub; perception; perceived brightness; adaptation; symbolism of night;

    Abstract : This research paper is discussing light, and brightness in particular, in terms of perception, taking Odenplan as a case study.Some links between light characteristics and behaviour patterns, such as lingering, have been made, raising the discussion about the qualities of the artificial lighting that would add to convivial urban spaces at nighttime, attempting at differentiating between how people think they would behave and how they actually behave in a public square, and the impact of artificial lighting on public tendencies, suggesting if people feel comfortable and safe in the space, then they tend to perceive the space brighter. READ MORE

  6. 5. Perception of spatial volume in daylight entering through devised openings

    University essay from KTH/Ljusdesign

    Author : Farahbee Rahman; [2020]
    Keywords : Visual Perception – Spatial Volume – Perceived Volume - Devised Openings – Exhibition Space- Daylight;

    Abstract : The thesis examines the impact of perceived brightness and contrast balance in relation to the spatial volume; physical volume transforming into a perceived volume in light. Two static viewpoints of 20th century’s museum architecture have been tested to observe qualitative features in daylight entering through architecturally devised openings. READ MORE