MEASUREMENT OF LUMINANCE AND LUMINANCE DISTRIBUTION BY ORTHOGRAPHIC PROJECTION CAMERA (PART 2)

Development and Validation of a Luminance Camera Final Report

Classification of Cerebral Lymphomas and Glioblastomas Featuring Luminance Distribution Analysis

Differentiating lymphomas and glioblastomas is important for proper treatment planning. A number of works have been proposed but there are still some problems. For example, many works depend on thresholding a single feature value, which is susceptible to noise. In other cases, experienced observers are required to extract the feature values or to provide some interactions with the system. Even ...

An original device for the automatic measurement of the luminance distribution in an observer’s visual field

This work describes a new device that enables the photometric evaluation of an observer’s visual field by measuring the luminance distribution. To provide an example of the applications, we have obtained the equivalent veiling luminance for different directions of the observer’s line of vision. The results enable us to compare different luminous environments from direct measurements, without ha...

Luminance distribution modifies the perceived freshness of strawberries

Material perception studies focus on the analysis of visual cues that may underlie the ability to distinguish between the different properties of an object. Herein, we investigated the effects of luminance distribution on the perceived freshness of a strawberry independent from its colour information. We took photographs of the degradation of a strawberry over 169 hours in a controlled environm...

Neurons in primary visual cortex represent distribution of luminance

To efficiently detect a wide range of light-intensity changes, visual neurons must adapt to ambient luminance. However, how neurons in the primary visual cortex (V1) code the distribution of luminance remains unknown. We designed stimuli that represent rapid changes in luminance under different luminance distributions and investigated V1 neuron responses to these novel stimuli. We demonstrate t...