The purpose of this study was to construct a brief version of the 40-item Affect Intensity Measure. Since the assumed one-dimensionality of the scale has been criticized lately, special attention was paid to the factor structure of the full and the brief scales. The scales were tested in three different samples: 510 Belgian citizens representative of the Belgian population, and 204 and 166 stud...

The lack of a standard image intensity scale in MRI causes many difficulties in image display and analysis. A two-step postprocessing method is proposed for standardizing the intensity scale in such a way that for the same MR protocol and body region, similar intensities will have similar tissue meaning. In the first step, the parameters of the standardizing transformation are "learned" from a ...

The Système International des Unités (SI) base unit for photometry, the candela, has been realized by using absolute detectors rather than absolute sources. This change in method permits luminous intensity calibrations of standard lamps to be carried out with a relative expanded uncertainty (coverage factor k = 2, and thus a 2 standard deviation estimate) of 0.46 %, almost a factor-of-two impro...

This paper presents a method for detecting, describing, and matching keypoints in combined range-intensity data. We extend a 2D image-based detection and description framework to 3D using an image back-projected onto a range scan. A key feature of the framework is a physical scale space for detecting keypoints, which eliminates errors in scale during both detection and matching. We develop smoo...