Glide-snow avalanche characteristics at different timescales extracted from time-lapse photography

Spatio-temporal Snow Depth Estimates from Time-lapse Photography

Applications using data collected with time-lapse photography provide estimates of snow glide intensities or the spatio-temporal extent of the snow cover. This is established by projecting the image onto a digital elevation model or counting the amount of dark pixels. In this study we identified the point of the shadow created by a mountain peak in an image and calculated the elevation of that ...

Time Lapse High Dynamic Range (HDR) Photography

In this paper, we present an approach to a pipeline for time lapse photography using conventional digital images converted to HDR (High Dynamic Range) images (rather than conventional digital or film exposures). Using this method, it is possible to capture a greater level of detail and a different look than one would get from a conventional time lapse image sequence. With HDR images properly to...

Prediction at Different Timescales

Time-Lapse Light Field Photography With a 7 DoF Arm

A photograph taken by a conventional camera captures the average intensity of light at each pixel, discarding information about the angle from which that light approached. Light field cameras retain angular information about the rays they collect, allowing re-integration of rays during post processing. Consumer light field cameras have small apertures, and laboratory camera arrays with large ba...

Direct observation of female mating frequency using time-lapse photography.

One basic condition of postmating sexual selection is that females mate more than once before fertilizing their ova. Knowledge of the frequency and extent of multiple mating in a given population or species is therefore important in order to fully understand the potential for sexual selection, in the form of sperm competition, sexual conflict and cryptic female choice. Surprisingly, there are o...