In this paper, we present approaches for detecting camera cuts, wipes and dissolves based on the analysis of spatio-temporal slices obtained from videos. These slices are composed of spatially and temporally coherent regions which can be perceived as shots. In the proposed methods, camera breaks are located by performing color-texture segmentation and statistical analysis on these video slices....

Various methods of automatic shot boundary detection have been proposed and claimed to perform reliably. Although the detection of edits is fundamental to any kind of video analysis since it segments a video into its basic components, the shots, only few comparative investigations on early shot boundary detection algorithms have been published. These investigations mainly concentrate on measuri...

A dissolve is a gradual transition from one shot to another in a video, resulting from gradually scaling the intensity values of the two shots. Up to now, there have been very few algorithms for detecting dissolves. By analysing characteristics exhibited by a typical dissolve, we propose two methods of detecting dissolves directly in MPEG compressed video. The first method is based on the chara...

BACKGROUND In patients with co-morbid obsessive-compulsive disorder (OCD) and posttraumatic stress disorder (PTSD), repetitive behavior patterns, rituals, and compulsions may ward off anxiety and often function as a coping strategy to control reminders of traumatic events. Therefore, addressing the traumatic event may be crucial for successful treatment of these symptoms. OBJECTIVE In this ca...

A method is proposed for the determination of barium and strontium peroxides (active oxygen) in igniters in small-arms tracer ammunition. The sample is treated with dilute hydrochloric acid (1 + 9) which dissolves the magnesium powder almost instantaneously and then dissolves the barium or strontium peroxides within 10-30 min. The solution is then filtered to remove the organic substances (calc...

A detailed mechanistic study reveals that instead of being postulated as oxidase-like, nanoceria is a plain nanoparticulate oxidant and dissolves completely after being reduced.

The empirical “like-dissolves-like” rule for liquid miscibility can be quantified.

One of the fundamental tradeoffs underlying society is that between efficiency and equality. The challenge for institutional design is to strike the right balance between these two goals. Game-theoretic models of public-goods provision under ‘meritocratic’ matching succinctly capture this tradeoff: under zero meritocracy (society is randomly formed), theory predicts maximal inefficiency but per...