Most high dynamic range image (HDRI) algorithms assume stationary scene for registering multiple images which are taken under different exposure settings. In practice, however, there can be some global or local movements between images caused by either camera or object motions. This situation usually causes ghost artifacts which make the same object appear multiple times in the resultant HDRI. ...

The aim of the study was to determine the prevalence and intensity of parasitic gastrointestinal infections in free-range chickens from the West Pomerania province. Experimental material for the study was taken from 10 farms. Breeds raised in farms participating in the study included miniature chickens called Polish Lilliputians and Green- legged Partridge. A total of 104 samples of faeces were...

Matching of multiple views is often addressed in 3D-model generation and is normally a two-stage process consisting of a coarse and a fine matching stage. Coarse matching, that is the pre-alignment of the surfaces for the complex forms, which can be positioned far away from each other in 3D space, is a difficult problem to solve. Fine matching on the other hand can be performed accurately using...

Happiness is an elusive concept, it brings about ideas of ecstasy, contentment, delight but also health and strength, pouvoir and puissance ... a state of mind and body that is precarious and contingent. How to give form and substance to an idea that is otherwise difficult to conceive? What is happiness for a chicken? What is it like to be a chicken today? Free-range certification offers a powe...

Binding-induced biomolecular switches are used throughout nature and, increasingly, throughout biotechnology for the detection of chemical moieties and the subsequent transduction of this detection into useful outputs. Here we show that the thermodynamics of these switches are quantitatively described by a simple 3-state population-shift model, in which the equilibrium between a nonbinding, non...

A 12-b 20-MS/s pipelined ADC is calibrated using an algorithmic ADC, which is itself calibrated. With background calibration, the peak SNDR and SFDR of the pipeline are 70.8 dB and 93.3 dB, respectively. The total power dissipation is 254 mW from 3.3 V. The active area is 7.5 mm in 0.35 m CMOS.

In this paper, the design requirements of different mixers for direct conversion receivers are discussed. Special attention has been paid into the detection of amplitude-modulated RF signal envelope. Three active mixers have been implemented to investigate the discussed requirements by using a 0.35-μm, 25-GHz BiCMOS technology. The same process allows an objective comparison between the differe...