نتایج جستجو برای: snorkel depth

تعداد نتایج: 160981  

Journal: :Canadian Journal of Fisheries and Aquatic Sciences 2022

Salmonids make flexible and adaptive trade-offs between foraging efficiency predation risk that result in variable patterns of diel activity habitat use. However, the following remains unclear: (1) how differ among salmonid species; (2) this affects interpretation suitability models inform instream flow management. We combined snorkel observations with experimental additions cover to investigat...

2008
O. Vencálek

A data depth is one of the most important concepts of nonparametric multivariate analysis. Several depth functions have been introduced since 1980. The halfspace depth is probably the most popular. This depth function has many desirable properties (they are stated in the general definition of statictical depth function). We show a way of generalization of the halfspace depth finding a broader c...

2016
Weifeng Chen Zhao Fu Dawei Yang Jia Deng

This paper studies single-image depth perception in the wild, i.e., recovering depth from a single image taken in unconstrained settings. We introduce a new dataset “Depth in the Wild” consisting of images in the wild annotated with relative depth between pairs of random points. We also propose a new algorithm that learns to estimate metric depth using annotations of relative depth. Compared to...

2005
Jonathan R. Seal Donald G. Bailey Gourab Sen Gupta

A catadioptric stereo system has been developed for depth perception. The system uses two sets of planar mirrors to create two virtual cameras. A design procedure is presented with the aim of building a compact assembly. This has resulted in an inexpensive and compact system that achieves a depth resolution of 5.8 cm at a working distance of 2 m.

Journal: :Plant Production Science 2022

In the present study, 15 accessions of wild rice species belonging to genome groups different from that Oryza sativa were tested for their adaptive response flooding at seedling and mature stages. Under complete submergence stage, reduced underwater shoot elongation high survival rate after recovery period observed in O. minuta as well tetraploid punctata, eichingeri, officinalis, alta, grandig...

2005
Adélaïde Blavier Anne Sophie Nyssen

The objective of this paper is to study the impact of depth perception and movement freedom on learning surgical tasks by novice subjects using new laparoscopic technology.

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