Results 281 to 290 of about 1,169,905 (342)
Remote Sensing in Ecology and Conservation, EarlyView.This study presents a semi‐automated, rule‐based image analysis pipeline to detect ice seals in aerial surveys of the Western Antarctic Peninsula during an unusually low sea ice year. By using simple hierarchical clustering instead of deep learning, the method substantially reduced human annotation effort while achieving 82% recall, identifying 758 ...
Claire McGinnity +8 more
wiley +1 more source
High-Resolution Fourier Single-Pixel Non-Line-Of-Sight Imaging Employing Diffusion Model
Shengjie Fu +10 more
openalex +1 more source
Remote Sensing in Ecology and Conservation, EarlyView.We evaluated single‐ and multi‐sensor UAV approaches for classifying tree species and standing dead trees in boreal forests, focusing on key biodiversity indicators such as European aspen. Using spectral and structural features extracted from RGB, multispectral (MSP), and LiDAR point clouds for 1,205 field‐measured trees, we compared classification ...
Anton Kuzmin +5 more
wiley +1 more source
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Combinatorics, Probability and Computing, 2009
Random geometric graphs have been one of the fundamental models for reasoning about wireless networks: one places n points at random in a region of the plane (typically a square or circle), and then connects pairs of points by an edge if they are within a fixed distance of one another.
Frieze, Alan +3 more
openaire +2 more sources
Random geometric graphs have been one of the fundamental models for reasoning about wireless networks: one places n points at random in a region of the plane (typically a square or circle), and then connects pairs of points by an edge if they are within a fixed distance of one another.
Frieze, Alan +3 more
openaire +2 more sources
2011
In line-of-sight (LOS) radiocommunications, the main route is the direct path between the transmitter and receiver considering the curvature of radiowave trajectory. In Chap. 2, we discussed the general phenomena such as free-space loss (FSL) , gas and vapor loss, Fresnel radius, K-factor, and other mechanisms such as diffraction, reflection, and ...
Abdollah Ghasemi +2 more
openaire +2 more sources
In line-of-sight (LOS) radiocommunications, the main route is the direct path between the transmitter and receiver considering the curvature of radiowave trajectory. In Chap. 2, we discussed the general phenomena such as free-space loss (FSL) , gas and vapor loss, Fresnel radius, K-factor, and other mechanisms such as diffraction, reflection, and ...
Abdollah Ghasemi +2 more
openaire +2 more sources
Journal of Clinical Pediatric Dentistry, 2016
Objectives: It remains unclear how the realignments of the face and basicranium that characterize humans were acquired, both phylogenetically and ontogenetically. The developmentally constrained nature of the skull has been previously demonstrated in other primates using Donald H. Enlow's mammalian craniofacial architectural relationships.
Michala K, Stock +4 more
openaire +2 more sources
Objectives: It remains unclear how the realignments of the face and basicranium that characterize humans were acquired, both phylogenetically and ontogenetically. The developmentally constrained nature of the skull has been previously demonstrated in other primates using Donald H. Enlow's mammalian craniofacial architectural relationships.
Michala K, Stock +4 more
openaire +2 more sources
Ergonomics, 1986
Abstract Recent experiments with 16 male and 16 female subjects indicated that they like to look down rather steeply at an average of −29° below horizontal, s.d. 11·6°, when sitting with trunk and head upright. This angle is steeper when the visual target is at 0·50 m distance (−33°±11·3°) but flatter when the target is at 1·00 m (−24° ± 10·4°).
K H, Kroemer, S G, Hill
openaire +2 more sources
Abstract Recent experiments with 16 male and 16 female subjects indicated that they like to look down rather steeply at an average of −29° below horizontal, s.d. 11·6°, when sitting with trunk and head upright. This angle is steeper when the visual target is at 0·50 m distance (−33°±11·3°) but flatter when the target is at 1·00 m (−24° ± 10·4°).
K H, Kroemer, S G, Hill
openaire +2 more sources
2023
Perspective, color and rhythm are the basic elements I lend to create my abstract aesthetic form. I seek subject matter that is both of the aesthetic and of the world. Spontaneity is achieved through the collage technique I have adopted. This technique uses magazine color fields and textures out of context to create contemporary image fragments into ...
openaire +1 more source
Perspective, color and rhythm are the basic elements I lend to create my abstract aesthetic form. I seek subject matter that is both of the aesthetic and of the world. Spontaneity is achieved through the collage technique I have adopted. This technique uses magazine color fields and textures out of context to create contemporary image fragments into ...
openaire +1 more source
2009
The rock and coal, surrounding a coal mine tunnel, act as relatively low-loss dielectric media in the frequencies of range 200–4,000 MHz and dielectric constant of 5–10. Under these conditions a reasonable hypothesis is that the transmission takes the form of wave propagation, since the wavelength of ultra-high-frequency (UHF) waves are smaller than ...
L.K. Bandyopadhyay +2 more
openaire +1 more source
The rock and coal, surrounding a coal mine tunnel, act as relatively low-loss dielectric media in the frequencies of range 200–4,000 MHz and dielectric constant of 5–10. Under these conditions a reasonable hypothesis is that the transmission takes the form of wave propagation, since the wavelength of ultra-high-frequency (UHF) waves are smaller than ...
L.K. Bandyopadhyay +2 more
openaire +1 more source