Results 11 to 20 of about 180,800 (239)

Digitisation of historical specimens from the Hog Island Audubon Camp Natural History Collection, Maine [PDF]

open access: yesBiodiversity Data Journal
Natural history collections serve as invaluable records of biological complexity across time and space. However, only a small fraction of these collections has been digitised globally, leaving the majority of specimen data inaccessible for research and ...
Stephen Mason, Jr.   +10 more
doaj   +3 more sources

The MCP-1 (CCL2) -2518 GG genotype is associated with protection against pulmonary tuberculosis in Moroccan patients

open access: yesJournal of Infection in Developing Countries, 2011
Introduction: Both monocyte chemoattractant protein-1 (MCP-1), also designated officially as chemokine (C-C motif) ligand 2 (CCL2), and interleukin-12 p40 (IL-12 p40) molecules, encoded by polymorphic genes, are central components of the immune response ...
Naima Arji   +11 more
doaj   +1 more source

Using Texture Feature in Fruit Classification [PDF]

open access: yesEngineering and Technology Journal, 2021
Recent advances in computer vision have allowed wide-ranging applications in every area of life. One such area of application is the classification of fresh products, but the classification of fruits and vegetables has proven to be a complex problem and ...
Mauj H. Abd al karim, Abdulamir A. Karim
doaj   +1 more source

Optimal hog cell to image ratio for robust multi-sensor face recognition systems [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2019
The main problem for modern visible light face recognition has been accurate identification under variable environmental conditions. Thermal infrared facial images utilization in face recognition systems can provide a solution for problems ...
Pavlović Miloš   +4 more
doaj   +1 more source

Hipparcos absolute magnitudes for metal rich K giants and the calibration of DDO photometry [PDF]

open access: yes, 1997
Parallaxes for 581 bright K giants have been determined using the Hipparcos satellite. We combine the trigonometric parallaxes with ground based photometric data to determine the K giant absolute magnitudes.
Flynn, Chris, Hog, Erik
core   +3 more sources

Nogle bemærkninger om EF-kriminalitet

open access: yesNordisk Tidsskrift for Kriminalvidenskab, 1986
See abstract in article.
Ulla Høg
doaj   +1 more source

Do Futures Prices Help Forecast Spot Prices? Evidence from China’s New Live Hog Futures

open access: yesAgriculture, 2023
China, the largest hog producer and consumer globally, has long experienced significant fluctuations in hog prices, partly due to the lack of rational expectations for future hog spot prices.
Tao Xiong, Miao Li, Jia Cao
doaj   +1 more source

Calibrated griz magnitudes of Tycho stars: All-sky photometric calibration using bright stars [PDF]

open access: yes, 2008
Photometric calibration to 5% accuracy is frequently needed at arbitrary celestial locations; however, existing all-sky astronomical catalogs do not reach this accuracy and time consuming photometric calibration procedures are required.
Eran O. Ofek, Hog E.
core   +2 more sources

Optimizing Sector Ring Histogram of Oriented Gradients for human injured detection from drone images

open access: yesGeomatics, Natural Hazards & Risk, 2021
Developing a system for emergency response and rescue to find injured people within images has been an interest to many researchers. The key challenge is to define a proper feature to describe the human body's appearance.
Marzieh Ghasemi   +3 more
doaj   +1 more source

Fusion of deep and shallow features for face recognition

open access: yesDianzi Jishu Yingyong, 2020
The traditional method for feature extraction contains limited discriminant features, and the deep learning method need lots of labeled data and it′s time-consuming.
Zhao Shuhuan
doaj   +1 more source

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