Results 71 to 80 of about 3,021,334 (134)

Compuestos orgánicos volátiles biogénicos: estado del arte sobre metodologías de muestreo y cuantificación de sus emisiones gaseosas

open access: yesTecnología en Marcha
Los compuestos orgánico volátiles biogénicos (COVB) son producidos por una gran diversidad de fuentes en los ecosistemas terrestres (flores, tallos, troncos, raíces, hojarasca, entre otros.
Jose Carlos Mora-Barrantes
doaj   +1 more source

Comprehensive Instrumental Odor Analysis Using SIFT-MS: A Case Study

open access: yes, 2018
Instrumental analysis of odor is challenging due to the chemical diversity of many important odorants, the high sensitivity required to achieve human odor thresholds, and the dynamic nature of the odor itself.
Helena Barnes   +4 more
core   +1 more source

An Improved MB-LBP Defect Recognition Approach for the Surface of Steel Plates

open access: yesApplied Sciences, 2019
The detection of surface defects is very important for the quality improvement of steel plates. In actual production, as the steel plate production line runs faster, the steel surface defect detection algorithm is required to meet the requirements of ...
Yang Liu, Ke Xu, Jinwu Xu
doaj   +1 more source

Efficient clustering and quantisation of SIFT features: Exploiting characteristics of the SIFT descriptor and interest region detectors under image inversion

open access: yes, 2011
The SIFT keypoint descriptor is a powerful approach to encoding local image description using edge orientation histograms. Through codebook construction via k-means clustering and quantisation of SIFT features we can achieve image retrieval treating ...
Lewis, Paul   +2 more
core   +1 more source

Modifications in the SIFT operator for effective SAR image matching [PDF]

open access: yes, 2010
With the increasing availability and rapidly improving spatial resolution of SAR images from latest and future satellites like TerraSAR-X and TanDEM-X, their applicability in remote sensing applications is set to be paramount.
Sahil Suri   +7 more
core   +1 more source

ssec/sift: Version 1.1.0

open access: yes, 2019
Issues Closed Issue 253 - AttributeError and core dump when removing file from selection dialogue Issue 252 - Incorrect geolocation for ABI L1B RadC (CONUS) data (PR 254) Issue 243 - RGB "gamma" values, worked with the inverse Issue 235 - Export image ...
k30n1   +6 more
core   +1 more source

Classifying algorithms for SIFT-MS technology and medical diagnosis [PDF]

open access: yes, 2008
Selected Ion Flow Tube-Mass spectrometry (SIFT-MS) is an analytical technique for realtime quantification of trace gases in air or breath samples. SIFT-MS system thus offers unique potential for early, rapid detection of disease states.
Ledingham, K.   +8 more
core   +1 more source

SIFT-SNN for Traffic-Flow Infrastructure Safety: A Real-Time Context-Aware Anomaly Detection Framework

open access: yesJournal of Imaging
Automated anomaly detection in transportation infrastructure is essential for enhancing safety and reducing the operational costs associated with manual inspection protocols.
Munish Rathee   +2 more
doaj   +1 more source

Sensing Technologies for Detection of Acetone in Human Breath for Diabetes Diagnosis and Monitoring

open access: yesDiagnostics, 2018
The review describes the technologies used in the field of breath analysis to diagnose and monitor diabetes mellitus. Currently the diagnosis and monitoring of blood glucose and ketone bodies that are used in clinical studies involve the use of blood ...
Valentine Saasa   +5 more
doaj   +1 more source

Dataset for the manuscript "Early detection of false codling moth infestation in citrus fruit by SIFT-MS"

open access: yes
Dataset for the manuscript "Early detection of false codling moth infestation in citrus fruit by SIFT-MS". The dataset contains the notional analyte concentrations of the product ions pertaining to the SIFT-MS measurements and larval ...
Hertog, Maarten   +3 more
core   +1 more source

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