Machine learning tracks methane emissions from orbit

Methane is the second most important anthropogenic greenhouse gas after carbon dioxide, with a global warming potential roughly 28–34 times greater over a 100-year timescale. Major sources include ...
EurekAlert!

State of health estimation for bipolar lead-acid batteries based on gray wolf optimized hybrid regression technique

Researchers have developed an integrated gray wolf optimization algorithm-based hybrid estimation framework that combines ...
Communications of the ACM

Where Are the City Trees? Monitoring Urban Trees across the U.S. Using Generative AI

The use of generative AI enables a novel computational approach to localize individual trees in all cities, despite their ...
PNAS

Cryo-EM heterogeneity analysis using regularized covariance estimation and kernel regression

Reconstructing the diverse conformations of biomolecules from cryoelectron microscopy datasets remains a longstanding challenge. Here, we present a method that surpasses current approaches across ...
Frontiers

Estimation of habitual intake of infrequently consumed nutrients using the mixture distribution method

Accurate dietary assessment plays a crucial role in public health by providing the evidence base needed to design, implement, and evaluate nutrition-related policies and interventions. Reliable ...
IEEE

A Number Estimation Method for Dense Group Target Using Multiangle Incoherent Observations

Abstract: Accurate estimation of targets’ number is a crucial prerequisite for observing group target. Traditional methods estimate target number by resolving targets in the range/angle domain, but ...
Frontiers

Fisheye omnidirectional stereo depth estimation assisted with edge-awareness

The wide field of view of fisheye cameras introduces significant image distortion, making accurate depth estimation more challenging compared to pinhole camera models. This paper proposes a fisheye ...
IEEE

Initial Speed Estimation Method for Induction Motors Using Regression Analysis and Self-Excited Vibration Phenomenon

Abstract: Induction motor drive systems without rotation speed sensors are already in practical use in many products. In recent years, the efficiency of induction motors has increased, and the ...
C&EN

Implementation of the QbD Approach to the Analytical Method Development and Validation for the Estimation of the Treprostinil Injection Dosage Form by RP-HPLC

Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article. Despite its high cost, the role of treprostinil in managing ...
C&EN

Colorimetric-Electrochemical Combined Method for the Identification of Drugs of Abuse in Blotter Papers: A Powerful Screening Technique Using Three Analytical Responses

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Lysergic acid diethylamide (LSD) and phenylethylamine derivatives (NBOHs and NBOMes) ...
Scientific Research Publishing

Srivasatava, A.K. and Shalabh (2001) Effect of Measurement Error on the Regression Method of Estimation in Survey Sampling. Journal of Statistical Research, 35, 35-44.

ABSTRACT: In this paper, a regression method of estimation has been used to derive the mean estimate of the survey variable using simple random sampling without replacement in the presence of ...