Results 41 to 50 of about 2,218,426 (289)

Frequency Spectrum Adaptor for Remote Sensing Image–Text Retrieval

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Remote sensing image–text retrieval (RSITR) is a critical task that involves parsing the content of remote sensing (RS) images to match semantically relevant text.
Ziyi Wan, Enyuan Zhao, Jie Nie, Ze Zhang, Zhiqiang Wei, Nan Zheng, Yuting Zhao   +6 more
doaj   +1 more source

Accelerometer-based algorithm for the segmentation and classification of repetitive human movements during workouts

Automatika, 2023
Monitoring a person’s physical activity has a wide range of applications in both sports and medicine. With the advancement of technology for measuring human movement, it is possible to monitor the performed activity without a need for an expert to ...
D. Džaja, M. Čibarić, G. Šeketa, R. Magjarević   +3 more
doaj   +1 more source

Engineering the Frequency Spectrum of Bright Squeezed Vacuum via Group Velocity Dispersion in an SU(1,1) Interferometer

, 2016
Bright squeezed vacuum, a promising tool for quantum information, can be generated by high-gain parametric down-conversion. However, its frequency and angular spectra are typically quite broad, which is undesirable for applications requiring single-mode ...
Boyd, Robert W., Chekhova, Maria V., Lemieux, Samuel, Leuchs, Gerd, Manceau, Mathieu, Sharapova, Polina R., Tikhonova, Olga V.   +6 more
core   +1 more source

Non-equilibrium theory of the allele frequency spectrum [PDF]

, 2006
A forward diffusion equation describing the evolution of the allele frequency spectrum is presented. The influx of mutations is accounted for by imposing a suitable boundary condition.
Evans, Steven N., Shvets, Yelena, Slatkin, Montgomery   +2 more
core   +2 more sources

Electromagnetic Fields Induced by Three-Dimensional Short Ocean Waves in a Horizontally Layered Seabed

IEEE Access
An accurate model is needed to simulate the electromagnetic fields induced by short-period ocean waves to study the influence of the induced fields on the data set of marine magnetotelluric (mMT), marine controlled source electromagnetic (mCSEM), and ...
Ronghua Tao, Baoqiang Zhang, Chun Zhou, He Qiao   +3 more
doaj   +1 more source

Theil Entropy as a Non-Lineal Analysis for Spectral Inequality of Physiological Oscillations

Entropy, 2022
Theil entropy is a statistical measure used in economics to quantify income inequalities. However, it can be applied to any data distribution including biological signals.
Ramón Carrazana-Escalona, Miguel Enrique Sánchez-Hechavarría, Ariel Ávila   +2 more
doaj   +1 more source

The very steep spectrum radio halo in Abell 697 [PDF]

, 2010
In this paper we present a detailed study of the giant radio halo in the galaxy cluster Abell 697, with the aim to constrain its origin and connection with the cluster dynamics.
Abell, Aharonian, Aharonian, Bacchi, Bauer, Blasi, Blasi, Bonafede, Bonamente, Brunetti, Brunetti, Brunetti, Brunetti, Brunetti, Brunetti, Brunetti, Brunetti, Buote, Cassano, Cassano, Churazov, Condon, D. Dallacasa, Dahle, Dallacasa, De Filippis, Dennison, Dermer, Dolag, Ebeling, Feretti, Ferrari, Fujita, G. Brunetti, G. Macario, Giacintucci, Giacintucci, Giovannini, Giovannini, Girardi, Govoni, Govoni, Jaffe, Kempner, Laganá, Metzger, Moskalenko, Orrú, Ota, Petrosian, Pfrommer, R. Athreya, R. Cassano, Rengelink, Rybichi, S. Bardelli, S. Giacintucci, Sarazin, T. Venturi, van Weeren, Venturi, Venturi, Vikhlinin   +62 more
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Organoids in pediatric cancer research

FEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

The site frequency spectrum of dispensable genes [PDF]

, 2014
The differences between DNA-sequences within a population are the basis to infer the ancestral relationship of the individuals. Within the classical infinitely many sites model, it is possible to estimate the mutation rate based on the site frequency ...
Baumdicker, Franz
core