Results 71 to 80 of about 2,241,084 (300)

Multiobject Tracking in Satellite Videos With Multiperception Fusion and Gaussian Process Regression

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
As an emerging topic in remote sensing, multiobject tracking in satellite video can provide important support for dynamic Earth observation. The major challenges stem from the diverse sizes of objects and sparse pixel occupancy in wide satellite ...
Yuqi Wu, Donglin Xue, Haijiang Sun, Jinchang Ren, Qiaoyuan Liu, Xiaowen Zhang   +5 more
doaj   +1 more source

On the Integration of Random Access and DAMA Channels for the Return Link of Satellite Networks [PDF]

, 2013
Recent advances in Random Access (RA), improving throughput and loss rates, make the usage of such technique particularly interesting to complement Demand Assigned Multiple Access (DAMA) channels for the return link of satellite systems.
Munari, Andrea, Kissling, Christian, Christian Kissling, Andrea Munari Dlr   +3 more
core   +1 more source

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

Advanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo, Sina Jamali, Nam‐Trung Nguyen   +2 more
wiley   +1 more source

Frequency-Aware Enhancement Network for Satellite Video Super-Resolution

Remote Sensing
The lower quality of frames in satellite videos compared to natural videos poses significant challenges in capturing detailed information for alignment and fusion in the image space. In this paper, we introduce a novel frequency-aware enhancement network
Xiujuan Lang, Jin Zhang, Tao Lu, Yuan Yao, Yu Wang, Liwei Wang   +5 more
doaj   +1 more source

Low‐Outgassing Liquid Metal–Silicone Composites for Multifunctional Space Applications

Advanced Materials Technologies, EarlyView.
Integrating liquid metal microdroplets into a space‐grade silicone creates a multifunctional composite while preserving its inherent flexibility and low‐outgassing behavior. The composite has 11×$\times$ higher thermal conductivity while remaining thermally stable and maintaining a total mass loss of ≤$\le$ 1% under thermal vacuum testing.
Spencer Pak, Matthew R. Jamison, Cadré J. Francis, Ravi Tutika, Stephen A. Morin, Eric J. Markvicka   +5 more
wiley   +1 more source

Positive-Incentive Noise Guided Adaptive Object Tracking via Motion State Transition

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Remote sensing satellite video object tracking plays a critical role in dynamic Earth observation, yet faces unique challenges, including small targets, low resolution, platform motion interference, and sparse scene information. In the real world, how to
Yuwei Lu, Hongming Peng
doaj   +1 more source

Pointlike Material Accumulation and Displacement in Azopolymer Thin Films Driven by Spatial Light Modulation

Advanced Optical Materials, EarlyView.
A maskless, SLM‐driven approach enables the deterministic inscription of arbitrary topographical features in azopolymer films by mapping complex vectorial light fields onto local viscoplastic stress. This platform allows for the rapid generation and dynamic erasure of high‐aspect‐ratio micro‐spikes, offering a versatile tool for reconfigurable flat ...
Jonas Strobelt, Nikolai Liubimtsev, Marina Saphiannikova, Svetlana Santer   +3 more
wiley   +1 more source

A Spatiotemporal Coenhancement Network for Satellite Video Super-Resolution

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
In recent years, satellite video has emerged as a pivotal Earth observation technology, attracting considerable attention for its capability to capture dynamic information.
Hongliang Chang, Haijiang Sun, Qiaoyuan Liu, Xiaowen Zhang   +3 more
doaj   +1 more source

AI‐Powered Framework for Evaluating Drug Efficacy for Three‐Dimensional In Vitro Cancer Models in Robot‐Assisted Production

Advanced Robotics Research, EarlyView.
An AI‐powered, robot‐assisted framework automatically produces, images, and analyzes 3D tumor spheroids to evaluate drug efficacy. Integrated modules handle spheroid formation, live/dead staining, brightfield imaging, and automated image analysis, including spheroid segmentation, viability and metrics to assess the drug treatment efficacy. The workflow
Dalia Mahdy, Jesus Nieves, Lukas Königer, Matthias Peindl, Fabio Erhard, Marc Möllmann, Anke Klingner, Markus Münig, Bibin Babu, Thomas Schwarz, Marco Metzger, Gudrun Dandekar, Maximiliane Wußmann, Jan Hansmann   +13 more
wiley   +1 more source

Controlling Unreliable Observation Propagation in Satellite-Video Multiobject Tracking via Candidate Refinement and Short-Window Trajectory Rectification

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
High-resolution optical satellite video enables persistent wide-area observation. However, robust multiobject tracking remains highly challenging because small moving targets typically occupy only a few pixels and generate weak, temporally unstable ...
Fen Hu, Peng Yang, Jie Dou, Lei Dou
doaj   +1 more source