This article aims to investigate how circuit-based hybrid Quantum Convolutional Neural Networks (QCNNs) can be successfully employed as image classifiers in the context of remote sensing. The hybrid QCNNs enrich the classical architecture of CNNs by introducing a quantum layer within a standard neural network. The novel QCNN proposed in this work is applied to the Land Use and Land Cover (LULC) classification, chosen as an Earth Observation (EO) use case, and tested on the EuroSAT dataset used as reference benchmark. The results of the multiclass classification prove the effectiveness of the presented approach, by demonstrating that the QCNN performances are higher than the classical counterparts. Moreover, investigation of various quantum circuits shows that the ones exploiting quantum entanglement achieve the best classification scores. This study underlines the potentialities of applying quantum computing to an EO case study and provides the theoretical and experimental background for futures investigations.
This paper deals with the problem of spacecraft time-optimal reorientation maneuvers under boundaries and path\ud
constraints. The minimum time solution with keep-out constraints is proposed using the particle swarm optimization\ud
technique. A novel method based on the evolution of the kinematics and the successive obtainment of the control law is\ud
presented and named as inverse dynamics particle swarm optimization. It is established that the computation of the\ud
minimum time maneuver with the proposed technique leads to near-optimal solutions, which fully satisfy all the\ud
boundaries and path constraints
This concept paper aims to provide a brief outline of quantum computers, explore existing methods of quantum image classification techniques, so focusing on remote sensing applications, and discuss the bottlenecks of performing these algorithms on currently available open source platforms. Initial results demonstrate feasibility. Next steps include expanding the size of the quantum hidden layer and increasing the variety of output image options.
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