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Jinrui Liao - IEEE Xplore Author Profile

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Synthetic aperture radar (SAR) target image acquisition presents challenges and incurs high annotation costs. The emergence of self-supervised contrastive learning shows promise for SAR automatic target recognition (ATR) with limited data. However, SAR images suffer from poor discriminability and high sample similarity, hindering instance discrimination in contrastive learning. To address this, we...Show More
Deep-learning-based on convolutional neural networks (CNN) has been widely applied in synthetic aperture radar (SAR) target recognition and made significant progress. However, due to the physical effects of the equipment used to collect images, various degrees of speckle noise will be introduced into SAR images. Traditional CNN-based SAR target recognition methods are premised on the same noise in...Show More
The development of steel/aluminum (called work-pieces) industry often focuses on productivity, labour costs and quality control, which are essential for industry. However, the counting of workpieces is inseparable from a large amount of labor, so that the problems of low efficiency, high cost and low accuracy of manual counting are highlighted. To address these issues, we propose an accurate workp...Show More
Some Synthetic aperture radar (SAR) target images are challenging to acquire and costly to label. Self-supervised learning is available for SAR Automatic Target Recognition(SAR, ATR) applied to small samples, but the poor discrimination of SAR images and the large similarity between samples are not conducive to self-supervised learning for instance discrimination. In this paper, we proposed a self...Show More
Whether the down-tilt angle of the mobile communication base station antenna is reasonable directly affects the coverage effect and communication quality of the whole network. Measurement of traditional antenna parameters mainly relies on engineers climbing the base station for manual measurements, confronting the dilemma of low measurement efficiency and a dangerous working environment. Moreover,...Show More