Training results with different input sizes.

Training results with different input sizes.

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Arroyo-Núñez, J.H.; Clavel-Maqueda, M. Cuscuta spp. Segmentation Based on Unmanned Aerial Vehicle (UAVs) and Orthomasaics Using a U-Net Xception-Style Model. Remote Sens. 2022, 14, 4315. https://doi.

Contexts in source publication

Context 1
... the training results do not reflect the error of increasing the mask to segment the images taken by the UAV. Table 2 shows the training results on the test dataset. ...
Context 2
... end-to-end features of the U-Net Xception-style architecture allowed us to focus on the input and output of the task without having to extract complex features from the input data. Table 2 shows the average performance of the model for the segmentation of Cuscuta spp. and the generation of the orthomosaics on the test dataset. ...

Citations

Chapter
Effective detection of the COVID-19 pandemic is essential for timely disease treatment and prevention. This work studies compact deep-learning models executed on mobile devices for segmenting COVID-19 RT-PCR test tube images, a crucial image-processing step preceding higher-level tasks. Since the device resource constraints and the need for rapid results necessitate compact and streamlined models with reasonable accuracy, we employ the hyperparameter width multiplier \(\alpha \) to the trainable components in the two deep learning models based on the U-Net architecture, including MobileNetV2 and Xception. Our new compact models, called \(\alpha \)-MobileNetV2 and \(\alpha \)-Xception, facilitate the progressive simplification of the U-Net model structures, maintaining high accuracy. By varying the width multiplier \(\alpha \), we explore diverse training conditions for the models, analyzing the model size and its performance. The final model achieves a \(3.2 \times \) reduction in size and \(3 \times \) faster inference, with merely a 1.2% loss in accuracy compared to standard MobileNetV2 on segmenting COVID-19 PCR test tube images.