2020
DOI: 10.1007/s11548-020-02262-4
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Unravelling the effect of data augmentation transformations in polyp segmentation

Abstract: Purpose Data augmentation is a common technique to overcome the lack of large annotated databases, a usual situation when applying deep learning to medical imaging problems. Nevertheless, there is no consensus on which transformations to apply for a particular field. This work aims at identifying the effect of different transformations on polyp segmentation using deep learning. Methods A set of transformations and ranges have been selected, considering image-based (width and height shift, rotation, shear, zo… Show more

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Cited by 27 publications
(12 citation statements)
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“…Hussain et al, 2017 ). Another report proposed to change image pixel brightness and contrast to improve the deep learning training results ( Sánchez-Peralta, Picón, Sánchez-Margallo, and Pagador, 2020 ). There are many methods of data augmentation.…”
Section: Methodsmentioning
confidence: 99%
“…Hussain et al, 2017 ). Another report proposed to change image pixel brightness and contrast to improve the deep learning training results ( Sánchez-Peralta, Picón, Sánchez-Margallo, and Pagador, 2020 ). There are many methods of data augmentation.…”
Section: Methodsmentioning
confidence: 99%
“…In this particular task, data transformation has been considered due to the relative absence of large annotated image databases of polyps. These approaches have included changing the image dimensions, changing pixel values, and adding in external conditions with the goal to maintain or achieve better generalizability for ML tools to detect polyps (Sánchez-Peralta et al, 2020).…”
Section: Case Study: Colonoscopy With Computer-aided Detectionmentioning
confidence: 99%
“…To compare the proposed data augmentation method with existing ones, we have augmented the dataset with height shift [20], rotation [21], and width shift [22]. The results of training the CNN on the data augmented with these methods are presented in Table 3.…”
Section: Comparison Of Different Data Augmentation Methodsmentioning
confidence: 99%