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Data Augmentation Using Bitplane Information Recombination Model
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DOI：10.1109/TIP.2022.3175429.png)
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Abstract
En 中文
The performance of deep learning heavily depend on the quantity and quality of training data. But in many fields, well-annotated data are so difficult to collect, which makes the data scale hard to meet the needs of network training. To deal with this issue, a novel data augmentation method using the bitplane information recombination model (termed as BIRD) is proposed in this paper. Considering each bitplane can provide different structural information at different levels of detail, this method divides the internal hierarchical structure of a given image into different bitplanes, and reorganizes them by bitplane extraction, bitplane selection and bitplane recombination, to form an augmented data with different image details. This method can generate up to 62 times of the training data, for a given 8-bits image. In addition, this generalized method is model free, parameter free and easy to combine with various neural networks, without changing the original annotated data. Taking the task of target detection for remotely sensed images and classification for natural images as an example, experimental results on DOTA dataset and CIFAR-100 dataset demonstrated that, our proposed method is not only effective for data augmentation, but also helpful to improve the accuracy of target detection and image classification.
Keywords:
Object detection
Data mining
Data models
Gray-scale
Birds
Remote sensing
Task analysis
Data augmentation
bitplane reorganization
bitplane information recombination model
target detection
image classification
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