Customized OCT images compression scheme with deep neural network
Pengfei Guo, Dawei Li, Xingde Li

TL;DR
This paper presents a deep neural network-based compression scheme for retina OCT images, achieving high similarity and better visual quality at high compression ratios compared to JPEG, demonstrating the potential of deep learning in medical image compression.
Contribution
It introduces a novel end-to-end CNN framework with customized preprocessing and skip connections for OCT image compression, outperforming traditional methods like JPEG.
Findings
Achieves over 99% MS-SSIM at 40x compression ratio.
Reconstructed images at 80x compression surpass JPEG at 20x in quality.
Deep neural networks show significant potential for medical image compression.
Abstract
We customize an end-to-end image compression framework for retina OCT images based on deep convolutional neural networks (CNNs). The customized compression scheme consists of three parts: data Preprocessing, compression CNNs, and reconstruction CNNs. Data preprocessing module reduces the speckle noise of the OCT images and the segments out the region of interest. We added customized skip connections between the compression CNNs and the reconstruction CNNs to reserve the detail information and trained the two nets together with the semantic segmented image patches from data preprocessing module. To train the two networks sensitive to both low frequency information and high frequency information, we adopted an objective function with two parts: A PatchGAN discriminator to judge the high frequency information and a differentiable MS-SSIM penalty to evaluate the low frequency information.…
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Taxonomy
TopicsRetinal Imaging and Analysis · Optical Coherence Tomography Applications · Advanced Image Processing Techniques
MethodsPatchGAN
