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Presentation + Paper
4 April 2022 Efficient endoscopic frame informativeness assessment by reusing the encoder of the primary CAD task
Author Affiliations +
Abstract
The majority of the encouraging experimental results published on AI-based endoscopic Computer-Aided Detection (CAD) systems have not yet been reproduced in clinical settings, mainly due to highly curated datasets used throughout the experimental phase of the research. In a realistic clinical environment, these necessary high image-quality standards cannot be guaranteed, and the CAD system performance may degrade. While several studies have previously presented impressive outcomes with Frame Informativeness Assessment (FIA) algorithms, the current-state of the art implies sequential use of FIA and CAD systems, affecting the time performance of both algorithms. Since these algorithms are often trained on similar datasets, we hypothesise that part of the learned feature representations can be leveraged for both systems, enabling a more efficient implementation. This paper explores this case for early Barrett cancer detection by integrating the FIA algorithm within the CAD system. Sharing the weights between two tasks reduces the number of parameters from 16 to 11 million and the number of floating-point operations from 502 to 452 million. Due to the lower complexity of the architecture, the proposed model leads to inference time up to 2 times faster than the state-of-the-art sequential implementation while retaining the classification performance.
Conference Presentation
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fidan Mammadli, Fons van der Sommen, Tim Boers, Joost van der Putten, Kiki N. Fockens, Jelmer B. Jukema, Martijn R. de Jong, Jacques J.G.H.M. Bergman, and Peter H. N. de With "Efficient endoscopic frame informativeness assessment by reusing the encoder of the primary CAD task", Proc. SPIE 12033, Medical Imaging 2022: Computer-Aided Diagnosis, 120331C (4 April 2022); https://doi.org/10.1117/12.2611133
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KEYWORDS
Endoscopy

CAD systems

Image quality

Algorithm development

Network architectures

Detection and tracking algorithms

Video

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