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. 2021 Mar 25;11:6910. doi: 10.1038/s41598-021-86296-x

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Overview and characteristics of images obtained using TXI and comparison with those of images obtained using other modalities: (a) TXI: In the first process of the TXI output, the image obtained from WLI is divided into a base image and a texture image. Then, texture enhancement is applied to the texture image and brightness adjustment is applied to the base image. These two images are combined to produce a TXI mode 2 image. Then, a TXI mode 1 image can be obtained by color enhancement of the TXI mode 2 image. On the other hand, NBI (b), BLI (c), and LCI (d) all obtain information by strongly irradiating a narrow band of light, which is thought to be more suitable for observing information on the mucosal surface and blood vessels. LCI is similar to TXI in that it uses color enhancement technology to enhance the visibility of lesions, while TXI differs from LCI in that it does not use more narrow-band light and adds texture enhancement.