Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Jul 5;50(12):1846–1856. doi: 10.1007/s10439-022-03000-4

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) under exclusive licence to Biomedical Engineering Society 2022

This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

PMC Copyright notice

Resolution and color accuracy evaluation of CPI-2 system. (a) Image of captured USAF 1951 resolution target; (b) Image of re-projected target; (c) The intensity variation of the region of interest (ROI) along the dashed line from image (a) and image (b); (d) Image of the captured X-rite colorchecker passport before color calibration; (e) Image (d) after color calibration; (f) Histogram of the ΔE (CIEDE2000) between the color values in image (d, e) and the true values. Mean values of the ΔE before and after color calibration are 9.91 and 1.33 respectively.