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Updated: Jan 29, 2026

Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures
Published on: February 15, 2022
[Research on Improved Algorithm of DR Image Enhancement Based on Gauss-Laplacian Pyramid]
Wei Zhu1, Jian Liu1, Mingyue Zhu2
1Affiliated Hospital Nanjing University of TCM(Jiangsu Province Hospital of TCM), Nanjing, 210029.
Objective:
In order to obtain more decision information from Digital Radiography(DR) images, an improved image enhancement algorithm is proposed based on the algorithm of Gauss-Laplacian pyramid.
Methods:
The original algorithm is improved on the basis of the human visual characteristics and better enhancements, the low frequency components of the image is histogram equalized to make the image gray scale more balanced, and the high frequency component is enhanced by a hierarchical exponential enhancement to make the details of the image clearer.
Results:
The improved algorithm improves the contrast of DR images in chest, pelvic and spine, and makes the image more layered and obtains good image enhancement effect.
Conclusions:
The results show that the improved algorithm is superior to the traditional algorithm in terms of image enhancement.
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