Search Results - Ruixia Liu
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Research on cardiac image segmentation algorithm based on improved level set modeling
Published 2025-07-01Get full textIn recent years, cardiac medical image segmentation using the variational level-set method has been widely applied in image processing. However, the uneven grayscale of images and the symbolic distance function in the gradient descent method lead to issues such as computational complexity and high c...
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Brillouin Backscattering Light Properties of Chaotic Laser Injecting Into an Optical Fiber
Published 2017-01-01Get full textLaser diode-based optical chaos is attractive for the fundamental physics as well as practical tasks in such as secure communications, random number generation, and fiber sensing. The characteristics of Brillouin backscattering light generated by injecting a chaotic laser into a single mode fiber ha...
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Multi-Objective Optimization of Urban Residential Envelope Structures in Cold Regions of China Based on Performance and Economic Efficiency
Published 2025-07-01Get full textChina’s urban residential building stock is extensive and spans a wide range of construction periods. With the continuous enhancement of building energy efficiency standards, the chronological characteristics and variability of residential building envelopes are evident. Through field research and t...
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Associations of hepatic steatosis index in early pregnancy with perinatal outcomes: A prospective birth cohort study
Published 2025-07-01Get full textBackground: This study aims to evaluate the association between maternal hepatic steatosis index (HSI) in the first trimester and adverse perinatal outcomes. Methods: A prospective birth cohort study was conducted from 19 February 2018 to 31 December 2022 in China. Logistic regression models and res...
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