DATASET AND IMPROVED YOLOV7 FOR TEXT-BASED TRAFFIC SIGN DETECTION

DATASET AND IMPROVED YOLOV7 FOR TEXT-BASED TRAFFIC SIGN DETECTION

Traffic sign detection is an important part of autonomous driving technology, and it is also important to have a large-scale dataset applicable to Chinese traffic scenarios.The article proposes a text-based self-labelled traffic sign dataset which consists of 3153 images, of which 2903 images are used for training and 250 images are used for valida

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Prognostic factors of pancreatic tumors in children and adolescents: a population study based on the surveillance, epidemiology, and end results database

Abstract Purpose Pancreatic tumors in children are uncommon, and data is scarce.The purpose of this study is to examine the prognostic factors of pediatric pancreatic tumors in a population-based Brown Seaweed cohort.Methods The Surveillance, Epidemiology, and End Results (SEER) database was used to identify all pediatric patients with pancreatic t

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Preparation and evaluation of a polycaprolactone/chitosan/propolis fibrous nanocomposite scaffold as a tissue engineering skin substitute

Introduction: Recently, the application of nanofibrous mats for dressing skin wounds has received great attention.In this study, we aimed to fabricate and characterize an electrospun nanofibrous mat containing polycaprolactone (PCL), chitosan (CTS), and propolis for use as a Dolls House Toys tissue-engineered skin substitute.Methods: Raw propolis w

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