Recent advancements in electronic commerce and communication systems have significantly increased the use of credit cards for both online and regular transactions.However, there has been a steady rise in fraudulent credit card transactions, costing financial companies huge losses every year.The development of effective fraud detection algorithms is
Simultaneous localization and mapping (SLAM) has a training day horse supplement wide range of applications, such as mobile robots, intelligent vehicle localization, and intelligent transportation system.However, loop closure detection is a challenge task for SLAM.This task concerns the difficulty of recognizing already mapped areas.To this end, th
In this paper, a method to improve the performance of PEMFCs using porous material as a flow channel baffle is proposed.The results show that sassafras dahlia PEMFCs with four porous baffles flow channels have better performance at high current density compared with the traditional flow channel.The structural parameters of the flow channel explored