Which of the following statements is not correct?（）
A. The region-based segmentation algorithm has some anti-interference to noise, but it is difficult to select the region characteristics.
B. The A* algorithm should find the node with the largest F value as the new starting position.
C. The back-end optimization in the SLAM system architecture mainly refers to the problem of dealing with noise in the SLAM process, that is, the maximum posterior probability estimation.
D. EKF SLAM is mainly an improved Kalman filtering method based on Kalman filtering. FAST SLAM is mainly based on particle filtering method.
Which of the following statements about exoskeleton technology application is not correct? ()
A. Exoskeleton technology can be applied to army soldiers to increase human body functions and improve combat capabilities.
B. Exoskeleton technology can assist the frail or inconvenient people to exercise normally, and can enhance the physical strength of workers, and provide workers with work efficiency.
C. Exoskeleton technology cannot help paralyzed patients walk.
D. Exoskeleton technology can prevent nuclear radiation and greatly improve work efficiency.
Which of the following categories does not belong to the first-level classification of smart cities:（）
A. Wisdom and people's livelihood
B. Smart management
C. Smart Healthcare
D. Smart industry
belong to the application field of artificial intelligence.
A. Program design
B. Intelligent security
C. Intelligent city
D. Intelligent agriculture
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