Research On Nanning City Image Perception Based On Weibo Data

Since the reform and opening up,my country’s high-speed urbanization has led to the rapid expansion of urban scale,the loss of urban characteristics and the convergence of urban style has become more and more obvious.To improve the“quality” of urban space environment,therefore,improving the quality of urban public space and strengthening the interactive relationship between it and the public are feasible ideas to solve the crisis of urban characteristics.Nanning is the hometown of the Zhuang people and the opening window of my country’s ASEAN.The display of its urban culture and urban characteristics is an important measure to promote cultural exchanges and disseminate national culture.Therefore,it is particularly important to analyze the characteristics of Nanning’s urban image and put forward development suggestions for it.Promoting Nanning to improve the quality of urban space and shape the characteristics of the city.On the basis of systematically sorting out the existing research on urban imagery and the guidance of relevant planning images of Nanning City,we obtain Weibo data,road traffic network data,POI data,etc.through web crawlers and other means,and apply the kernel density analysis method,grid statistics method and other analysis methods.Weibo spatial data,applying computer deep learning method to identify the emotional tendencies in the content of Weibo picture data and text data,and identify the urban image structure,image characteristics and emotional characteristics of Nanning City.The main conclusions reached are as follows:(1)The image structure of Nanning needs to be further improved,and there is a large gap in image recognition in the Jiangnan and Jiangbei regions.Among them,the road presents a structural framework of “circle layer + square grid”.The Yongjiang River is the most important boundary element in Nanning City.The area is distributed from east to west,and the regional functions are diversified,but there is a lack of connection between regions;It presents a “T”-shaped structure distribution;the number of markers is small,and they are concentrated in the International Convention and Exhibition Center and around the Chaoyang Commercial Center.At the same time,the polarization of urban imagery in the areas within the inner ring expressway of Nanning City is strong,and the image recognition in the peripheral areas needs to be further improved.(2)The urban image of the main urban area of Nanning has distinct characteristics,mainly urban life,but the richness needs to be improved.At present,the image characteristics of Nanning are mainly based on urban life,followed by urban landscape.The image characteristics of natural landscape and cultural exhibition are not significant enough,and they do not reflect the advantages of Nanning’s natural landscape and cultural characteristics,which are related to Nanning.There is still a certain gap in the characteristics of urban imagery such as natural landscapes,ASEAN customs,and Zhuangxiang elements guided by the planning.(3)The city image and emotion in the main urban area of Nanning showed a positive tendency as a whole.Positive emotions are mainly distributed in the central area of the city,and the distribution of positive emotions in the peripheral urban areas is relatively scattered,while the number of neutral or negative emotions is small,scattered in the junction area between regions and the peripheral areas of the city.