With the continuous development of short video User Generated Content (UGC) mode, TikTok short video is one of the key topics of research today. Researchers have found that TikTok is a channel for self-expression, where users can perform episodic expressions and express their real feelings through such special effects. At the same time, this interactive dissemination of cultural symbols also builds users’ cultural identity. However, there is a lack of uniform explanation for the relationship between the mass copying, pasting and dissemination of such videos and user psychology. Therefore, this paper analyzes the deeper reasons for the hot spread of this particular special effects category by categorizing the number of popular videos with "ultra-long watermelon" special effects in terms of the number of uses and texts, distributing questionnaires to investigate the users' use of the "five senses of everything" category of special effects, and analyzing the data by content analysis method and questionnaire survey method. Finally, it finds out that the "facial features filter" allows users to have highly masked digital doubles easily, and the tendency to use "facial features filter" type effects is enhanced by users' own physical and psychological characteristics and the properties of social media platforms under the fetish effect.
Aiming at the problems of long positioning time and poor positioning accuracy in traditional positioning systems, a WeChat applet QR code area positioning system based on the LBS cloud platform is proposed and designed. The overall architecture of the system is divided into three parts: LBS cloud service, central data processing, and QR code positioning terminal for small programs. The hardware is designed from the server-side module, processor and positioning module to provide a basis for system construction. In the software design, the WeChat applet QR code area image is collected, the image edge features are enhanced and filtered, the positioning target is determined according to the processed image edge features, and the WeChat applet QR code area positioning system design is completed. The experimental results show that the positioning time of the system is equivalent to 50% of the traditional system, and the positioning accuracy is always maintained above 99.5%, which has significant advantages.
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