Abstract: An adaptive characteristic spectral line screening method and system based on atomic emission spectrum are provided, the method includes: using a set characteristic screening optimization method to perform a plurality of optimization rounds of characteristic screening, obtaining an initialized spectral dataset of each round of the characteristic screening and initialized characteristic population genes; obtaining an optimal characteristic population gene of each round by a set analysis method, a fitness function, and an iteration of a genetic algorithm; obtaining an optimized characteristic spectral information set when the plurality of optimization rounds reach set optimization rounds; performing combination statistics and discriminant analyses on the optimized characteristic spectral information set to complete an adaptive characteristic spectral line screening.

Abstract: Embodiments of the disclosure provide a method and a device for creating multimedia content, and a storage medium. The method includes: receiving a keyword query request transmitted from a creator client by a server; obtaining a recommended keyword according to the keyword query request, and transmitting the recommended keyword to the creator client; and receiving first multimedia content created and uploaded by the creator client according to the recommended keyword. According to the embodiments of the disclosure, the recommended keyword is provided for the creator client, such that a creator is stimulated to complete the creation of the multimedia content according to the keyword, and a creative direction is provided for the creator. Meanwhile, the multimedia content of the server is supplemented and becomes more diversified, such that demands of a viewer can be better satisfied, and activity of the creator and activity of the viewer can be improved.

Abstract: An adaptive characteristic spectral line screening method and system based on atomic emission spectrum are provided, the method includes: using a set characteristic screening optimization method to perform a plurality of optimization rounds of characteristic screening, obtaining an initialized spectral dataset of each round of the characteristic screening and initialized characteristic population genes; obtaining an optimal characteristic population gene of each round by a set analysis method, a fitness function, and an iteration of a genetic algorithm; obtaining an optimized characteristic spectral information set when the plurality of optimization rounds reach set optimization rounds; performing combination statistics and discriminant analyses on the optimized characteristic spectral information set to complete an adaptive characteristic spectral line screening.