| 摘要 |
A method of operating a server which provides an image including frames to at least one user terminal according to the embodiment of the present invention, includes a step of: detecting a plurality of faces in a part of frames, respectively, among a plurality of frames; a step of classifying each of the plurality of detected faces according to a plurality of persons included in each image; a step of calculating the relative face size of each of the plurality of persons based on the plurality of classified faces; a step of determining whether there is a child among the plurality of persons based on the calculated relative face size; and a step of determining whether an image is child pornography according to the determination result. So, the child pornography can be accurately detected. |
