Disclosed are systems and methods for body weight prediction from one or more images. The method includes the steps of receiving one or more subject parameters； receiving one or more images containing a subject； identifying one or more annotation key points for one or more body features underneath a clothing of the subject from the one or more images utilizing one or more annotation deep-learning networks； calculating one or more geometric features of the subject based on the one or more annotation key points； and generating a prediction of the body weight of the subject utilizing a weight machine-learning module based on the one or more geometric features of the subject and the one or more subject parameters.
