The invention discloses a
system and a method for sensing emotion of
juvenile environmental psychology based on electroencephalogram, and a method for selecting
simulation samples. The
system comprises an electroencephalogram
signal acquisition module, an electroencephalogram
signal preprocessing module, an electroencephalogram
signal feature extraction module, an emotion sensing module and the like; and a
built environment serves as a visual
simulation source, wherein juveniles often contact with, participate in or are crazy about the
built environment. The emotion sensing method comprises the steps of selecting the visual
simulation source, acquiring the electroencephalogram signal, preprocessing the electroencephalogram signal, extracting electroencephalogram signal features, training a model, determining emotion intensity and the like. According to the method for selecting the simulation samples,
arousal dimensionality and valence dimensionality are divided according to 5 emotion intensities, and rectangular select boxes are determined non-equidistantly according to the actual selected condition of the samples and the distribution state of the samples in a two-dimensional space. The emotion
sensing system, the emotion sensing method and the method for selecting the simulation samples have the advantages of high emotion sensing ability, object extending ability and the like, and have high application values in environmental psychology research.