Picture set operation method, picture set labeling method and device

The invention discloses a picture set operation method, a picture set labeling method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: acquiring a candidate picture set, wherein the candidate picture set comprises a plurality of candidate pictures; determining a first similarity value between any two candidate pictures in the plurality of candidate pictures according to the first feature values of the plurality of candidate pictures; performing duplicate removal processing on the candidate picture set according to the first similarity value; determining a second similarity value between any two candidate pictures in the candidate picture set after the duplicate removal processing according to the second feature values of the plurality of candidate pictures in the candidate picture set after the duplicate removal processing; and according to the second similarity value, performing de-duplication processing on the candidate pictures