公开(公告)号：US20250046054A1

公开(公告)日：2025-02-06

申请号：US18717239

申请日：2023-03-17

Applicant: Beijing Bytedance Network Technology Co., Ltd. ,  Lemon Inc.

Inventor： Chong WANG ,  Lin ZHENG

IPC: G06V10/48 ,  G06F17/18

Abstract: The disclosure relates to a method, an apparatus, a storage medium, an electronic device, a computer program product, and a computer program for feature extraction, device. The method includes: determining target data for a feature to be extracted, and determining, based on the target data, a plurality of query vectors, a plurality of key vectors, and a plurality of value vectors; determining a plurality of key-value pair information corresponding to each of the query vectors; and performing, for each of the query vectors, a random mapping based on the query vector and the plurality of data samples, to obtain a plurality of random query vectors, and determining feature information corresponding to the query vector based on the plurality of random query vectors and the plurality of key-value pair information.