元の名称記録: Zhejiang Hengyi Petrochemical Co., Ltd.

A detection method and apparatus, and a storage medium are provided, relating to a field of data processing technology. The method includes: obtaining a first entering image and a first leaving image when detecting that a target trolley leaves a target area; obtaining a target entering mask image of the first entering image and a target leaving mask image of the first leaving image, wherein the target entering mask image is obtained by using a mask plate to mask an area where each yarn spindle is located in the first entering image, and the target leaving mask image is obtained by using a mask plate to mask an area where each yarn spindle is located in the first leaving image; and obtaining detection information of the target trolley based on difference information between the target entering mask image and the target leaving mask image.