Utilizing a large-scale object detector to automatically select objects in digital images

In a digital medium environment for creating or editing digital images, a computer-implemented method of selecting query objects, comprising:

• in response to receiving a query string to automatically select a query object within a digital image, generating a plurality of region proposals for objects detected in the digital image utilizing a region proposal model;
• generating a heat mask of the digital image that indicates areas in the digital image that potentially contain the query object;
• filtering the plurality of region proposals based on the heat mask to identify a subset of filtered region proposals;
• generating object labels for the subset of filtered region proposals utilizing an auto tagging model;
• and
• detecting the query object based on comparing the object labels generated for the subset of filtered region proposals with the query string.

A system comprising:

• one or more memory devices comprising:
• a digital image comprising a plurality of objects;
• a query string indicating a query object to be automatically selected;
• a large-scale object detector comprising a region proposal model, a concept mask model, and an auto tagging model;
• and
• a concept mask of the digital image that indicates areas in the digital image where the query object potentially resides generated by the concept mask model;
• and
• one or more server devices configured to cause the system to:
• in response to receiving the query string, utilizing the region proposal model to identify a plurality of region proposals for objects detected within the digital image;
• determine a missing potential object within the digital image based on comparing the plurality of region proposals to the concept mask;
• add an additional region proposal for the missing potential object to the plurality of region proposals;
• generate one or more object labels for the plurality of region proposals utilizing an auto tagging model;
• and
• detect the query object from the plurality of region proposals based on comparing the query string with the object labels generated for the plurality of region proposals.