Example systems disclosed herein are to process image frames with a reverse image search engine to generate corresponding search results pages, capture screenshots corresponding respectively to the search results pages, generate base query records corresponding to respective ones of the screenshots that have respective textual information that matches a base search term, the respective ones of the base query records including the base search term and at least portions of the respective textual information from the corresponding screenshots, determine an object search term based on a frequency analysis of the textual information included in the base query records, generate object query records corresponding respectively to ones of the base query records that have respective textual information matching the object search term, and identify a first object depicted in the video based on at least one criteria applied to the object query records.