US Patent 11195200 Methods and apparatus to group advertisements by advertisement campaign

A disclosed example method to group advertisements by advertisement campaign involves determining a first color proportion of a first color and a second color proportion of a second color in a first advertisement. The example method involves comparing first and second color proportions of the first advertisement to a third color proportion and a fourth color proportion of a second advertisement. The example method also involves associating the second advertisement with a same advertisement campaign of the first advertisement when a comparison between the first color proportion and the third color proportion satisfies a first threshold and a comparison between the second color proportion and the fourth color proportion satisfies a second threshold.