1. A method comprising: staining a tissue microarray with a first stain and a second stain to obtain a stained tissue microarray, each of the first stain and the second stain selectively staining portions of the tissue microarray; capturing an image of the stained tissue microarray, the image including a plurality of specimen images; analyzing the image to identify a first color vector corresponding to the first stain and a second color vector corresponding to the second stain; and measuring a presence of each one of the first color vector and the second color vector in one or more of the plurality of specimen images.