Constructing Benchmark Databases and Protocols for Medical Image Analysis: Diabetic Retinopathy

Figure 4

Four independent sets of spatial annotations (contours and representative points) for the same lesion type (hard exudates). The representative point markers denote the confidence level (𝑠𝑞𝑢𝑎𝑟𝑒=100%, 𝑡𝑟𝑖𝑎𝑛𝑔𝑙𝑒>50%, and 𝑐𝑖𝑟𝑐𝑙𝑒<50%) [1].