Original and program output sample images for X-ray, mixed beam and alpha-particle irradiated VH10 cells. Images were captured 1 h after irradiation. A-C: Original images. A: 0.20 Gy X-rays, B: 0.27 Gy alpha particles, C: 0.27 Gy mixed beams (0.20 Gy X-rays + 0.07 Gy alpha particles), D-F, corresponding program output images. D: Analysis image from A, X-rays. E: Analysis image from B, alpha particles. F: Analysis image from C, mixed beams. In images D-F: red dots = small foci, green dots = large foci.