Figure 7
From: Interactive Outlining of Pancreatic Cancer Liver Metastases in Ultrasound Images

Segmentation results (manual/interactive) of a hyperechoic appearing metastasis with a hypoechoic halo (metastasis of a colon cancer), where the metastasis shows a very low contrast to the surrounding liver parenchyma. The native image with a zoomed view of the metastasis is presented in the left image. A manual measurement of the maximal metastasis diameter (white dotted line between two white crosses) is shown in the middle image. Finally, the rightmost image presents the interactive segmentation results (red dots) with the corresponding user-defined seed point (white). Note: figure adapted from26.