The fourth session of the 2001 SEG Summer Research Workshop, “Image Processing II—Extracting Information from Images,” complemented “Image Processing I—Forming and Enhancing Images” by focusing on methods for analyzing images for important features and extracting qualitative and quantitative results. All three disciplines that participated in the workshop—geophysics, medicine, and space-based remote sensing—have an escalating need to automatically extract information from digital images and speakers in all three fields testified to the commonality of techniques and synergies among disciplines.

Several presentations discussed how to find boundaries between distinct components of an image—a field known as image segmentation. Leadoff speaker Ravi Malladi...

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