The document discusses advancements in image segmentation techniques, particularly focusing on the integration of the Oriented Active Appearance Model (OAAM) with other methods like Live Wire and Graph Cut for improved accuracy and processing time. It highlights the advantages of these techniques in medical image analysis, specifically in the segmentation of anatomical structures, while also addressing the challenges faced with existing methods. The authors also review the manual and semi-automated annotation processes used in clinical settings to enhance the identification and delineation of organs and tumors in medical images.
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