{ "item_title" : "Computer Analysis of Scenes of 3-Dimensional Curved Objects", "item_author" : [" Nevatia "], "item_description" : "1.0 2 The attention then turned to the problem of Body separation, i.e. separation of occluding bodies in a scene (SeeGuzman),Falk), andWaltz)). Grape ( Grape)) combined the separation of bodies with recognition, by removing parts of the scene recognized as belonging to a known body. All of these techniques were designed to work with polyhedral objects only, and extensively use the properties of edges and vertices. Though some impressive results have been reported ( Waltz],Grape)), and perhaps some useful abstractions can be made, the specific techniques used fail to generalize to a wider class of objects. Among previous work on curved objects, B.K.P. Horn ( Horn)) presented techniques for extracting three dimensional depth data from a TV image, using reflection characteristics of the surface. Krakauer ( Krakauer]) represented objects by connections of brightness contours. Ambler et al ( Ambler)) describe experiments with simple shapes, including curved objects, using relations within a two-dimensional image. However, none of these efforts really addresses the problem of shape representation and description. Work on outdoor scene analysis is also concerned with non-polyhedral objects ( Bajcsy],Yakimovsky]), but again no attention has been paid to shape analysis.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/3/76/430/845/3764308451_b.jpg", "price_data" : { "retail_price" : "54.99", "online_price" : "54.99", "our_price" : "54.99", "club_price" : "54.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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