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Robust detection for selective harvesting of field flat jujube: overcoming occlusion and small-target challenges in unstructured environments. [PDF]

Front Plant Sci
Li S, Guo S, Gao S, Sun L, Li F, Zhang S.   +5 more
europepmc   +1 more source

Dynamic Occlusion Analysis in Optical Flow Fields [PDF]

IEEE Transactions on Pattern Analysis and Machine Intelligence, 1985
Optical flow can be used to locate dynamic occlusion boundaries in an image sequence. We derive an edge detection algorithm sensitive to changes in flow fields likely to be associated with occlusion. The algorithm is patterned after the Marr-Hildreth zero-crossing detectors currently used to locate boundaries in scalar fields.
William B Thompson
exaly   +3 more sources

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Dynamic scene occlusion culling

IEEE Transactions on Visualization and Computer Graphics, 1999
Large, complex 3D scenes are best rendered in an output-sensitive way, i.e., in time largely independent of the entire scene model's complexity. Occlusion culling is one of the key techniques for output-sensitive rendering. We generalize existing occlusion culling algorithms, intended for static scenes, to handle dynamic scenes having numerous moving ...
Craig Gotsman
exaly   +2 more sources