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· 1991
From the acquired information in the first scanning plane the directions of the next scanning planes for further data acquisition are computed."
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Abstract: "The task of constructing a volumetric description of a scene from a single image is an underdetermined problem, whether it is a range or an intensity image. To resolve the ambiguities that are caused by occlusions in images, we need to take sensor measurements from several different views. We have limited ourselves to the range images obtained by a laser scanning system. It is an active binocular system which can encounter two types of occlusions. An occlusion arises either when the reflected laser light does not reach the camera or when the directed laser light does not reach the scene surface.
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Ob pojavu znatnega števila velikih slikovnih podatkovnih zbirk, v katerih so bile slike večinoma opisane s tekstovnimi deskriptorji, se je zaradi nepopolnosti tovrstnega načina opisovanja sčasoma pojavila potreba po drugačnem pristopu do indeksiranja slik in poizvedovanja po njih. Alternativa tekstovnim sistemom poizvedovanja po slikah je poizvedovanje po slikah na podlagi vsebine. Slike so indeksirane na osnovi svoje dejanske vsebine in značilnice, kot so barva, tekstura in oblika so izražene s številčnimi vrednostmi. V procesu poizvedovanja sistem izračuna vrednosti značilnic za podano sliko na isti način, kot so izračunane vrednosti za slike shranjene v zbirki in opravi primerjavo. Takšni sistemi so znani pod imenom CBIR (content-based image retrieval) sistemi. Opisal in predstavil sem osnovne karakteristike CBIR sistemov, prosto dostopnih prek svetovnega spleta s poudarkom na vmesniških strukturah. Izsledki raziskave bodo pomagali prepoznati osnovne prednosti in pomanjkljivosti obstoječih sistemov in bodo pospremljeni z referenčno spletno stranjo za bibliotekarje.