نتایج جستجو برای: Panoramic Projection
تعداد نتایج: 68816 فیلتر نتایج به سال:
AIMS This study used dried human mandibles and aimed to assess the effect of different horizontal condylar angle and the effect of different beam angles from three different units in the depiction of medial, central and lateral parts of the condyle on panoramic and lateral temporomandibular joint (TMJ) panoramic images. METHODS Standard panoramic and lateral TMJ panoramic images of four dried...
The aim of this study is to develop an efficient and practical method of a direct mapping of a panoramic projection on an unfolded prism and pyramid polyhedral projection surface with the aid of a computer. Due to the fact that straight lines very often appear in any architectural form we formulate algorithms which utilize data about lines and draw panoramas as plots of functions in Mathcad sof...
As the field of view of a picture is much smaller than our own visual field of view, it is common to paste together several pictures to create a panoramic mosaic having a larger field of view. Images with a wider field of view can be generated by using fish-eye lens, or panoramic mosaics can be created by special devices which rotate around the camera’s optical center (Quicktime VR, Surround Vi...
Omnidirectional vision systems can provide panoramic alertness in surveillance, improve navigational capabilities, and produce panoramic images for multimedia. Catadioptric realizations of omnidirectional vision combine reflective surfaces and lenses. A particular class of them, the central panoramic systems, preserve the uniqueness of the projection viewpoint. In fact, every central projection...
introduction: various computer assisted medical procedures such as dental implant, orthodontic planning, face, jaw and cosmetic surgeries require automatic quantification and volumetric visualization of teeth. in this regard, segmentation is a major step. material and methods: in this paper, inspired by our previous experiences and considering the anatomical knowledge of teeth and jaws, we prop...
This paper presents a new algorithm for immersive teleconferencing, which addresses the problem of registering and blending multiple images together to create a single seamless panorama. In the immersive telecon-ference paradigm, one frame of the teleconference is a panorama that is constructed from a compound-image sensing device. These frames are rendered at the remote site on a projection su...
The fusion of panoramic camera data with laser scanner data is a new approach and allows the combination of high-resolution image and depth data. Different applications are in the field of city modelling and computer vision application, as well as the documentation of the cultural heritage. Panoramic geometry will be realized by a CCD-line, which is precisely rotated around the projection centr...
Background: Diagnostic imaging has been of recent and unique importance in substantiating the clinically suspected existence of the midface fracture and it is essential to be aware of the various procedures available to help initially in establishing an accurate diagnosis. The aim of the study is to evaluate the diagnostic accuracy of panoramic maxillary sinus projection according to computed t...
Panoramic cameras have become popular because they provide impressive and immerse experience of the scene and allow several interesting applications. Among the large variation of panoramic camera systems, we have focused on concentric panoramic imaging with a frame camera. In order to establish the concentric image acquisition, the camera mount must be calibrated so that the projection centre o...
This paper discusses ways of using a single panoramic image (captured by a rotating sensor-line camera having very-high spatial resolution) for the geometric shape recovery of a shown object. The objective is to create a sparse polyhedral model, only allowing a few interactive user inputs for a given single panoramic image. The study was motivated by the general question whether a single panora...
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