نتایج جستجو برای: stereo defect distribution
تعداد نتایج: 715752 فیلتر نتایج به سال:
OF THESIS 3D RECONSTRUCTION FROM STEREO/RANGE IMAGES. 3D reconstruction from stereo/range image is one of the most fundamental and extensively researched topics in computer vision. Stereo research has recently experienced somewhat of a new era, as a result of publically available performance testing such as the Middlebury data set, which has allowed researchers to compare their algorithms again...
The paper deals with digitizing the 3-D shape of a trunk from a sequence of image pairs when a harvester is approaching the tree. The stereo correspondence problem is solved hierarchically using natural features, image correlation, and epipolar constraints. False matches are removed by analyzing the distribution of reconstructed 3-D points and applying a novel similarity criterion. Two methods ...
A micro-prism film, with spectral characteristics, is attached on a display panel to show images appearing with + 10° ~ + 50° and -10° ~-50° bright regions and with a + 10° ~-10° dark region. When both eyes separately receive the bright region and the dark region of an image, interocular delay would appear to generate a stereo perception. With the optical simulation software, LightTools 7.3.0, ...
The object reconstruction from synthesized and noisy photothermal signals was carried out by deconvoluting contrast scans by means of photothermal point spread function. The unknown defect depth parameter was estimated by minimizing the "imaginary content" of the deconvoluted real valued defect distribution. The algorithm shows remarkable accuracy even in the presence of 10%-noise in finding th...
We explore the feasibility of reconstructing some 3D surface information of the human fundus present in a sequence of fluorescein angiograms. The angiograms are taken during the same examination with an uncalibrated camera. The camera is still and we assume that the natural head/eye micro movement is large enough to create the necessary view change for the stereo effect. We test different appro...
Stereo sound reproduction relies upon the creation of an illusion. Ideally the two loudspeakers and the room disappear, leaving only a phantom acoustic scene to be listened to. The polar frequency response of a loudspeaker determines the angular distribution of room reflections and their spectral content. The placement of the loudspeakers relative to the room surfaces determines the initial del...
This paper presents a method for robustly tracking and estimating the face pose of a person using stereo vision. The method is invariant to identity and does not require previous training. A face model is automatically initialised and constructed on-line: a fixed point distribution is superposed over the face when it is frontal to the cameras, and several appropriate points close to those locat...
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