منابع مشابه
Cast Shadow Illusions
Shadows are everywhere, but they usually go unnoticed. We do, however, use their consequences all the time. Figure 1A shows two pictures each with a green square in front of a checkerboard background. The two pictures differ only in the cast shadows of the square. Because of these differences, the right square appears to be further from the background than the left square. By adding motion to t...
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Moving shadow detection is an important topic in computer vision applications, including video conference, vehicle tracking, and three-dimensional (3-D) object identification, and has been actively investigated in recent years. Because, in real world scenes, moving cast shadows may be detected as foreground object and plauge the moving objects segmentation. For example, in traffic surveillance ...
متن کاملMoving Cast Shadow Detection
1 Overview Motion perception is an amazing innate ability of the creatures on the planet. This adroitness entails a functional advantage that enables species to compete better in the wild. The motion perception ability is usually employed at different levels, allowing from the simplest interaction with the 'physis' up to the most transcendental survival tasks. Among the five classical perceptio...
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Introduction: Cardiac myxoma is a benign and rare tumor, which can present with a grim phenomenon if the presentation is late or the diagnosis and surgery are delayed. The purpose of this study was to share our institutional experience of cardiac myxoma. Material and Methods: This retrospective study was conducted to evaluate patients undergoing procedures at a single tertiary care centre for t...
متن کاملAdaptive Moving Cast Shadow Detection
Moving object detection is an important task in real-time video surveillance. However, in real scenario, moving cast shadows associated with moving objects may also be detected, making moving cast shadow detection a challenge for video surveillance. In this paper, we propose an adaptive shadow detection method based on the cast shadow model. The method combines ratio edge and ratio brightness, ...
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ژورنال
عنوان ژورنال: Annals of Cardiac Anaesthesia
سال: 2015
ISSN: 0971-9784
DOI: 10.4103/0971-9784.154499