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For augmented reality (AR), computer-generated virtual objects are overlapped on the image of a real world. Since a disturbing real object (e.g, a moving human) on the display of an AR device reduces the immersion to AR experiences, the virtual objects need to be augmented after eliminating the disturbing object. From this motivation, this paper presents mediated reality (MR) photography, where the...
Given an image containing an object of interest, the object can be detected by comparing the feature points in the given image with those in a reference object image. In a case where the given image contains a large number of similar objects, the object of interest is difficult to be detected. It is because the feature points in the given image are concentrated in some regions where each region has...
A mobile augmented reality (AR) game application was developed based on simultaneous localization and mapping (SLAM). The SLAM-based AR game requires to estimate the pose from the camera input image in real time. Before running the game, point cloud data for a real-world game space is built. While the game is running, the camera pose is estimated by matching the prebuilt point cloud data and camera...
A Smart-Eye platform is a technology that detects disasters (e.g., forest fire, flood) and responds them quickly. In the Smart-Eye, an unmanned aerial vehicle (UAV) is used to monitor the disasters in real time, where the UAV is equipped with a camera and multiple sensors, since it can go into hazards (i.e., unsafe areas to humans) cost-effectively. However, since the UAV has flight time of 10~25...
A mobile device performs localization and mapping processes for an augmented reality (AR) application. In an outdoor envi-ronment, the mobile device requires more computing power to compute a camera's location and pose in real-time, to construct a 3D point cloud, and to render virtual images. However, the resources (e.g., processor, memory) of the mobile device are limited. With advances in cloud...
A set-top box (STB) increases its energy efficiency with active standby and passive standby modes. Compared to the active standby mode, the passive standby mode saves more power by turning off more STB functions, but it results in longer activation latency. For an energyefficient STB, in this paper, power saving with the passive standby is studied. The STB operates the passive standby mode when it...
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