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This paper describes the development of a ubiquitous information system named "dokodemo-display" system. It is a display-centric communication system, which is portable, interactive, and collaborative. The objective of "dokodemo-display" system is to increase the value of a place with helping to form local communities at that place. It provides information(More)
This paper presents a method that jointly performs synthesis of free-viewpoint images and object segmentation from that viewpoint. This method works efficiently and online by sharing a certain calculation process among rendering and segmentation steps. Since the segmentation is performed for arbitrary viewpoints directly, the extracted object can be(More)
In this paper, we consider the rate-distortion performance of a multi- view image set with subsampling of the viewpoints. As a basic analysis, we compare two scenarios: (i) all images would be coded and transmitted in even quality, and (ii) a half of the images would be discarded by subsampling at the sender side, and the remaining half would be coded and(More)
In this paper, we propose a novel scheme for domain adaptation in which feature transform and instance weights are jointly optimized. Due to the joint optimization, we can obtain feasible feature transform for domain adaptation while we jointly eliminate source samples which are unrelated to target samples by estimating those weights. By introducing(More)
Free-viewpoint image synthesis (FVIS) refers to the process of generating novel viewpoint images from a set of multi-view images. Most of the conventional FVIS methods were based on image blending, so that they are subject to a fundamental limitation in resolution: the output resolution is lower than or at most equal to that of the input images. A(More)