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In this paper, we present a children's posture analysis system using the Kinect while they are performing the yoga poses with the Nao robot. We collected posture data from eighteen children who were kindergaten kids and their posture accuracy was annotated by an expert into four different levels. For a feature extraction, we apply a method of an angular skeleton representation in every frame and those...
In recent years, many studies have shown that horse riding exercises have positive effects on promoting both physical and psychological health. To maximize the effects, the correct posture is essential when riding a horse. Therefore, the purpose of this study is to present an algorithm for estimating a human pose from depth data while riding a horse simulator. This estimated information can be used...
The ubiquitous computing environment has been realized with the proliferation of wireless communication technologies, which has improved our lives in many ways. A mobile ecosystem is a representative example. We are using various services with a smartphone based on the well-organized wireless network. However, the development of the smartphone environment has brought some issues about security problems...
The Photoplethymography(PPG) is generally measured on a finger or an ear using contact sensors. The recent several studies using non-contact sensor such as CCD camera and web-cam to measure PPG have been introduced. However the motion artifact issue is also emerging in non-contact camera sensing similar to contact-type one because it is sensitive to artifacts generated by subject's head and body motion...
In this paper, we propose a number recognition method to quickly and accurately get bus route information for the visually-impaired from natural scenes. We take a boosting approach based on Modified Census Transform (MCT) features, applied with success to number detection. Then, a gradient-based feature extraction algorithm is used to recognize the route number from detected samples. Finally, the...
Automatic facial expression recognition is an important technique for interaction between humans and machines such as robots or computers. In particular, pose invariant facial expression recognition is needed in an automatic facial expression system because frontal faces are not always visible in real situations. The present paper introduces a multi-view method for recognizing facial expressions using...
We propose a user pose verification technique using depth information to compare their pose with expert riders. Xtion sensor by Asus is used for gathering a depth data in real world. The user pose verification algorithm is divided into two categories: user segmentation and user pose verification. In user segmentation step, body parts are segmented based on the region growing algorithm from a head...
Facial expression recognition is one of the useful human-robot interaction technologies. This is also applicable to the project which is what field the children is interested in and how much it is. In this work-in-progress paper, we introduce the problem we have to cope with and what idea to be used in this project.
Human activity recognition is widely researched in the various filed these days. For the aged care, the one of the most important activities of old people is fall, since it causes often serious physical and psychological results. Many researchers have studied human activity recognition techniques in various domains; however none released to a commercial product satisfying the old people requirements,...
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