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Time-of-Flight (ToF) cameras are easily accessible in this era. They capture real distances of objects in a controlled environment. Yet, the ToF image may include disconnected boundaries between objects. In addition, certain objects are not capable of reflecting the infrared ray such as black hair. Such problems are caused by the physics of ToF. This paper proposes a method to compensate such errors...
A key issue for compressed Sensing (CS) is to design the measurement matrix. However, the traditional measurement matrix is not optimal due to its non-adaptability without showing discrimination to different components. In this paper, a prior information directed stage-wise measurement matrix is proposed for block compressed image sensing, leading to a st-BCS method. In the first stage, the measurement...
Emotions of a person affect the person's performance in a task and so do emotions of a rescue dog that works after disasters. Hence, estimating emotions of a rescue dog by the handler can improve its performance and welfare. Emotions also appear in physiological signals such as heart rate variability (HRV). In fact, HRV has information of emotions in both cases of human and dogs. To make emotion estimation...
A light field camera records information of light (light field) in three dimensional space. It can also generate multi-view images by processing the light field. Distributed compressed video sensing is a technique composed by a distributed video coding and a compressed sensing. This study examines a distributed compressed video sensing that focuses on correlation between the multi-view images and...
Indoor acoustic scene change detection systems using periodic impulse signals were developed in the past. Comparing with impulse signals, the chirp signal is more robust against environmental noise due to its specific spectro-temporal structure, which can be easily detected using a spectro-temporal modulation filtering mechanism. In this paper, we demonstrate a system which employs the two-dimensional...
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