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Micro-expressions are facial expressions which are fleeting and reveal genuine emotions that people try to conceal. These are important clues for detecting lies and dangerous behaviors and therefore have potential applications in various fields such as the clinical field and national security. However, recognition through the naked eye is very difficult. Therefore, researchers in the field of computer...
With the goal of avoiding obstacles on the road using only a single camera during autonomous driving, we propose an example-based clear path detection method that also considers the additional perspective cue from the estimated vanishing point. First, because of the benefit that the vanishing point provides knowledge for clear path detection, we apply an example-based method to estimate initial vanishing...
In this paper, we describe a prior-based vanishing point estimation method through global perspective structure matching (GPSM). In contrast to the traditional approaches which require an undistorted image with straight roads for vanishing point estimation, our method first infers vanishing point candidates of an input image from an image database with pre-labeled vanishing points. An image-based...
In emotional speech synthesis, a large speech database is required for high-quality speech output. Voice conversion needs only a compact-sized speech database for each emotion. This study designs and accumulates a set of phonetically balanced small- sized emotional parallel speech databases to construct conversion functions. The Gaussian mixture bigram model (GMBM) is adopted as the conversion function...
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