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Many existing scene parsing methods adopt Convolutional Neural Networks with fixed-size receptive fields, which frequently result in inconsistent predictions of large objects and invisibility of small objects. To tackle this issue, we propose a scale-adaptive convolution to acquire flexiblesize receptive fields during scene parsing. Through adding a new scale regression layer, we can dynamically infer...
In this paper we bring forth a novel stroke-based method which is simple and effective to detect texts in natural scenes. We first introduce a general mathematical model to describe character strokes from the perspective of the scale space along with difference of Gaussian filters. Then we detail a text line aggregation approach utilizing the inherent text layout. Afterwards, we set up the whole scheme...
In computer vision and multimedia search, it is common to use multiple features from different views to represent an object. For example, to well characterize a natural scene image, it is essential to find a set of visual features to represent its color, texture, and shape information and encode each feature into a vector. Therefore, we have a set of vectors in different spaces to represent the image...
Action recognition has attracted much attention for human behavior analysis in recent years. Local spatial-temporal (ST) features are widely adopted in many works. However, most existing works which represent action video by histogram of ST words fail to have a deep insight into a fine structure of actions because of the local nature of these features. In this paper, we propose a novel method to simultaneously...
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