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Different applications in smartphones result in different power consumption patterns. The fact that every application has been coded to perform certain tasks leads to the claim that every action on-board (whether software or hardware) will consequently have a trace in the power consumption of the smartphone. However, similar power consumption patterns are observed for the same application irrespective...
Automatic facial expression analysis is an interesting and challenging problem which impacts important applications in many areas such as human-computer interaction and data-driven animation. Deriving effective facial representative features from face images is a vital step towards successful expression recognition. In this paper, we evaluate facial representation based on statistical local features...
Many fast algorithms have been developed to tackle the computational intensive motion estimation in a video encoder. In this paper, a binary pattern based edge (BPE) detection algorithm for motion estimation has been proposed. BPE captures the most representative pixels in a block in order of contribution to the distortion function by evaluating whether the individual pixels belong to the edge or...
High performance implementation of 2D digital filters are highly desired in many applications for real-time processing. In this paper, a multiprocessor realization of a 2D denominator separable digital filter is implemented in Altera Stratix III FPGA. The implementation achieves a data throughput equivalent to one multiplication and two additions, plus one clock cycle. It has been found that the maximum...
Real videos contain mixture of motions with slow and fast contents. No fixed fast block matching algorithm can efficiently remove temporal redundancy of video sequences with wide motion contents. In this paper, an adaptive fast block matching algorithm, called classification based adaptive search (CBAS) has been proposed. A Bayes classifier is applied to classify the motions into slow and fast categories...
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