نتایج جستجو برای: feature coding
تعداد نتایج: 355351 فیلتر نتایج به سال:
The ever-increasing popularity of intelligent image search and video retrieval warrants a comprehensive study of the major feature representation and extraction methods often applied in image search and video retrieval. Towards that end, this chapter reviews some representative feature representation and extraction approaches, such as the Spatial Pyramid Matching (SPM), the soft assignment codi...
Deep learning has achieved substantial success in a series of tasks in computer vision. Intelligent video analysis, which can be broadly applied to video surveillance in various smart city applications, can also be driven by such powerful deep learning engines. To practically facilitate deep neural network models in the large-scale video analysis, there are still unprecedented challenges for th...
Although documents have hundreds of thousands of unique words, only a small number of words are significantly useful for text analysis. Thus, feature selection has become an important issue to be addressed in various text analysis studies. A number of techniques and algorithms for feature selection are available, but unfortunately, it is hard to say that a certain algorithm overcomes the others...
Spatio-temporal feature encoding is essential for encoding facial expression dynamics in video sequences. At test time, most spatio-temporal encoding methods assume that a temporally segmented sequence is fed to a learned model, which could require the prediction to wait until the full sequence is available to an auxiliary task that performs the temporal segmentation. This causes a delay in pre...
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