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- W2161889058 abstract "The Images and video are currently predominantly handled in compressed form. Block-based compression standards are by far the most widespread. It is thus important to devise information processing methods operating directly in compressed domain. In this paper we investigate this possibility on the example of simple facial feature extraction method based on the H.264 AC Transformed blocks. According to our experiments, most horizontal information of face images is mainly distributed over some key features. After applying block transform and quantization to the face images, such significant information become compact and obvious. Therefore, by evaluating the energy of the specific coefficients which are representing the horizontal information, we can locate the key features on the face. The approach is tested on FERET database of face images and good results is provided despite its simplicity." @default.
- W2161889058 created "2016-06-24" @default.
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- W2161889058 date "2005-01-01" @default.
- W2161889058 modified "2023-09-23" @default.
- W2161889058 title "Facial Features Detection by Coefficient Distribution Map" @default.
- W2161889058 cites W1566164946 @default.
- W2161889058 doi "https://doi.org/10.1007/11556121_101" @default.
- W2161889058 hasPublicationYear "2005" @default.
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