This paper proposed an approach to quantify and identify the apparel silhouettes. Firstly, a proper region in human face is selected as feature region to make relationship between this region and the head height, and after the human face detection conducted with AdaBoost method, the head height is determined in relation to face featured region. Then, according to the human body proportion the apparelled body is divided into six blocks such as head, shoulder-chest, chest-waist, waist-hip, thign and crus, and the fact that the heights of blocks vary along with the body-head ratio is discussed and the formula for calculating block heights with body-head ratio advances. Finally, the width of each block is extracted from the image, and the formulas for the shape values and percentages of A, T, H, X and O styles are established, which makes the apparel silhouettes quantified. Test results display that this method can identify apparel silhouettes in an accurate way.
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