Research on the influence and mechanism of brightness on the luster sensation of silk fabrics
The high-quality natural luster of silk fabrics is its essential feature that distinguishes them from other natural fiber fabrics,making them stand out among many fabrics.In the evaluation of visual style of clothing,luster can give fabrics different image perceptions.Words such as"noble","gorgeous","advanced"and"classical"often appear in describing glossy silk,while they are rare in describing cotton and linen fabrics of the same color.In addition to fiber properties,yarn structure and fabric organization,fabric color is also an important factor affecting fabric gloss.Existing studies have found that there is a good linear relationship between luster and brightness of fabrics,while the relationship between brightness and luster of fabrics has not been discussed in detail.Specifically,the luster index belongs to the physical properties of the fabric,and it can not directly represent the quality of the luster of the fabric.The luster sensation of fabric is an index that connects the visual aesthetic needs of consumers.After visual stimulation of people through the surface luster of fabric,people's brain can form feelings and cognition,which belongs to people's subjective perception and evaluation of the visual style of fabrics.To further explore the impact of brightness on the luster of silk fabrics and establish an evaluation system for the luster of silk fabrics,this paper explored the impact of brightness on the luster of silk fabrics based on eye tracking technology and subjective evaluation methods.With gaze time,number of gaze points,number of entry times and first entry time as indicators,the subjects'visual preference for the luster of silk fabrics with different brightness values was analyzed from the perspective of visual perception,and the evaluation indexes of pleasure,arousal,luster warmth,luster softness and luster brightness were analyzed from the perspective of emotional perception.The results show that the brightness attribute of silk fabrics has a significant influence on the attention degree of fabric.The fabric with too high or too low brightness has a low attention degree,while the fabric with medium brightness has the highest attention degree.The brightness attribute has a significant impact on the fabric emotion and the perception evaluation of luster.The gray fabric with medium brightness has the softest luster and makes people feel the most pleasant,comfortable and relaxed;the white fabric with high brightness has the brightest luster and makes people feel the most awake.There is little difference in luster warmth between fabrics with different brightness values.There is a significant correlation between the visual attention of silk fabrics and the perception of fabric emotion and luster.The higher the fabric pleasure score is,the higher the visual attention of silk fabrics will be.The higher the arousal rating of the fabric,the more likely the subjects are to be attracted to the fabric.In this paper,the influence of brightness on the luster of silk fabrics is studied from the two dimensions of visual perception and emotional perception,so as to provide reference for silk design and inject new vitality into the development of the silk market.