The visual perception of wetness: The role of stain chroma, size, and hue

IF 1.6 3区 农林科学 Q3 FOOD SCIENCE & TECHNOLOGY
Charlotte Merrick, Rodrigo Rosati, Davide Filingeri
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引用次数: 0

Abstract

A range of sensory cues contribute to human wetness perception, yet we know little of how visual modalities are involved, specifically if in-situ physical observations differ from ex-situ online observations. We aimed to assess the effect of stain volume, chroma, size, and hue on the wetness perception of static images, with a comparison to previously collected in-situ data. A total of 440 participants completed the online study, including 18 from an analogous in-situ study. Stimuli varied in physical wetness (0, 2.16 × 10−4 or 3.45 × 10−4 mL mm−2), stain chroma (clear saline, light synthetic urine, dark synthetic urine) and stain size (1150 or 5000 mm2). Further stimuli of a fixed wetness (3.45 × 10−4 mL mm−2) varied in stain hue (red, orange, yellow, green, blue, violet) and stain size (1150 or 5000 mm2). Participants rated wetness perception using a visual analogue scale (very dry to very wet) and modified yes/no task (dry/wet, gloss/matte, dilute/concentrate). Participants successfully discriminated between all physical wetness levels. Wetness perception shared a positive relationship with stain chroma and size, and varied with hue such that higher wavelengths resulted in greater wetness perception. Finally, online and in-situ wetness perception did not significantly differ.

Practical Applications

The findings fundamentally contribute to our scientific understanding of wetness perception, giving evidence toward different multisensory integration theories. Further applications lie in industry, such as improving the structure, function, and perception of absorbent hygiene products or informing the design of sportswear with moisture management properties. Additionally, findings may aid the improvement of digital software which uses visual wetness components, for example in augmented and virtual realities.

Abstract Image

湿润的视觉感知:污渍色度、大小和色调的作用
一系列感官线索都有助于人类的湿润感知,但我们对视觉模式是如何参与其中,特别是原位物理观察与原位在线观察是否存在差异知之甚少。我们的目的是评估污渍体积、色度、大小和色调对静态图像湿度感知的影响,并与之前收集的现场数据进行比较。共有 440 名参与者完成了在线研究,其中 18 人来自类似的现场研究。刺激物的物理湿度(0、2.16 × 10-4 或 3.45 × 10-4 mL mm-2)、污渍色度(透明生理盐水、浅色合成尿液、深色合成尿液)和污渍大小(1150 或 5000 平方毫米)各不相同。湿度固定(3.45 × 10-4 mL mm-2)的其他刺激物在染色色调(红色、橙色、黄色、绿色、蓝色、紫色)和染色面积(1150 或 5000 平方毫米)上各不相同。受试者使用视觉模拟量表(非常干到非常湿)和修正的 "是/否 "任务(干/湿、光泽/哑光、稀释/浓缩)对湿润感进行评分。参与者成功地区分了所有物理湿度等级。湿度感知与污渍色度和大小呈正相关,并随色调而变化,波长越高,湿度感知越强。最后,在线湿度感知和现场湿度感知没有明显差异。 实际应用 这些发现从根本上促进了我们对湿度感知的科学理解,为不同的多感觉统合理论提供了证据。研究结果还可进一步应用于工业领域,如改善吸水性卫生产品的结构、功能和感知,或为具有湿度管理特性的运动服装设计提供参考。此外,研究结果还有助于改进使用视觉湿度组件的数字软件,例如增强现实和虚拟现实软件。
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来源期刊
Journal of Sensory Studies
Journal of Sensory Studies 工程技术-食品科技
CiteScore
3.80
自引率
20.00%
发文量
71
审稿时长
18-36 weeks
期刊介绍: The Journal of Sensory Studies publishes original research and review articles, as well as expository and tutorial papers focusing on observational and experimental studies that lead to development and application of sensory and consumer (including behavior) methods to products such as food and beverage, medical, agricultural, biological, pharmaceutical, cosmetics, or other materials; information such as marketing and consumer information; or improvement of services based on sensory methods. All papers should show some advancement of sensory science in terms of methods. The journal does NOT publish papers that focus primarily on the application of standard sensory techniques to experimental variations in products unless the authors can show a unique application of sensory in an unusual way or in a new product category where sensory methods usually have not been applied.
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