錯視圖像之視覺敏感度研究

本研究是以錯視（Illusions）原理中的「多義圖像」（Ambigous Figure）（又稱曖昧圖像）為研究主題，藉著錯視原理中較著名的十二幅圖像，進行問卷調查及分析討論，以圖像中的色彩和形狀做為依據。將研究分為三階段：第一階段是視覺對圖與地之轉換關係，對錯視圖像之黑色與白色互換反轉後的視覺敏感度影響作探討；第二階段以黑白錯視圖像和彩色錯視象對視覺敏感度的影響程度做探討；第三階段則探討視覺對隱藏圖像量的敏感度。受試對象是針對十八歲以上在學人士以及社會人士，分為設計類群與非設計類群，探討其視覺敏銳度是否會因為受過設計的專業訓練而提升視覺的敏銳度程度，以放方檢定設計類群與非設計類群受試者之差異，以及圖像轉變前後之間的視覺差異情形。研究結果發現：1.以白色的圖像做為「圖」，當白色面積增加，很容易會將白色視為「地」。2.若「地」的部份有邊緣線封閉，經過黑白反轉之後，容易改變原來圖像的印象。3.設計族群的受試者對圖像的視認度，略高於非設計族群。4.適度改變原圖像的色彩，會有少許的引導作用，但是大部份的受試者對某些圖形仍有「既定的印象」。

In this paper, the ambiguous figures in Illusion Principle are studied. There are 12 famous figures of Illusion Principle are investigated and discussed. The Stud is divided into three stages according to colors and shapes of figures. In the first stage, the visual sensitivity on the transformation relationship between figure and ground is discussed. In the second stage, the influences of monochrome and color figures of illusions on visual sensitivity are discussed. In the third stage, the visual sensitivity on hidden figures is studies. The tested users are older than 18 years old and are divided into design group and non-design group. The Chi-Square method is used to check the difference of visual sensitivity between these two groups. There are four main conclusions made in this study. First, the white colors may be viewed as the ground when the figure’s color is white and its area is increased. Second, the memory for original figures change after reversion of black-white when there are closed margin lines in the ground. Third, the visibility for tested users with learning background of design is higher than that for tested users with learning background of non-design. Fourth, the change of figure color has some effects of guidance. However, most tested users still keep original memory.