Hybrid image of three contents  

作　　者：Peeraya Sripian Yasushi Yamaguchi 

机构地区：[1]SIT Research Laboratory,Shibaura Institute of Technology,Room#04R31,3-7-5 Toyosu,Koto-ku,Tokyo 135-8548,Japan [2]The University of Tokyo,Bldg.#15,Room#505A,3-8-1,Komaba,Meguro-ku,Tokyo 153-8902,Japan

出　　处：《Visual Computing for Industry,Biomedicine,and Art》2020年第1期31-38,共8页工医艺的可视计算（英文）

基　　金：supported by JSPS KAKENHI,No.JP19K20302.

摘　　要：A hybrid image allows multiple image interpretations to be modulated by the viewing distance.Originally,it can be constructed by combining the low and high spatial frequencies of two different images.The original hybrid image synthesis was limited to similar shapes of source images that were aligned in the edges,e.g.,faces with a different expression,to produce an effective double image interpretation.In our previous work,we proposed a noiseinserted method for synthesizing a hybrid image from dissimilar shape images or unaligned images.In this work,we propose a novel method for adding an image to be seen from a middle viewing distance.The middlefrequency(MF)image is extracted by a special bandpass filter,which generates ringing while extracting only specified frequency bands.With this method,the middle frequency should be perceived as a meaningless pattern when viewed from a far distance and close up.A parameter tuning experiment was performed to determine the suitable cutoff frequencies for designing the filter for the MF image.We found that ringings of a suitable size could be used to make the middle frequency less noticeable when seen from far away.

关 键 词：Hybrid image Contrast sensitivity Frequency filtering SCALE-SPACE 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]