本文選題：空間視角轉(zhuǎn)換　切入點(diǎn)：虛擬人場景任務(wù)　出處：《浙江理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：空間視角轉(zhuǎn)換是指在空間中采用他人的視角判斷物體的空間關(guān)系,即觀察者根據(jù)當(dāng)前視角已經(jīng)觀察到的信息,想象從另一個(gè)角度判斷目標(biāo)物體相對于虛擬人的位置或物體與物體之間的位置關(guān)系。本研究嘗試從物體與物體間位置關(guān)系的角度探討空間視角轉(zhuǎn)換的認(rèn)知特點(diǎn),有助于豐富人類空間視角轉(zhuǎn)換知覺規(guī)律的研究,研究得出的知覺特點(diǎn)有利于協(xié)同任務(wù)作業(yè)、物體遙操作等復(fù)雜界面的設(shè)計(jì),提高操作者在此類界面中的操作效率。本研究將物體間的構(gòu)型分為三種:少量(2個(gè))物體構(gòu)成的規(guī)則構(gòu)型、多個(gè)(4個(gè))物體構(gòu)成的規(guī)則構(gòu)型和多個(gè)(4個(gè))物體構(gòu)成的不規(guī)則構(gòu)型,并設(shè)計(jì)了三個(gè)對應(yīng)的實(shí)驗(yàn)分別探討這三種構(gòu)型下物體之間位置關(guān)系判斷的視角轉(zhuǎn)換認(rèn)知規(guī)律。研究方法均為基于虛擬人場景的空間視角轉(zhuǎn)換任務(wù),被試需要想象在虛擬人的角度觀察,然后判斷目標(biāo)物相對于其他物體的具體位置(具體到“左前”、“右后”),從而探討不同的想象角度、物體數(shù)量和物體構(gòu)型對觀察者視角轉(zhuǎn)換績效的影響。實(shí)驗(yàn)結(jié)果得出:(1)被試在2個(gè)物體規(guī)則構(gòu)型、4個(gè)物體規(guī)則構(gòu)型和4個(gè)物體不規(guī)則構(gòu)型三種構(gòu)型條件下的位置判斷績效隨角度增加均沒有出現(xiàn)逐步上升或者逐步下降的趨勢。在視角轉(zhuǎn)換條件下,相對于0度視角,在想象的虛假視角位置上,被試對物體之間位置關(guān)系的判斷績效有明顯的下降,而且想象位置的視角不同,被試的判斷績效有明顯的不同。(2)被試在三種構(gòu)型條件下的視角轉(zhuǎn)換績效均存在正斜差異,正視角條件下被試的判斷績效好于斜視角。(3)規(guī)則構(gòu)型下,物體數(shù)量增多時(shí),被試的位置關(guān)系判斷時(shí)間變慢,但在斜視角的判斷正確率明顯提升。(4)4個(gè)物體條件下,物體構(gòu)型由規(guī)則變?yōu)椴灰?guī)則時(shí),被試反應(yīng)時(shí)變快,正視角正確率上升,即不規(guī)則的構(gòu)型下被試的視角轉(zhuǎn)換績效更好。
[Abstract]:The conversion of spatial perspective refers to the use of the perspective of others in space to judge the spatial relationship of objects, that is, the information already observed by the observer according to the current perspective. Imagination judges the position of the target object relative to the virtual human or the position relationship between the object and the object from another angle. This study attempts to explore the cognitive characteristics of the spatial perspective transformation from the perspective of the position relationship between the object and the object. It is helpful to enrich the research on the perceptual law of human spatial perspective transformation. The characteristics of perception obtained from the study are conducive to the design of complex interfaces such as cooperative task operations, object teleoperation, and so on. In this study, the configuration of objects is divided into three types: a small number of (2) objects composed of regular configuration, A regular configuration of multiple (4) objects and an irregular configuration of multiple (4) objects, Three corresponding experiments are designed to explore the cognitive law of visual angle conversion in the judgment of position relationship between objects under these three configurations. The research methods are based on the virtual human scene of spatial angle of view conversion task. The subjects were asked to visualize the specific position of the object in relation to other objects ("left front", "right posterior"), and then to explore the different angles of imagination. The effect of the number of objects and the configuration of objects on the performance of the observer's angle of view conversion. The experimental results show that the positions of the subjects are determined under the conditions of two regular configurations of objects, four regular configurations of objects and three configurations of irregular configurations of objects. With the increase of angle, there is no trend of gradual increase or decline of performance. Under the condition of changing angle of view, Compared with the zero angle of view, the subjects' performance in judging the position relationship between the objects was obviously decreased, and the visual angle of the imaginary position was different from that of the imaginary position. There were significant differences in the judgment performance of the subjects under the three configuration conditions. The results showed that the performance of the subjects under the positive angle of view was better than that under the regular configuration of the oblique angle. When the number of objects increased, there were significant differences in the number of objects in the three configurations. When the object configuration changed from regular to irregular, when the object configuration changed from regular to irregular, the reaction time changed quickly, and the correct rate of positive angle increased, but the accuracy rate of squint angle increased significantly when the judgment time of the position relation of the subjects became slower, and the correct rate of the positive angle of view increased when the object configuration changed from regular to irregular. That is to say, the performance of angle of view conversion is better under irregular configuration.
【學(xué)位授予單位】：浙江理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：B842

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