红外与激光工程
紅外與激光工程
홍외여격광공정
INFRARED AND LASER ENGINEERING
2014年
z1期
231-237
,共7页
立体视觉%视觉舒适度%舒适融合限%随机点立体图
立體視覺%視覺舒適度%舒適融閤限%隨機點立體圖
입체시각%시각서괄도%서괄융합한%수궤점입체도
stereo vision%visual comfort%comfortable fusion limits%random dot stereograms
针对导致立体显示中视觉舒适度问题的关键———立体视觉舒适融像问题,利用随机点立体图像(Random dot stereograms,RDS),对影响立体视觉舒适融像的因素进行了研究。通过改变RDS隐藏图形的大小,随机点的密度,随机点的大小和隐藏图形的形状,利用主观行为实验,分析这些因素对于立体视觉舒适融合限(Comfortable fusion limits,CFL)的影响,并提出关于CFL与这些因素的预测模型。实验结果表明,这些因素在交叉视差和非交叉视差情况下,对于立体视觉CFL的影响不同:非交叉视差下,被试者能够承受更大的隐藏图形,并且对于隐藏图形形状的CFL的感知与交叉视差相反;对由预测模型计算得出的CFL的预测值和实测值进行相关性检测,在交叉视差下,相关系数为0.998,非交叉视差下相关系数为0.977,可以认为该预测模型能够较为准确地预测CFL。
針對導緻立體顯示中視覺舒適度問題的關鍵———立體視覺舒適融像問題,利用隨機點立體圖像(Random dot stereograms,RDS),對影響立體視覺舒適融像的因素進行瞭研究。通過改變RDS隱藏圖形的大小,隨機點的密度,隨機點的大小和隱藏圖形的形狀,利用主觀行為實驗,分析這些因素對于立體視覺舒適融閤限(Comfortable fusion limits,CFL)的影響,併提齣關于CFL與這些因素的預測模型。實驗結果錶明,這些因素在交扠視差和非交扠視差情況下,對于立體視覺CFL的影響不同:非交扠視差下,被試者能夠承受更大的隱藏圖形,併且對于隱藏圖形形狀的CFL的感知與交扠視差相反;對由預測模型計算得齣的CFL的預測值和實測值進行相關性檢測,在交扠視差下,相關繫數為0.998,非交扠視差下相關繫數為0.977,可以認為該預測模型能夠較為準確地預測CFL。
침대도치입체현시중시각서괄도문제적관건———입체시각서괄융상문제,이용수궤점입체도상(Random dot stereograms,RDS),대영향입체시각서괄융상적인소진행료연구。통과개변RDS은장도형적대소,수궤점적밀도,수궤점적대소화은장도형적형상,이용주관행위실험,분석저사인소대우입체시각서괄융합한(Comfortable fusion limits,CFL)적영향,병제출관우CFL여저사인소적예측모형。실험결과표명,저사인소재교차시차화비교차시차정황하,대우입체시각CFL적영향불동:비교차시차하,피시자능구승수경대적은장도형,병차대우은장도형형상적CFL적감지여교차시차상반;대유예측모형계산득출적CFL적예측치화실측치진행상관성검측,재교차시차하,상관계수위0.998,비교차시차하상관계수위0.977,가이인위해예측모형능구교위준학지예측CFL。
Random dot stereograms were used to study the factors of the key problem that existed in the visual comfort of stereo display and was caused by stereo vision comfortable fusion. Subjective behavior experiments were done to analysis the factors to affect CFL(Comfortable fusion limits) of stereo vision by changing the size and shape of a hidden graph, the dots density and dot size in random dot stereograms. Then a prediction model of these factors to CFL was put forward. The results showed that these factors had different influences on CFL under crossed disparity and uncrossed disparity. Under uncrossed disparity, the subjects can stand bigger size of hidden graph, and the perception of fusion limit for the shape is opposite to the perception under crossed disparity. Correlation detection was measured between the prediction values calculated by the prediction model and the measured values. The correlation coefficient achieved 0.998 and 0.977, respectively, under crossed disparity and uncrossed disparity, which indicated that the prediction model could more accurately predict the CFL.