【摘要】：集成成像具有裸眼觀看、無立體觀看視疲勞、全真再現(xiàn)等優(yōu)點,是目前主流的一種裸眼3D顯示技術。在集成成像3D顯示器研制過程中,由于微圖像陣列尺寸不等于顯示器像素的整數(shù)倍,將產生微圖像陣列尺寸的縮放,同時由于集成成像3D顯示器裝配誤差或微透鏡陣列制作工藝精度不夠等問題,將使得微圖像陣列相對于微透鏡陣列產生一定程度的平移。針對微圖像陣列尺寸縮放和平移對集成成像重建的3D圖像在圖像深度和3D觀看視角方面的影響問題,本文基于幾何光學原理,采用集成成像圖像重建技術和視角分析方法,分別分析微圖像陣列尺寸縮放和平移時重建3D圖像的深度及3D觀看視角的變化情況。通過計算機模擬再現(xiàn)實驗和實際的光學再現(xiàn)實驗對理論分析進行了驗證。模擬再現(xiàn)實驗結果表明,3D圖像深度隨著微圖像陣列尺寸的放大而減小,反之則增大;光學再現(xiàn)實驗結果表明,3D觀看視角隨著微圖像陣列尺寸的放大而增大,反之則減小,微圖像陣列平移對3D觀看視角產生了一定的平移,而對3D觀看視角大小的影響甚微。根據(jù)模擬再現(xiàn)實驗和光學再現(xiàn)實驗結果得出的結論,微圖像陣列縮放將引起3D圖像深度畸變和3D觀看視角的改變,而微圖像陣列平移對集成成像3D顯示的影響較小。該研究結果將為集成成像3D顯示器的研制和優(yōu)化起到實際的指導作用。
[Abstract]:Integrated imaging has the advantages of naked eye viewing, no stereoscopic visual fatigue, full true reproduction and so on, so it is a mainstream naked eye 3D display technology. In the process of developing integrated imaging 3D display, because the size of microimage array is not equal to the integer times of display pixel, the size of microimage array will be scaled. At the same time, due to the assembly error of 3D integrated imaging display or the insufficient fabrication precision of microlens array, the microimage array will have a certain degree of translation relative to the microlens array. Aiming at the influence of the size scaling and translation of the microimage array on the depth of the 3D image and the viewing angle of the 3D image, based on the principle of geometric optics, the integrated imaging image reconstruction technique and the method of angle analysis are adopted in this paper. The depth of the reconstructed 3D image and the change of the 3D viewing angle are analyzed respectively during the scaling and translation of the microimage array. The theoretical analysis is verified by computer simulation and optical reproduction experiments. The experimental results show that the depth of 3D image decreases with the magnification of the microimage array size, whereas the optical reproduction experiment results show that the 3D viewing angle increases with the magnification of the microimage array size, and vice versa. The translation of microimage array has a certain translation on 3D viewing angle, but has little effect on 3D viewing angle. According to the results of simulation and optical reproduction experiments, the depth distortion of 3D image and the change of 3D viewing angle will be caused by the scaling of microimage array, while the translation of microimage array has little effect on the 3D display of integrated imaging. The research results will play a practical role in the development and optimization of integrated imaging 3D display.
【作者單位】： 成都工業(yè)學院電子工程學院;四川大學電子信息學院;
【基金】：國家自然科學基金資助項目(61405129) 四川省科技支撐計劃資助項目(2015FZ0109)
【分類號】：TN27;TP391.41

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