【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(diǎn),是目前主流的一種裸眼3D顯示技術(shù)。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(chǎn)生微圖像陣列尺寸的縮放,同時(shí)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(duì)于微透鏡陣列產(chǎn)生一定程度的平移。針對(duì)微圖像陣列尺寸縮放和平移對(duì)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(xué)原理,采用集成成像圖像重建技術(shù)和視角分析方法,分別分析微圖像陣列尺寸縮放和平移時(shí)重建3D圖像的深度及3D觀看視角的變化情況。通過計(jì)算機(jī)模擬再現(xiàn)實(shí)驗(yàn)和實(shí)際的光學(xué)再現(xiàn)實(shí)驗(yàn)對(duì)理論分析進(jìn)行了驗(yàn)證。模擬再現(xiàn)實(shí)驗(yàn)結(jié)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(xué)再現(xiàn)實(shí)驗(yàn)結(jié)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(duì)3D觀看視角產(chǎn)生了一定的平移,而對(duì)3D觀看視角大小的影響甚微。根據(jù)模擬再現(xiàn)實(shí)驗(yàn)和光學(xué)再現(xiàn)實(shí)驗(yàn)結(jié)果得出的結(jié)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(duì)集成成像3D顯示的影響較小。該研究結(jié)果將為集成成像3D顯示器的研制和優(yōu)化起到實(shí)際的指導(dǎo)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(xué)院電子工程學(xué)院;四川大學(xué)電子信息學(xué)院;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(61405129) 四川省科技支撐計(jì)劃資助項(xiàng)目(2015FZ0109)
【分類號(hào)】：TN27;TP391.41

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