柱鏡光柵式自由立體顯示技術(shù)研究
本文選題:立體顯示 + 參數(shù)測(cè)量 ; 參考:《浙江大學(xué)》2015年碩士論文
【摘要】:立體顯示技術(shù)突破了傳統(tǒng)顯示技術(shù)的限制,在顯示中加入了深度信息。立體顯示技術(shù)能帶給觀眾逼真的視覺(jué)體驗(yàn),因而成為了新一代顯示技術(shù)的研究熱點(diǎn)。自由立體顯示技術(shù)能夠讓觀眾在不佩戴輔助設(shè)備的情況下從多角度觀看立體畫(huà)面,清晰度高,深度感好,受到了觀眾的好評(píng)。同時(shí),其成本低廉,因此在市場(chǎng)上有著良好的發(fā)展前景。 本文在實(shí)驗(yàn)室現(xiàn)有的立體顯示系統(tǒng)平臺(tái)上,重點(diǎn)研究了基于平板顯示器的光柵式自由立體顯示合成算法,取得的創(chuàng)新性成果包括: 1)在原有的基于黑白圖像測(cè)量光柵參數(shù)方法的基礎(chǔ)上,提出了用迭代法測(cè)量光柵參數(shù)的改進(jìn)方法,提高了測(cè)量的精度。參數(shù)精度的提高,有助于提高立體圖像的質(zhì)量,優(yōu)化顯示效果。 2)在原有的立體圖像合成方案基礎(chǔ)上,通過(guò)理論推導(dǎo),提出了一種處理分?jǐn)?shù)子視點(diǎn)的方法,從而優(yōu)化了合成圖像的效果。結(jié)合現(xiàn)有的超多視點(diǎn)合成方案及實(shí)驗(yàn)室的工程基礎(chǔ),實(shí)現(xiàn)了完整的2路轉(zhuǎn)8路,8路轉(zhuǎn)28的超多視點(diǎn)合成方案,具有良好的顯示效果。 3)針對(duì)立體顯示中出現(xiàn)的串?dāng)_現(xiàn)象,本文在總結(jié)現(xiàn)有的降低圖像串?dāng)_方案的基礎(chǔ)上,說(shuō)明了矩陣濾波方案的優(yōu)點(diǎn),并優(yōu)化了當(dāng)前的矩陣濾波方案。改進(jìn)后的方案既克服了傳統(tǒng)方案調(diào)節(jié)粗糙的缺點(diǎn),同時(shí)也避免了現(xiàn)有方案在調(diào)整后的圖像色彩上與原始圖像出現(xiàn)較大偏差的缺點(diǎn),實(shí)驗(yàn)證明該方案有助于提高圖像質(zhì)量。
[Abstract]:Stereoscopic display technology breaks through the limitation of traditional display technology and adds depth information to display. Stereoscopic display technology can bring realistic visual experience to the audience, so it has become the research hotspot of the new generation of display technology. Auto-stereoscopic display technology enables viewers to view stereoscopic images from multiple angles without wearing auxiliary devices, with high clarity and good depth, which is well received by the audience. At the same time, its cost is low, therefore has a good development prospect in the market. In this paper, the grating free stereoscopic display synthesis algorithm based on flat panel display is studied on the platform of the existing stereoscopic display system in laboratory. The innovative results are as follows: 1) based on the original method of measuring grating parameters based on black and white images, an improved method of measuring grating parameters by iterative method is proposed, which improves the precision of measurement. The improvement of parameter precision is helpful to improve the quality of stereo image and optimize the display effect. 2) on the basis of the original stereo image synthesis scheme, a method to deal with the fractional sub-viewpoint is proposed through theoretical derivation, thus the effect of the synthesized image is optimized. Combined with the existing super-multi-view synthesis scheme and the engineering foundation of the laboratory, a complete super-multi-view synthesis scheme with two paths to eight paths and eight paths to 28 is realized, which has a good display effect. 3) aiming at the crosstalk phenomenon in stereoscopic display, this paper summarizes the existing image crosstalk reduction schemes, explains the advantages of the matrix filtering scheme, and optimizes the current matrix filtering scheme. The improved scheme not only overcomes the shortcomings of the traditional scheme to adjust the roughness, but also avoids the shortcoming that the existing scheme has a big deviation from the original image in color adjustment. The experiment shows that the scheme is helpful to improve the image quality.
【學(xué)位授予單位】:浙江大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:TN27
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