基于去模糊和自適應邊界HSV局部調(diào)整的紋理映射技術研究
發(fā)布時間：2019-02-18 16:47
【摘要】：文物數(shù)字化是計算機視覺在文化傳承領域中非常重要的研究方向,其中三維重建和紋理映射是被應用得很廣泛的技術,本文以實際應用場景為背景,針對當前紋理映射中存在的提升空間,提出了改善的方法,為文物數(shù)字化的發(fā)展提供更強有力的技術支持。本文首先對課題背景和現(xiàn)有技術進行了簡要介紹;然后介紹了三維重建技術、紋理的表達模型、紋理的顯示模型、紋理映射的發(fā)展情況;接下來闡述了單幅圖像深度圖重建方法、圖像去模糊原理,并提出了一種利用多圖像重建模型、原始圖像和圖像對應相機參數(shù)矩陣求解圖像對應深度圖,聯(lián)合SML算子對圖像進行分塊的高斯反卷積實現(xiàn)全局去模糊的方法;論述了泊松方程的原理、RGB和HSV顏色模型,并提出了一種根據(jù)紋理塊本身來自適應調(diào)整邊界條帶的寬度進行HSV顏色空間下V通道的泊松方程求解方法:最后介紹了應用本文所提的兩種方法的紋理映射系統(tǒng)。從重建模型求解得到的深度圖比一般方法得到的都要更加精準,去模糊的圖像為最后的紋理映射帶來了更好的結果,本文提出的修改過的局部顏色調(diào)整策略也對紋理映射的結果起到了正面作用。利用這一系統(tǒng)能讓文物數(shù)字化的進程更加順利。
[Abstract]:The digitization of cultural relics is a very important research direction of computer vision in the field of cultural inheritance, in which the three-dimensional reconstruction and texture mapping are widely used. In this paper, based on the actual application scene, this paper aims at the lifting space existing in the current texture mapping. The improved method is put forward to provide more powerful technical support for the digital development of the cultural relics. In this paper, the background of the subject and the existing technology are briefly introduced, then the three-dimensional reconstruction technique, the expression model of the texture, the display model of the texture and the development of the texture mapping are introduced. The reconstruction method of the single-image depth map and the principle of image de-blurring are described. and a method for realizing global deblurring by using a multi-image reconstruction model, an original image and an image corresponding camera parameter matrix to solve an image corresponding depth map and a joint SML operator to block an image are provided, and the principle, the RGB and the HSV color model of the Poisson equation are discussed, In this paper, a method for solving the Poisson equation of V-channel in HSV color space is presented based on the width of the texture block itself. The depth map obtained from the reconstruction model is more accurate than the general method, and the deblurred image brings better results for the final texture mapping. The modified local color adjustment strategy proposed in this paper also has a positive effect on the result of the texture mapping. With this system, the digital process of the cultural relics can be made more smooth.
【學位授予單位】：浙江大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP391.41
本文編號：2426034
[Abstract]:The digitization of cultural relics is a very important research direction of computer vision in the field of cultural inheritance, in which the three-dimensional reconstruction and texture mapping are widely used. In this paper, based on the actual application scene, this paper aims at the lifting space existing in the current texture mapping. The improved method is put forward to provide more powerful technical support for the digital development of the cultural relics. In this paper, the background of the subject and the existing technology are briefly introduced, then the three-dimensional reconstruction technique, the expression model of the texture, the display model of the texture and the development of the texture mapping are introduced. The reconstruction method of the single-image depth map and the principle of image de-blurring are described. and a method for realizing global deblurring by using a multi-image reconstruction model, an original image and an image corresponding camera parameter matrix to solve an image corresponding depth map and a joint SML operator to block an image are provided, and the principle, the RGB and the HSV color model of the Poisson equation are discussed, In this paper, a method for solving the Poisson equation of V-channel in HSV color space is presented based on the width of the texture block itself. The depth map obtained from the reconstruction model is more accurate than the general method, and the deblurred image brings better results for the final texture mapping. The modified local color adjustment strategy proposed in this paper also has a positive effect on the result of the texture mapping. With this system, the digital process of the cultural relics can be made more smooth.
【學位授予單位】：浙江大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP391.41
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