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Research on Lenticular-lens Based Multi-view Auto-stereoscopic Display Technology

Author: HeSaiJun
Tutor: ZhangMing
School: Zhejiang University
Course: Communication and Information System
Keywords: Multi-view autostereoscopic display Stereoscopic image synthesis Stereoscopic image decomposition Image scaling
CLC: TP391.41
Type: Master's thesis
Year: 2009
Downloads: 530
Quote: 10
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Abstract


Highly immersive stereoscopic display technology, to give the audience an unparalleled three-dimensional visual enjoyment, so the field of display technology has been the research focus. Conventional stereoscopic display technology needs with stereo glasses, helmets and other auxiliary display visual tools, which greatly limits its application; while the multi-view stereoscopic display technology breakthrough this limitation, in the larger perspective of the audience to the multiple position with the naked eye stereoscopic picture freely clearly feel that the visual impact, which greatly promoted the development of three-dimensional display technology and applications. Among the many free stereoscopic display technology, based on the freedom of lenticular stereoscopic display technology because technology is more practical, three-dimensional display is more superior and become a research hotspot and the main direction. This study is based on a multi-view lenticular stereoscopic display technology, innovative results achieved include: (1) is proposed based on lenticular LCD autostereoscopic display device universal grating parameters measurement method. The law applies not only to have an arbitrary number of lines LPI values ??and the desired angle of inclination α values ??lenticular, and do not need to print a test image, as long as the LCD based on lenticular observe stereoscopic display device that allows accurate measurement of grating parameters to overcome the existing measurement methods grating parameters many deficiencies. (2) is proposed based on lenticular LCD autostereoscopic display device universal stereo image synthesis method. The law applies not only to have an arbitrary number of lines LPI values ??and the desired angle of inclination α values ??lenticular, and can quickly and efficiently synthesize an arbitrary number and arbitrary viewpoint resolution three-dimensional images, which greatly expanded based on lenticular The LCD stereoscopic display device applications. (3) is proposed based on lenticular LCD autostereoscopic display device universal stereoscopic image decomposition method. This method can be from a particular viewpoint number, specific resolution, and the specific parameters of the grating in the decomposition of the stereoscopic image having different visual angles of the viewpoint images, and then a stereoscopic image using a common synthesis method to the synthesis of the desired resolution, number and the grating parameters viewpoint stereoscopic images, which greatly expands the stereo image applications. (4) proposed an improved edge adaptive image scaling algorithms. The algorithm uses the pixel difference between the absolute value of the first order image edge subdivided into eight directions on the horizontal and vertical direction, and no significant improvement of the edge region of second Newton interpolation using the interpolation method, the use in the other direction bis Linear interpolation to interpolate. Experiments show that the use of the algorithm can achieve the target image quality sharp edges, and the complexity of the algorithm is not high, easy hardware real-time implementation.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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