您当前所在位置: 首页 > 学者
在线提示

恭喜!关注成功

在线提示

确认取消关注该学者?

邀请同行关闭

只需输入对方姓名和电子邮箱,就可以邀请你的同行加入中国科技论文在线。

真实姓名:

电子邮件:

尊敬的

我诚挚的邀请你加入中国科技论文在线,点击

链接,进入网站进行注册。

添加个性化留言

已为您找到该学者11条结果 成果回收站

上传时间

2010年04月06日

【期刊论文】Virtual toed-in camera method to eliminate parallax distortions of stereoscopic images for stereoscopic displays

王琼华, Huan Deng Qiong-Hua Wang (SID Senior Member) Da-Hai Li (SID Member) Ai-Hong Wang

Journal of the SID 18/3, 2010 193,-0001,():

-1年11月30日

摘要

The parallax images captured by a toed-in camera have positive and negative horizontal parallax for stereoscopic displays, but they also have parallax distortions including horizontal and vertical distortions. The virtual toed-in camera method can eliminate the horizontal distortion and reduce the vertical distortion. The parallax formulae for the corrected-parallax images were deduced. The experiments were carried out and the results proved that the method was accurate. Good stereoscopic images without horizontal distortion and with little vertical distortion were presented on an autostereoscopic display.

Toed-in camera, virtual toed-in camera method, parallax image, horizontal distortion, vertical distortion

上传时间

2010年04月06日

【期刊论文】Pixel Arrangement of Autostereoscopic Liquid Crystal Displays Based on Parallax Barriers

王琼华, Wu-Xiang Zhao, Qiong-Hua Wang, Da-Hai Li, and Yu-Hong Tao

Mol. Cryst. Liq. Cryst., Vol.507, pp.67-72, 2009,-0001,():

-1年11月30日

摘要

The methods of pixel arrangement for autostereoscopic liquid crystal displays based on conventional vertical parallax barriers are summarized. A novel method of pixel arrangement for autostereoscopic liquid crystal displays based on step parallax barriers is proposed. The pixel arrangements are given for different 10 inclined angles of parallax barriers and different column numbers of images. A demo of the autostereoscopic liquid crystal display using the new method of pixel arrangement presents very good stereo images. The results help to solve the process, storage and transmission of stereo images of autostereoscopic liquid crystal displays based on parallax barriers.

autostereoscopic display, liquid crystal display, parallax barrier, pixel arrangement

上传时间

2010年04月06日

【期刊论文】Photo-luminescent screens for optically written displays based on upconversion of near infrared light

王琼华, Q.-H. Wang and M. Bass

ELECTRONICS LETTERS 5th August 2004 Vol.40 No.16,-0001,():

-1年11月30日

摘要

The structure and fabrication of a photo-luminescent screen for an optically written display based on upconversion of near infrared light is presented. Some of the rare earth doped fluoride crystals upconversion photo-luminescent materials are given. A uniform screen with a densely packed layer for high-resolution projection display was语developed using the settling screening method.

上传时间

2010年04月06日

【期刊论文】Multilayer Dielectric Color Filters for Optically Written Display Using Up-Conversion of Near Infrared Light

王琼华, Qiong-Hua Wang, Da-Hai Li, Bao-Jian Peng, Yu-Hong Tao, and Wu-Xiang Zhao

JOURNAL OF DISPLAY TECHNOLOGY,-0001,():

-1年11月30日

摘要

An optically written display based on up-conversion of near-infrared light is a newly emerging display technology. For filtering out unwanted colors from this light generator, multilayer dielectric color filters are designed for red, green, and blue screens, respectively. Layer-symmetric films are used in the designed filters and the conjugate gradient method is used to optimize the design. It is observed that the characteristics of the filters are good in the whole visible wavelength range when the incident angle is less than 40. The encompassed color triangle of the display with the color filters is larger than that without the color filters, and images with more saturated colors are obtained.

上传时间

2010年04月06日

【期刊论文】Jump method for optical thin film design

王琼华, Lei Li, Qiong-Hua Wang, , * Da-Hai Li, and Hua-Rong Peng

14 September 2009/Vol.17, No.19/OPTICS EXPRESS 16920,-0001,():

-1年11月30日

摘要

This paper proposes a method called Jump method for optimization of optical thin films. The method is the combination of local search strategy using modified Coordinate-Wise Algorithm and global search strategy using modified Evolutionary Algorithm. Jump method can evolve the designs of optical thin films for good performances. The design of a dielectric beam splitter and an edge filter as examples is carried out and the results indicate that Jump method is a very robust algorithm for optical thin film designs.

合作学者

  • 王琼华 邀请

    四川大学,四川

    尚未开通主页