时间:2019-01-01 作者:英语课 分类:双语趣听精彩世界


英语课

   加州日报:以后视力有问题的人看显示屏再不用戴眼镜了,因为美科学家给电脑屏幕 "戴上了眼镜".


  美科学家给电脑屏幕戴上眼镜
  Daily California: People with vision problems may be able to forgo 1 eyeglasses and contact lenses when viewing screens, with the development of a technology that alters devices to compensate 2 for visual impairments.
  Researchers at UC Berkeley developed a method using algorithms to change images pixel by pixel to adjust for the viewer's specific visual aberration 3, an impairment that causes the eye to see a blurred 4 or distorted image.
  The most recent iteration of the project includes a perforated screen in front of the display itself that makes the image clearer and improves the contrast.
  Brian Barsky, a professor of computer science and vision science and affiliate 5 professor of optometry at UC Berkeley and the leader of the project said what's really exciting is that this research will go beyond common vision problems and address some optical problems that cannot be corrected by eyeglasses.
  While lower-order aberrations 6 such as astigmatism 7 can be easily corrected, higher-order aberrations often cause irregularities in the cornea and lens that are harder to compensate for with contact lenses or eyeglasses.
  The current prototype uses images displayed on an iPod Touch that appear distorted but are sharp when viewed through a camera that is set to simulate a farsighted individual.
  The technology would be especially useful for those who already wear contacts or eyeglasses but can't read up close, as the display could be adjusted for the eye correction the individual is wearing and enable him or her to see the screen without reading glasses. It would also be helpful for people who view screens for long periods of time.
  Although Barsky's team is not the first to work on this problem, it was the first to see satisfying results by using multiple layers of LCD panels to achieve a sharper image and higher contrast than previous methods, Huang said.

v.放弃,抛弃
  • Time to prepare was a luxuary he would have to forgo.因为时间不够,他不得不放弃做准备工作。
  • She would willingly forgo a birthday treat if only her warring parents would declare a truce.只要她的父母停止争吵,她愿意放弃生日宴请。
vt.补偿,赔偿;酬报 vi.弥补;补偿;抵消
  • She used her good looks to compensate her lack of intelligence. 她利用她漂亮的外表来弥补智力的不足。
  • Nothing can compensate for the loss of one's health. 一个人失去了键康是不可弥补的。
n.离开正路,脱离常规,色差
  • The removal of the chromatic aberration is then of primary importance.这时消除色差具有头等重要性。
  • Owing to a strange mental aberration he forgot his own name.由于一种莫名的精神错乱,他把自己的名字忘了。
v.(使)变模糊( blur的过去式和过去分词 );(使)难以区分;模模糊糊;迷离
  • She suffered from dizziness and blurred vision. 她饱受头晕目眩之苦。
  • Their lazy, blurred voices fell pleasantly on his ears. 他们那种慢吞吞、含糊不清的声音在他听起来却很悦耳。 来自《简明英汉词典》
vt.使隶(附)属于;n.附属机构,分公司
  • Our New York company has an affiliate in Los Angeles.我们的纽约公司在洛杉矶有一个下属企业。
  • What is the difference between affiliate and regular membership?固定会员和附属会员之间的区别是什么?
n.偏差( aberration的名词复数 );差错;脱离常规;心理失常
  • These events were aberrations from the norm. 这些事件不合常规。 来自辞典例句
  • These chromosome aberrations are all stable, compatible with cell viability. 这些染色体畸变都是稳定的,不影响细胞生活力的。 来自辞典例句
n.散光,乱视眼
  • Maybe you fall asleep in class because of uncorrected astigmatism.也许你在课堂上睡觉是因为你的眼睛散光。
  • Astigmatism can occur in addition to nearsightedness and farsightedness.散光可同时发生在近视和远视。
标签: 眼镜
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