1)  detection
察觉
1.
To enhance our country the capability of detection and identification for biological attack and to prepare response for biological attack, we studied the characters of biological attack, then put forward indexes and methods of detection and identification of it.
为增强我国对生物袭击的察觉、识别能力，做好应对防范措施，我们研究了生物袭击的特点，提出生物袭击察觉识别指标及监测方法。
2)  perceived contrast
察觉对比
3)  Contrast threshold
察觉阈限
4)  perceptive color difference threshold
可察觉色差
5)  just noticeable difference(JND)
最小察觉差
1.
In this paper,the current video codecs are reviewed and the quality performances of these different video coding technologies are evaluated by means of peak signal-to -noise ratio(PSNR)and just noticeable difference(JND).
文中回顾并分析了当前一些主流的编码机制,通过峰值信噪比(PSNR)和最小察觉差(JND)对主流视频编码技术的质量性能进行了比较。
6)  imperceptible
难以察觉的
参考词条
补充资料：察觉
看出；发现：我用儿童的狡猾的眼光察觉，她爱我们，并没有存心要打我们的意思。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。