负像 meaning in English

negative image; reversed image; negative picture

Micrographics - test target of optical density measurement for microfilming negative
缩微摄影技术缩微摄影时检验负像光学密度用测试标板
The measurement of defect and the common image processing methods are realized , such as histograms showing , invert transform , fake - color transform and curve transform . 3
设计并实现了x射线探伤图像中缺陷尺寸的自动测量及一些常用的图像处理算法，如：灰度直方图显示、负像、伪彩色以及锐化等； 3