图像函数 meaning in English

image function

Text and image functions
文本和图像函数
Display chip is a graph processing chip of the display card ; it deals with various picture functions
显示芯片也就是显卡的图形处理芯片，它负责处理各种各样的图像函数。
The cross - zero detection of wavelet transform could detect the gradation image sudden change information , at the same time it could be express the characteristic information the original map ( namely image function plants " jump point " )
小波过零检测可以很好的检测到灰度图像的突变信息,同时可以很好的表示出原图像灰度跳变(即图像函数种的“拐点” )的特征信息。