分段线性变换 meaning in English
piecewise linear transform
Examples
- Based on histogram research , two novel image enhancement algorithms are put forward . it is adaptive piecewise linear transform
以灰度直方图作为统计手段和依据，提出了自适应灰度分段线性变换的图像增强算法。 - Aiming to the key problem of how to divide gray scale intervals in segmental linear transformation method , this thesis puts forward a method based on region segmentation transformation . it accelerates the process of adjusting gray intervals and improves the efficiency of carrying out the arithmetic
对于分段线性变换方法中如何划分灰度区间进行变换的问题,给出了基于区域分割变换方法,加快了调整灰度区间的过程,提高了算法的执行效率。 - In the image preprocessing that includes image smoothing and linear gray level transformation , the author brings forward a mended linear gray level transformation based on mean of gray value to enhance the image contrast . in the segmentation the paper presents an arithmetic taking the area of the pointers and construction feature of the water meter into consideration , which can extract the part of pointers in the special space of the water meter , and then binarizes image using a dynamic threshold based on the area of the pointer . the design can enhance the recognition rate for the next step
在预处理中提出了一种基于灰度期望的分段线性变换；对水表的图像分割，提出基于面积和结构信息的二值化自动分割，包括基于结构和灰度特征的哈夫变换分割法(指针信息区的提取)和基于指针面积的特征的阈值分割(指针提取) ；针对指针图像的非均匀光照、背影等干扰，提出基于多特征的分区模板匹配法对指针的方向进行识别，从而计算出读数。