首页>
外国专利>
method and schaltungsanordnung to image enhancement by distributed histogrammausgleich using a calibrated average brightness
method and schaltungsanordnung to image enhancement by distributed histogrammausgleich using a calibrated average brightness
展开▼
机译:方法和通过使用校准的平均亮度通过分布直方图增强图像增强效果的方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
A histogram equalization method for enhancing an image is provided and includes the steps of: quantizing the level of input image signals; quantizing a mean level of quantized input image signals by unit of a picture; splitting quantized input image signals into a predetermined number of quantized sub-images according to a quantized mean level; calculating a cumulative density function value of each quantized sub-image; interpolating the cumulative density function value of each sub-image according to input image signals and the cumulative density function value of each quantized sub-image; and independently histogram-equalizing sub-images according to the interpolated cumulative density function value of each sub-image, to thereby enhance the contrast and preserve the entire brightness of a given image as well as simplify the circuit hardware. IMAGE
展开▼