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    • 2. 发明申请
    • ADAPTED PIECEWISE LINEAR PROCESSING DRIVE
    • 适应性线性加工驱动
    • US20110311146A1
    • 2011-12-22
    • US13222352
    • 2011-08-31
    • Pyeong-Woo LEE
    • Pyeong-Woo LEE
    • G06K9/46
    • H04N5/357H04N5/202
    • A piecewise linear processing device applies different amplification rates according to a general environment and a low luminance environment where much noise exists. The piecewise linear processing device includes a knee point storing unit configured to store a user's default setting value and low luminance setting value; a luminance detecting unit configured to detect a noisy environment to output a current luminance information signal and a maximum luminance information signal; an adaptive knee point supply unit configured to receive the default setting value, the low luminance setting value, the current luminance information signal, and the maximum luminance information signal to supply a adjusted adaptive knee point according to a degree of noise; and a piecewise linear processing unit configured to apply a section amplification rate to an input data on the basis of a region corresponding to the adaptive knee point.
    • 分段线性处理装置根据一般环境和存在大量噪声的低亮度环境应用不同的放大率。 分段线性处理装置包括:膝点存储单元,被配置为存储用户的默认设定值和低亮度设定值; 亮度检测单元,被配置为检测噪声环境以输出当前亮度信息信号和最大亮度信息信号; 自适应拐点供给单元,被配置为接收默认设置值,低亮度设置值,当前亮度信息信号和最大亮度信息信号,以根据噪声程度提供经调整的自适应拐点; 以及分段线性处理单元,被配置为基于与自适应拐点相对应的区域向输入数据应用区段放大率。