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Local Contrast Enhancement Local Histogram Equalization
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local contrast enhancment
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编写MATLAB函数实现灰度调整,对比度增强,直方图均衡,局部平滑,中值滤波,频率域平滑与锐化-Write MATLAB function to achieve gray scale adjustment, contrast enhancement, histogram equalization, local smoothing, median filtering, frequency domain smoothing and sharpening
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详解matlab图形绘制 适合matlab图形制作的学习 书籍 源代码-matlab
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基于模糊对比度的图像增强方法,大致过程仍然是先把图像从空间域映射到模糊域,在模糊域内通过定义一个局部对比度算子,然后通过对凸函数的加强来放大像素邻域的各像素之间的差异。
-Based on the fuzzy contrast image enhancement method, the general process is still the first images from space domain is mapped to the fuzzy field in fuzzy field
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We demonstrate a new approach to CARS spectroscopy by effi ciently syn- thesizing synchronized narrow-bandwidth (less than 10 cm− 1) pump and Stokes pulses (frequency diff erence continuously tunable upto ~3000 cm− 1) based on spec
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这是一个结合全局-局部图像对比度增强程序。首先使用全局对比度增强,然后使用局部对比度增强。程序中的参数是经过导师修改过的。文件中给出了原论文。对图像有一定的增强效果,仅供参考。-This is a combination of a global- local image contrast enhancement program. First, using a global contrast enhancement, and then use the local contrast enhancem
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这是一篇关于图像局部对比度增强的文章,内附原文paper和matlab仿真代码和几幅示例图像,效果蛮不错,你值得拥有!-This is an article about the local image contrast enhancement, enclosing the original paper and matlab simulation code and pieces of sample images, the effect is pretty good, you deserve!
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直方图均衡化,包括动态直方图均衡化,全局直方图均衡化,局部直方图均衡化,以及绘制图像的直方图 其中动态直方图均衡化用A dynamic histogram equalization for image contrast enhancement 只取x=0情况-Histogram equalization, including dynamic histogram equalization, global histogram equalization, local histogram equaliz
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An Automatic Wavelet-based Nonlinear Image
Enhancement Technique for Aerial Imagery
Recently we proposed a wavelet-based dynamic range
compression algorithm to improve the visual quality of digital
images captured in the high dynamic range
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使用matlab实现的一些常见的图像增强处理,如平滑、锐化、虑波、对比度拉伸、局部增强和感兴区提取等-Use MATLAB to implement some common image enhancement processing, such as smooth, sharpen, wave, grandiose sense of contrast stretch, local contrast enhancement, and extraction
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全局亮度与局部对比度自适应增强算法,一种简单有效的低照度图像处理算法。得到的增强图像色彩保持性好,算法简单快速。-Global and local contrast adaptive brightness enhancement algorithm, a simple and effective illumination image processing algorithms. The resulting color-enhanced image to maintain good algorit
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常见的基于人类视觉特性的图像增强算法由于是同时完成动态范围压缩和对比度增强,导致增强图像的整
体对比度不高、边缘部分效果不佳.通过分析人类视觉系统的全局和局部自适应调节原理及人眼视网膜神经节细胞
感受野的传输特性,提出一种仿生图像增强算法.为适应人类视觉系统对光强的主观感觉特性,对图像作全局亮度
对数变换 并利用人眼的主观亮度感觉与实际光强的对数呈局部线性关系的特性,采用视网膜神经元感受野三高斯
模型来调整亮度图像的局部对比度 最后利用线性变换恢复图像的彩色信息.实验结果表明,该
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对比度受限自适应直方图均衡法,其通过限制局部直方图的高度来限制局部对比度的增强幅度,从而限制噪声的放大-Contrast limited adaptive histogram equalization method, the magnitude of the local contrast enhancement to limit the local histogram by limiting the height, thus limiting the amplification of noise
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Portal images are acquired by electronic portal imaging devices (EPID) with megavoltage (MV)
x-ray, but they are inherently poor in terms of contrast, due to Compton Effect. In comparison with
diagnostic x-ray images, portal images usually lack s
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有限对比适应性均衡化是一种有约束的局部直方图构造方法,而不是全局。在高亮区和暗区的增强能力要远优于常规的直方图均衡化,图像视觉效果更加清晰。-Finite contrast adaptive equalization is a constrained local histogram construction method, rather than a global. The enhancement capability of the highlighted area and dark regio
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针对基于小波变换的红外图像增强方法视觉效果不够理想的缺点, 提出了一种基于平稳小波变换和Retinex 的红外图像增强方法, 利用Retinex 增强算法增强图像的视觉效果, 并改善其亮度均匀性。首先, 对红外图像经平稳小波变换后的最大尺度低频子带图像进行多尺度Retine x 增强 然后, 利用贝叶斯萎缩阈值法对高频子带图像进行阈值去噪, 并根据低频子带图像的局部对比度和模糊规则计算高频子带的增益系数, 从而得到增强后的高频子带图像 最后, 由低频子带图像和高频子带图像重构得到增强后的图像。针
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