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数字图像处理实验
图 像 处 理 实 验(一)直 方 图
灰度变换是图像增强的一种重要手段,使图像对比度扩展,图像更加清晰,特征更加明显。
灰度级的直方图给出了一幅图像概貌的描述,通过修改灰度直方图来得到图像增强。-digital image processing of image processing experiments (1) histogram of the gray-scale transformation of image enhancement is an impor
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this issue is the major content of image preprocessing, mainly from the camera to obtain images Face then, in order to improve the recognition and positioning accuracy. The module consists mainly of light compensation, Grayhound, Gaussian smoothing,
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This document contains details about image enhancement techniques,spatial domain,frequency domain mathods.image stretching ,contrast slicing,sample codes , and some outputs are also included.
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image contrast enhancement
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A Graphical user interface for image enhancement. You can set the contrast, color, sharpness as well as you can convert the rgb image to gray
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1.对比度增强:计算并显示图像直方图,直方图均衡;
2.图像分割:Otsu算法;
3.二值图像的数学形态学开闭运算。要求对输入图像二值化,然后实现腐蚀膨胀,最后调用腐蚀膨胀实现开闭。至少给出两种不同形状和大小的结构元素。
-1. Contrast Enhancement: Calculate and display the image histogram, histogram equalization
2. Image Segmentation: Otsu algorithm
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基于C#编写的人脸识别系统,首先进行人脸图片的预处理,包括:标记人脸区域,光照补偿,灰度化,高斯平滑,直方图均衡化处理,对比度增强,二值化变换,去除孤立点等操作,然后标记人脸特征点,提取特征信息,与数据库中信息比较进行识别-Written in C#-based face recognition system, the first face image preprocessing, including: labeled human face region, illumination compe
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用同态滤波的方法进行图像增强,提高雾天图像的对比度,增强图像的质量-The method with homomorphic filtering for image enhancement, improved fog image contrast, image quality enhancement
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详细的matlab图像处理,有DCT变换图像压缩,对比度增强,直方图均衡化,规定化,平滑滤波,锐化,频域滤波等-Detailed matlab image processing, image compression with DCT transform, contrast enhancement, histogram equalization, the provisions of, smoothing, sharpening, frequency domain filtering
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实现GLG论文中的灰度图像的对比度增强算法-GLG paper to achieve the grayscale image contrast enhancement algorithm
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用matlab实现GLG论文中的灰度图像的对比度增强算法-GLG paper to achieve the grayscale image contrast enhancement algorithm by matlab
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多尺度RETINEX图像增强程序 程序亲自运行过 运行效率高 非常利于提取其中的算法-Multiscale image enhancement algorithms RETINEX PROCEDURES personally running too high operating efficiency which is very beneficial to extract
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JAVA application source code for image processing ( contrast enhancement with histogram equalization and reframing ....) without using predefined functions
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对比度增强,直方图均衡化,滤波器等图像增强算法的实现。-Contrast enhancement, histogram equalization, filters and other image enhancement algorithm implementation.
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基于自动选择阈值的模糊增强方法,对图像对比度增强有不错的效果-The fuzzy enhancement method based on automatic selection threshold has good effect on image contrast enhancement.
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idl使用界面编辑实现界面的简单可视化,包括打开(JPEG、Bmp、tiff等格式)、保存、退出、KL、图像增强(罗伯特、索伯尔变换)、边缘提取、直方图均衡化、对比度增强、波段运算等功能-IDL interface editing interface simple visualization, including open format (JPEG, BMP, tiff, etc.), save and exit, KL, image enhancement (Robert, Sobel tra
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图像增强,对比度增强,通过不同阈值到达不同效果-Image enhancement, contrast enhancement, reach different effects by different thresholds
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以对图像进行复制、粘贴、剪切、全选、取消选择和翻转。
过滤图像,包括锐化、浮雕、腐蚀、风化。对图像进行滤波处理:包括最小值滤波处理、最大值滤波处理和中值处理。
对彩色图像进行变换:包括彩色转灰度、彩色转黑白、平滑处理、霓红处理。软化图像,包括红色、绿色、橙色;硬化图像,包括红色、绿色、蓝色。
对图像进行卷积处理,包括水平增强、垂直增强和双向增强。
对图像进行边缘探测,例如右下边缘抽出,拉普拉斯(8邻域)。给图像进行对比度增强,进行FFT分析,以及对两幅图像进行合成。
可以选择
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图像对比度增强,可实现window可视化,并且动态显示(image contrast enhancement)
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完整的视频车辆检测的原理是首先通过图像采集系统采集视频图像,数字化,存入内存或帧缓存中;对数字图像进行预处理(滤波除噪、图像锐化、对比度增强),从而减小噪声对图像质量的影响。(The principle of complete video vehicle detection is to collect video images from the image acquisition system first, digitize, save the memory or frame cache, an
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