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Magie is a HDRI (High Dynamic Range Image) and related tasks infrastructure toolkit which is basically focused on the library of the same name. At present Magie contains adaptive DR transformer GIMPs plug-in only.-Magie is a Applying HDRI (High Dynam
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This toolbox contains functions related to image processing, including
* images loading and generation.
* filtering and blurring functions.
* anisotropic and spacially variant filters.
* non-linear filtering (median, LIC, bilateral).
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This toolbox contains functions related to image processing, including
* images loading and generation.
* filtering and blurring functions.
* anisotropic and spacially variant filters.
* non-linear filtering (median, LIC, bilateral).
*
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本程序主要用于合成hDR图像,能够让用户产生.hdr格式的图像-generate High dynamic range image
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老外实现的HDR高动态范围渲染的例子,很好很强大-Foreigner to achieve high dynamic range rendering HDR examples, very good very strong
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对HDR图像进行读、写、操作、浏览的源码。包含了利用多曝光图像合成HDR图像,tone mapping,等功能。亦可与GNU、Matlab等集成。-pfstools- a set of programs for reading, writing, manipulating and viewing high-dynamic range (HDR) images and video frames. pfscalibration- photometric calibration of cameras
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Gradient Domain High Dynamic Range Compression-Fattal
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perception based high dynamic range compression in gradient domain
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high dynamic range image rendering with a retinex based adaptive filter
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图像处理领域中用于处理LDR为HDR图像的程序,即从低动态范围的图像转成高动态范围的图像-The field of image processing procedures for handling LDR HDR images turn into a high dynamic range image from the low dynamic range image
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详细说明:
读入图像,对于图像进行高斯高通以及低通滤波,显示结果,与原图进行对比-Detail: ch5_1_1: image gray-scale linear transformation (5.1.1) ch5_1_2: image grayscale piecewise linear transformation (5.1.1) ch5_1_3: using the transfer function of the number of forms of dynamic range c
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详细说明:
ch5_1_1: 图像灰度线性变换 (§5.1.1)
ch5_1_2: 图像灰度分段线性变换 (§ 5.1.1) ch5_1_3: 采用对数形式的变换函数进行动态范围压缩 (§5.1.1)
ch5_1_4: 图像直方图的均衡化 (§5.1.2) ch5_1_5: 直方图规定化 (§5.1.2)
ch5_2_1: 邻域平均的线性平滑滤波法实现降噪 (§5.2.2)
ch5_2_2: winner滤波法实现降噪 (§5.2.2) ch5_2_3: 中值滤
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用于高动态范围(hdr)图像的合成软件,载入几幅曝光不同的图像,合成一副HDR图像,可选各种主流的色调映射算法。-For high dynamic range (hdr) image synthesis software, load the pieces of images with different exposures, synthetic an HDR image, optional mainstream tone mapping algorithms.
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高动态范围图像压缩算法。Dynamic range compression with subband architectures. -Dynamic range compression with subband architectures.
The main function for range compression ("range_compression.m")
It takes as input a grayscale or a color high dynamic range
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一 彩色图像灰度化 1
二 空域增强技术 2
2.1 直接灰度映射 2
2.1.1 图像求反(负片) 2
2.1.2 调用imadjust 2
2.1.2 动态范围压缩 3
2.1.3 灰度切分 4
2.1.4 位图切分 5
2.2 直方图变换 6
2.3 空域滤波 7
2.3.1平滑滤波 7
2.3.2锐化滤波 9
三 基本图像变换 11
四 频域图像增强 12
4.1 低通滤波 12
4.1.1 理想低通滤波 12
4.1
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这两篇文章相结合可以很好地解决两个图片之间的不连续拼接-Fast bilateral filtering for the display of high-dynamic-range images
A Multiresolution Spline With Application to
Image Mosaics
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宽动态处理算法Single-shot High Dynamic Range Imaging-Single-shot High Dynamic Range Imaging
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一幅图像的动态范围一般是指亮度的最大值和最小值的比值。人眼对物体的分辨率是非常高的,它亮度的动态范围可达到1000000000:1,而一般的成像设备的范围比人眼看到的要小得多,达不到人眼亮度动态范围的千万分之一。如果要让设备上的显示能尽可能地接近人眼,显示出更多的信息,因此需要进行动态范围压缩处理。-The dynamic range of an image generally refers to the ratio of the maximum and minimum brightness.
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Laurence Meylan的基于色调映射的高动态图像显示算法的MATLAB源代码(source code on Tone Mapping for High Dynamic Range Displays, written by Laurence Meylan)
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This paper presents a new method for fusing two or more differently exposed images of a High Dynamic Range scene. The method employs illumination
estimation filtering, in order to assess the degree of “wellexposedness” of the pixels in the origin
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