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ImageProcessing
- 图像特征提取是图像识别的关键步骤,图像特征提取的效果如何直接决定着图像识别的效果. 如何从原始图像中提取具有较强表示能力的图像特征是智能图像处理的一个研究热点. 本文旨在介绍各种 图像特征提取方法的基本思想、特点和研究发展现状, -Image feature extraction is a key step in image recognition, image feature extraction directly determines how the effect of image
ImprovedMappingandImageSegmentation
- This approach addresses two difficulties simultaneously: 1) the range limitation of mobile robot sensors and 2) the difficulty of detecting buildings in monocular aerial images. With the suggested method building outlines can be detected faster
Zippered
- Range imaging offers an inexpensive and accurate means for digitizing the shape of three-dimensional objects. Because most objects self occlude, no single range image suffices to describe the entire object. We present a method for combining a c
average-log-square
- 讀取16位元(65536階)raw影像檔,調整其灰階動態範圍至256階,調整方式至少包含平均法、對數法、開平方法,word檔包含了成程式碼與操作說明與結果。-Read 16-bit (65536-order) raw image file, adjust its dynamic range to 256 gray-scale bands, contains at least adjust the way the averaging method, logarithmic law, Kaiping
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- 摘要:为了提高图像复原算法的性能 ,提出了一种改进的奇异值分解法估计图像的点扩散函数。从图像的退化离散模型 出发 ,对图像进行逐层分块奇异值分解 ,并自动选取奇异值重组阶数以减少噪声对估计的影响。利用理想图像奇异值向 量平均能谱指数模型 ,估计点扩散函数奇异值向量的频谱 ,再反傅里叶变换得到其时域结果。实验结果表明 ,该方法能 在不同信噪比情况下估计成像系统的点扩散函数 ,估计结果比原有估计方法有所提高 ,有望为图像复原算法的预处理提 供一种有效的手段。-Abstract : T
chap05
- 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_1_1: image linear transformation (§ 5.1.1) ch5_1_2: piecewise linear image transform (§
otsu
- OTSU Gray-level image segmentation using Otsu s method. Iseg = OTSU(I,n) computes a segmented image (Iseg) containing n classes by means of Otsu s n-thresholding method (Otsu N, A Threshold Selection Method from Gray-Level Histograms, IEEE
ARMbasedembeddedimageprocessingsystemdesign
- 硬件 部 分 ,我们建立了以ARM处理器为核心的开发板,通过CMOs摄 像头实时采集图像信息并通过液晶显示器显示。操作系统部分实现了实 时嵌入式操作系统的开发和移植,并在系统上扩展了文件系统模块,使 之支持图像信息的存储和更为广泛的应用开发。图像算法部分实现了图 像采集、BMP编码、图像存储,以及对所生成的数字图像进行数字处理 等功能。-Hardware part, we set up the ARM processor as the core to the developm
zncc
- ZNCC Normalized cross correlation m = zncc(w1, w2) Compute the zero-mean normalized cross-correlation between the two equally sized image patches w1 and w2. Result is in the range -1 to 1, with 1 indicating identical pixel patterns.-ZN
cvl
- A C++ library for High Dynamic Range Image Processing using OpenGL and graphics processing units (GPUs).
genetic
- 这是用遗传编程算法来拟合曲线的一个经典程序,非常不错,大家可以通过修改function程序里的曲线定义来拟合多种曲线-This is the genetic programming algorithm to a classical curve fitting procedures, is very good, you can program by modifying the function of the curve to fit the definition of a wide range o
matlabimageprocessing
- matlab 实现对图像基本处理 包含 图像的幅度谱图及频域滤波,数字图像增强,平滑、锐化处理的模板运算,图像压缩与编码,包含原代码和任务书。图片资料齐全-basic matlab image processing to achieve the range of images and spectra of frequency-domain filtering, digital image enhancement, smoothing, sharpening operator templat
image
- 在计算机视觉领域,人体运动分析的研究具有相当广泛的应用前景。由于人体运动的复杂性,已有的研究方法都对研究对象—人体,加上了许多限制条件。-In the field of computer vision, human motion analysis with a wide range of applications. Due to the complexity of human motion, the existing research methods are research subjects-
camera
- 在基于ARM处理器的Liunx系统下的开放板上实现摄像头图像采集,稍微改进后可以实现远程图像获取-ARM processor-based systems Liunx open on-board camera image acquisition to achieve, a slight improvement can be achieved after long-range image acquisition
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- 近年来,随着互联网的高速发展,网上的多媒体信息也急剧增加,这些多媒体信息以图像为主。如何从浩瀚的图像数据库中快速、准确地找出所需要的图像,己成为一个备受关注的研究课题。有效地组织、管理和检索大规模的图像数据成为迫切需要解决的问题。于是基于内容的图像检索(Content-Based Image Retrieval: CBIR)作为一个崭新的研究领域出现了。 本课题拟研究、分析彩色图像红、绿、蓝三基色直方图的生成、特征提取和相似度等问题,应用图像的颜色信息—三基色直方图对图像进行检索。针对基于颜
788
- 人脸识别是机器视觉和模式识别领域最富有挑战性的课题之一,同时也具有较为广泛的应用意义。人脸识别技术是一个非常活跃的研究领域,它覆盖了数字图像处理、模式识别、计算机视觉、神经网络、心理学、生理学、数学等诸多学科的内容。如今,虽然在这方面的研究已取得了一些可喜的成果-Face recognition is the field of machine vision and pattern recognition, one of the most challenging issues, but also
MATLAB1
- 《MATLAB图形技术_绘图及图形用户接口》 MATLAB语言在数值计算,数据处理,自动控制,信号处理,神经网络,优化计算,模糊逻辑,小波分析,图像处理,统计分析等众多领域有着广泛的用途。-" MATLAB graphics _ graphics and graphical user interface" MATLAB language in the numerical calculation, data processing, automatic control, sig
fenxingbianma
- 分形图像压缩编码,给每个range块寻找合适的domain块,减少搜索domain块的范围,编码速度将有很大提高。所以编码时用快限制分形编码,把图像分成4小块,每块中的range块只在这块中寻找domain块。-Fractal image compression coding, for each range block to find a suitable domain block, domain block search to reduce the scope of encoding spee
menxian
- 灰度门限化许多情况,图象是由具有不同灰度级的两类区域组成。如文字与纸张、地物与云层(航空照片)。其特点:直方图具有两个峰,分别与两个灰度级范围相对应 。故可选择一个门限,将两个峰分开。-Gray threshold of many cases, the image is gray level of two different regional groupings. If words and paper, surface features and cloud cover (aerial photo
hrr_profile
- 使用步频信号生成距离像,包含变量频率步数,频率差,散射体数量,距离元,散射体移动速度,来生成散射体的距离像。-Step-frequency signal generated using the range image that contains the variable frequency step, frequency difference, the number of scattering from the element, scattering body speed, to generat