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本程序主要功能是idl调用matlab程序,大大增加了idl的图像/形处理功能,应用更广泛-This procedure is the main function of matlab to call idl procedures, has greatly increased the idl image/shape processing, the application of more extensive
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本程序是基于Matlab的米粒图像的分割、计数以及周长、面积、形状因子等参数的计算。图像分割是基于腐蚀膨胀算法,选用边界跟踪法计算周长,程序代码清晰明了,对于参数的计算速度较快,且参数计算精度较高。-This procedure is based on the Matlab image segmentation grain of rice, counting and perimeter, area, shape factor and other parameters of the calcula
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由图像的灰度,恢复三维物体的形状,包括源程序和图片-By the gray scale image to restore the shape of three-dimensional objects, including source code and pictures
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This functions displays GUI for selecting square or rectangular part
of the input image IMG. To perform selection user must click mouse twice:
at two corners of the selection area.
User can change the shape at any moment, even when first point
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Active contour models, deformable surface models,
edge detection, gradient vector flow, image segmentation,
shape representation and recovery, snakes.-Active contour models, deformable surface models, edge detection, gradient vector flow, image s
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图像检索中基于形状的图像检索技术研究 非常 有用 -Shape-based image retrieval in image retrieval research is very useful
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状是含有高层语义信息的视觉特征,在基于内容的图像检索及图像识别中具有重要的应用价值。有很多种描述子可以描述图像的形状特征,傅立叶描述子可以把二维的图像轮廓信息简化成一维问题进行处理,应用非常广泛。然而自然图像的形状特征通常是杂乱的,有噪声的,提出了一种图像预处理方法,得到净化的形状图像,通过实验研究傅立叶描述子算法提取形状特征的效果。-Abstract Shape is a visual feature which contains intrinsic high-level semantics
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求一个图像的最大内接矩形面积。
步骤:
1.相机标定。首先根据物像关系式求出其中的参数。注意参数求出后要进行参数校验。
2.从背景中分离出目标
3.边缘检测
4.目标形状参数计算。-For an image of the largest inscribed rectangle area. Steps: 1. Camera calibration. First of all object-image relationship in accordance with the par
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利用Hough变换检测简单形状- shape detection
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对形图像的经过边缘提取后得到的二值图像边缘进行细化,提取单像素的边缘,使得边缘是成为清楚的单像素的边缘。-After images of the shape after the edge extraction of the binary image to refine the edge, the edge extraction of a single pixel, making the edge is to be clear of the edge of a single pixel.
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本实验要求根据课本中给出的高斯噪声和椒盐噪声的概率分布的形状和参数编写两个通用程序分别给一个图像中添加高斯噪声和椒盐噪声。高斯噪声是n维分布都服从高斯分布的噪声,椒盐噪声是图像中经常见到的一种噪声是一种随机的黑点或者白点。在实验中通过它们对应的概率密度函数得到噪声分布函数进而与原图像进行叠加产生出对应的噪声图像-Textbooks in this experiment are given under the Gaussian noise and salt and pepper noise in
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边界方向直方图直方图的源码,对于提取图像的形状一定作用-Boundary direction histogram histogram of source code, extract the image for a certain role in the shape of the
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shape context matlab opensource code use in image process
Contains the canny edge detector and the shape context of the optimization calculation.
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转换图像文件程序(方形,为音乐的最高120x120像素)文件(*. WAV和噪音)。你可以看在音乐谱图隐藏的图像 - 过程被称为声音隐秘。
-Program converts image file (square shape, maximum 120x120 pixels) into music file (*.wav, noise). You can watch the hidden image in spectrogram of music- process called sound s
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A new approach for fingerprint verification, based on wavelets and pseudo Zernike moments (PZMs), is
discussed. PZMs are robust to noisy images, invariant to rotation and have a good image reconstruction
capability [4]. PZMs have been used for
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Gabor滤波器经常被用于形状检测和特征提取,比如增强指纹图像。本代码用matlab实现了一个二维Gabor滤波器。
代码使用如下:
function [G,gabout] = gaborfilter1(I,Sx,Sy,f,theta)
from gaborfilter1 with different f(Frequency) and theta(Angle).
for example
f:0,2,4,8,16,32
theta = 0,pi/3,pi/6
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实现图像的清晰分割,效果明显,基于图像灰度-梯度构造的二维直方图,在此基础上计算目标与背景的二维Renyi熵-It can handle more types of images and get more accurate shape of the image edgee that pixels gradient information in combination with parameter of Renyi entropy which is adjustable
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基于内容的图像检索,包括纹理、形状、颜色-Content-based image retrieval, including texture, shape, color
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旋转不变非刚性的图像匹配 。代码为matlab源码,代码注释详细,可以通过代码上的链接找到原始文献,以作详细学习-Rotation-invariant non-rigid image matching. Matlab source code, code comments in detail, you can find links to the original code on the literature, for detailed study
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基于距离的医学图像形状插值源码,matlab版,输入系列图片,程序在每两个相邻的切片直接完成切片的插值-Distance based medical image shape interpolation source code, version MATLAB, input series, program in each of the two adjacent sections completed directly slicing interpolation
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