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[2006-06] A Switching Median Filter With Boundary Discriminative Noise Detection for Extremely Corrupted Images (IEEE TIP Vol. 15 No. 6)
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边缘提取,指数字图像处理中,对于图片轮廓的一个处理。对于边界处,灰度值变化比较剧烈的地方,就定义为边缘。-Edge detection, digital image processing means for processing a contour image. For boundary gray value changes more violent place, it is defined as an edge.
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并行8通道三波长(850 1310 1550nm)光功率检测,数字模拟开关cd4051实现量程自动切换,移位寄存器74hc595对51单片机IO口进行扩展,采用算法对量程边界光功率值容易跳变进行处理。-8-channel parallel three-wavelength (850 1310 1550nm) optical power detection, digital analog switch cd4051 achieve automatic range switching, the sh
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用Sobel算子和拉普拉斯对图像锐化 梯度算子检测边缘 LOG算子检测边缘 Canny算子检测边缘 边界跟踪(bwtraceboundary函数)Hough变换-Sobel operator and Laplacian operator image sharpening gradient edge detection LOG operator edge detection operator Canny edge detection boundary tracing (bwtraceboundar
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基于OpenCV的椭圆检测算法,通过边界处理、轮廓识别、椭圆拟合来检测椭圆-Ellipse detection algorithm based on OpenCV,Boundary treatment, contour detection
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可以进行图像边界处理,进行边缘检测,涉及高斯滤波-Can be edge detection, image boundary treatment, involving the gaussian filter
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hough变换检测直线实用源代码,亲测可用。hough变换受噪声和边界间断的影响较小,比较鲁棒-Hough transform detection line utility source code, pro-test available. The hough transform is less robust to noise and boundary discontinuities
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log算子实现边缘检测提取图像边界线源代码-Log operator edge detection to extract the image boundary source code
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图像边缘检测主要用于增强图像中的轮廓边缘、细节以及灰度跳变部分,形成完整的物体边界,达到将物体从图像中分离出来或将表示同一物体表面的区域检测出来的目的。(In image edge detection is mainly used to enhance image contour edge, details and gray level jump part, forming a complete object boundary, reach to isolate the object from
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先大津法计算全局图像的阈值,再用阈值分割找出肺实质区域,再填补肺实质空洞,实现用边界追踪检测肺实质边界的目的(The calculation of the overall image threshold Otsu threshold segmentation first, and then find out the lung parenchyma, and pulmonary parenchyma fill holes, trace detection boundary in the purpo
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1.图像反转 2.灰度线性变换 3.非线性变换 4.直方图均衡化 5. 线性平滑滤波器 6.中值滤波器 7.用Sobel算子和拉普拉斯对图像锐化:8.梯度算子检测边缘 9.LOG算子检测边缘 10.Canny算子检测边缘 11.边界跟踪 (bwtraceboundary函数)12.Hough变换 13.直方图阈值法 14. 自动阈值法:Otsu法 15.膨胀操作 16.腐蚀操作 17.开启和闭合操作 18.开启和闭合组合操作 19.形态学边界提取 20.形态学骨架提取 21.直接提取四个顶点坐标
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数字图像中的拐点通常成为重要的信息载体,因此准确、稳定和实时地检测出拐点便成为拐点检测算法面l临的主要问题,针对该问题,提出了一种新的二值图像中拐点的实时检测算法。该算法与传统基于边界链码的拐点检测算法不同,其是首先构建像素的k(k>8)邻域,并将图像中物体的边界表示为k邻域链码;然后根据曲率定义的差分形式计算各边界点处的曲率;最后通过检测曲率直方图的局部峰值精确定位出拐点,并利用拐角内部像素的颜色统计信息迅速判断出拐点的凸凹性。(The inflection point in the d
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基于VHDL图像边缘检测,可在在仿真波形上看出其边界值(Based on VHDL image edge detection, the boundary value can be seen on the simulation waveform)
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关于图像识别,农田边缘检测,智能区分农田边界的好论文(A good paper on image recognition, field edge detection and intelligently distinguishing the boundary of farmland)
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