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介绍一种实用的二维条码识别算法。首先探讨了二维条码的定位与分割算法,利用Hough变换与Sobel边缘检测把条码图像从原始采集的图像中有效地分割出来 然后分析了条码图像经过光学系统的噪声模型,提出了一种计算点扩展函数标准方差的算法 采用Flourier变换自适应地选取阈值去除噪声导致的无效边界,从而得到条码的基本模块。实验结果表明,该算法具有很好的抗噪性,提高了二维条码的识别率。
-A practical two-dimensional barcode recognition algorit
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介绍一种实用的二维条码识别算法。首先探讨了二维条码的定位与分割算法,利用Hough变换与Sobel边缘检测把条码图像从原始采集的图像中有效地分割出来 然后分析了条码图像经过光学系统的噪声模型,提出了一种计算点扩展函数标准方差的算法 采用Flourier变换自适应地选取阈值去除噪声导致的无效边界,从而得到条码的基本模块。实验结果表明,该算法具有很好的抗噪性,提高了二维条码的识别率。
-A practical two-dimensional barcode recognition algorit
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Spatial registration of multidate or multisensor images is required for many applications in remote
sensing, such as change detection, the construction of image mosaics, DEM generation from stereo
pairs, and orthorectifi cation. Registration
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Example of a two-dimensional Gabor filterIn image processing, a Gabor filter, named after Dennis Gabor, is a linear filter used for edge detection. Frequency and orientation representations of Gabor filter are similar to those of human visual system,
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Abstract—Three-feature based automatic lane detection al-
gorithm (TFALDA) is a new lane detection algorithm which is
simple, robust, and efficient, thus suitable for real-time processing
in cluttered road environments without a priori knowledg
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target detection from SAR image
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target detection from SAR Image
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saliency detection from image
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使用matlab自带的rice图像进行边缘检测(using the rice image from matlab platform as a sample image.detect deges of this image by using canny dege detection method and segment tihs image using watershed method)
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In previous work, we presented GMTI detection and geo-location results from the AFRL Gotcha challenge data set, which was collected using a 3-channel, X-band, circular SAR system. These results were compared against GPS truth for a scr ipted vehicle
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显着区域检测是计算机视觉中长期存在的问题。它旨在找到最能吸引人眼睛注意的图像中的像素或区域。准确和可靠的显着性检测可以从视觉追踪和识别到图形图像处理等众多任务中受益。例如，成功的对象检测算法有助于自动图像分割，更可靠的对象检测，有效的图像缩略和重定位(Significant regional detection is a long-term problem in computer vision. It aims to find the pixels or regions of the most
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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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In this paper, we present a simple yet fast and robust algorithm which exploits the spatio-temporal context for visual tracking. Our approach formulates the spatio-temporal relationships between the object of interest and its local context based on a
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