Description: 基于Hessian矩阵法提取灰度图像中的圆光条并拟合出圆。-Hessian matrix method based on gray-scale image extracted Wonkwang and fitting out of a round section. Platform: |
Size: 6611968 |
Author:张圆 |
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Description: In this paper, a novel scale- and rotation-invariant interest point detector and descriptor, coined SURF (Speeded Up Robust
Features) is presented. It approximates or even outperforms previously proposed
schemes with respect to repeatability, distinctiveness, and robustness, yet
can be computed and compared much faster.
This is achieved by relying on integral images for image convolutions by building on the strengths of the leading existing detectors and descriptors (in casu, using a Hessian matrix-based measure for the detector, and a
distribution-based descriptor) and by simplifying these methods to the
essential. This leads to a combination of novel detection, description, and
matching steps. The paper presents experimental results on a standard
evaluation set, as well as on imagery obtained in the context of a real-life
object recognition application. Both show SURF’s strong performance.-In this paper, a novel scale- and rotation-invariant interest point detector and descriptor, coined SURF (Speeded Up Robust
Features) is presented. It approximates or even outperforms previously proposed
schemes with respect to repeatability, distinctiveness, and robustness, yet
can be computed and compared much faster.
This is achieved by relying on integral images for image convolutions by building on the strengths of the leading existing detectors and descriptors (in casu, using a Hessian matrix-based measure for the detector, and a
distribution-based descriptor) and by simplifying these methods to the
essential. This leads to a combination of novel detection, description, and
matching steps. The paper presents experimental results on a standard
evaluation set, as well as on imagery obtained in the context of a real-life
object recognition application. Both show SURF’s strong performance. Platform: |
Size: 686080 |
Author:yangwei |
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Description: 基于Hessian矩阵的条纹中心提取方法提取光条中心点的亚像素图像坐标，并将光条中心点连接成光条中心线 然后利用直线近似算法将光条中心线在拐点处拆分为近似直线:最后将满足角度约束和图像原点到近似直线的距离约束的共线中心点进行融合，对融合后的共线中心点进行直线拟合得到直线光条的参数方程。-Hessian matrix-based extraction method of extracting light stripe center of the center section of the sub-pixel image coordinates, and connected into the center of light bar light bar center line then use the linear approximation algorithm will be the center line of the inflection point of light split into approximately Line: Finally, to meet the angle constraints and images from the origin to the approximate linear constraints collinear fusion center, for a total fusion center for straight line fitting the parameters of linear equation of light stripes. Platform: |
Size: 579584 |
Author:方芳 |
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Description: 图像的HESSIAN矩阵特征图像，从而可以针对特征值进行对图像增强-Characteristics of the image HESSIAN matrix image, which can target value of image enhancement features Platform: |
Size: 275456 |
Author:zzz |
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Description: 把图像放置在Gaussian Scale Space，并求出各层图像的Hessian 矩阵。 通过Hessian举证，来求出图像中的blob和ridge。-The image is placed in the Gaussian Scale Space, and calculate the Hessian matrix of the layers of the image. At last the blob and ridge of the image will be detected. Platform: |
Size: 4096 |
Author:Rui Xiong |
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Description: Calculate the eigenvalues of many 3x3 real symmetric matrices.-Calculate the eigenvalues of many 3x3 real symmetric matrices. Computation is non-iterative, based on fully vectorized matlab matrix operations, and GPU computation is supported. It is fast and efficient for processing a number of 3-by-3 matrices at once. This code particularly suits tensor/Riemannian calculus in 3D, visualization/analysis of volumetric tensor images, image Jacobian/Hessian analysis, stress/tensile strength computation on tensor fields, three dimensional diffusion processes, determining the rotation axes of a motion field, etc.... Platform: |
Size: 1024 |
Author:naud |
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Description: hessian矩阵在图像处理中的应用。根据图像所得函数，建立相应的hessian矩阵-hessian matrix in image processing applications. The resulting function according to the image, to establish the corresponding hessian matrix Platform: |
Size: 1024 |
Author:LT |
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Description: SURF算法作为一种新近出现的特征提取方法，在重复度、独特性、鲁棒性3个方面，均超越或接近以往提出的同类方法，并在计算效率上具有明显的优势。本代码采用SURF算法检测图像并进行坐标变换与图像拼接。
采用SURF算法对图像进行检测，其主要是用Hessian矩阵对图像进行检测，对图像的特征提取之后找到图像的特征点。之后采用最近临快速匹配（NN）、随机抽样一致性（RANSAC）算法和最小二乘法参数优化（LM）对特征点进行提纯匹配。最后在两幅图像中进行坐标变换，达到统一坐标系和图像拼接的效果。
-SURF（Speeded Up Robust Features） as a method of feature extraction which newly appeared is over or nearly previous method on duplication, uniqueness, and robustness and have a clear advantage on computational efficiency. This code uses the SURF and coordinate transformation algorithm to detect image and image matching.
This code uses the SURF algorithm of image detection, the main is to use the Hessian matrix of image for testing, to find the image after image feature extraction of feature points. After we used Nearest Neighbor (NN), Random Sample Consensus (RANSAC) algorithm and least square parameter optimization for purification of matching feature points. Coordinate transformation in the last two images, to coordinate system to achieve the same image stitching.
Platform: |
Size: 2070528 |
Author:马丁 |
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Description: This is achieved by relying on integral images for image convolutions by building on the strengths of the leading existing detectors and descriptors (in casu, using a Hessian matrix-based measure for the detector, and a distribution-based descriptor) and by simplifying these methods to the essential. This leads to a combination of novel detection, description, and matching steps. The paper presents experimental results on a standard uation set, as well as on imagery obtained in the context of a real-life object recognition application. Both show SURF’s strong performance.
-This is achieved by relying on integral images for image convolutions by building on the strengths of the leading existing detectors and descriptors (in casu, using a Hessian matrix-based measure for the detector, and a distribution-based descriptor) and by simplifying these methods to the essential. This leads to a combination of novel detection, description, and matching steps. The paper presents experimental results on a standard uation set, as well as on imagery obtained in the context of a real-life object recognition application. Both show SURF’s strong performance.
Platform: |
Size: 680960 |
Author:Amal |
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Description: hessian矩阵增强图像，在多个尺度上分别对图像进行增强并进行图像融合得到最终的增强图像-hessian matrix enhanced image, respectively, the image enhancement at multiple scales and get the final image fusion enhanced image Platform: |
Size: 1024 |
Author:葛欣 |
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Description: 基于海森矩阵的视网膜图像血管增强，用到特征值-Retinal vascular image enhancement based on hazen matrix, use characteristic value
Platform: |
Size: 3072 |
Author:周小妹 |
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Description: 对图像进行Hessian矩阵处理，由于二阶对噪声比较敏感，所以采用高斯平滑(The image is processed by Hessian matrix, because the two order is sensitive to noise, so Gauss smoothing is used.) Platform: |
Size: 40960 |
Author:Soryu20
|
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