... Andrey Nasonov, Andrey Krylov . Image metrics are used to objective compare two images. ... A. V. Nasonov , A. S. Krylov . Edge quality metrics for image enhancement // Pattern Recognition and Image Analysis , Vol. ... Finding Areas of Typical Artifacts of Image Enhancement Methods // Pattern Recognition and Image Analysis , Vol. ... Basic Edges Metrics for Image Deblurring // In: Proceedings of 10th Conference on Pattern Recognition and Image Analysis: New Information Technologies , Vol. ...
... Laboratory of Mathematical Methods of Image Processing . ... Andrey Nasonov, Andrey Krylov . ... The process of reconstructing a single high-resolution image from several low-resolution observations is called as superresolution. ... High-quality superresolution based on regularization methods. ... Superresolution for video sequences. ... PDF . ... Fast Super-Resolution from video data using optical flow estimation // In: Processings of IEEE International Conference on Signal Processing (ICSP'08) . ...
... Laboratory of Mathematical Methods of Image Processing . ... Low-complexity image interpolation algorithms for realtime video conversion. ... PDF . ... Edge-directed Image Interpolation Using Color Gradient Information // 16th International Conference on Image Analysis and Processing (ICIAP'2011), Lecture Notes in Computer Science , Vol. 6979, part 2, 2011, pp. ... Edge-preserving nonlinear iterative image resampling method // In: Proceedings of International Conference on Image Processing (ICIP'09)...
... Laboratory of Mathematical Methods of Image Processing . ... Deblurring in fundus images // In: 22-th International Conference on Computer Graphics GraphiCon'2012 . ... Using Blood Vessels Location Information in Optic Disk Segmentation // 16th International Conference on Image Analysis and Processing (ICIAP'2011), Lecture Notes in Computer Science , Vol. 6979, part 2, 2011, pp. ... Automated processing of retinal images // In: 21-th International Conference on Computer Graphics GraphiCon'2011 . ...
... Laboratory of Mathematical Methods of Image Processing . ... Image enhancement . ... Basic edges . ... Andrey Nasonov, Andrey Krylov . ... We consider the problem of evaluation of image enhancement algorithms like resampling, deringing, deblurring. ... A. V. Nasonov , A. S. Krylov . Edge quality metrics for image enhancement // Pattern Recognition and Image Analysis , Vol. ... Finding Areas of Typical Artifacts of Image Enhancement Methods // Pattern Recognition and Image Analysis , Vol. ...
... Activities . ... Laboratory of Mathematical Methods of Image Processing . ... Iris data pre-processing and parametrization by Hermite functions. ... Hermite projection method is used for human iris identification. Expansion of iris intensity information into a series of eigenfunctions of Fourier transform enables us to perform information analysis of the signal and its Fourier transform at the same time. Effectiveness of the method with test iris database images is shown. ...
... We develop a post-processing algorithm which enhances the results of the existing image deblurring methods. It performs additional edge sharpening using grid warping. ... The best results are achieved when grid warping is used as a post-processing method after global image deblurring methods. ... Method . ... PDF . ... Image warping as an image enhancement post-processing tool // In: Proceedings of 9th Open German-Russian Workshop on Pattern Recognition and Image Understanding (OGRW 2014) . ...
... Andrey Nasonov, Alexey Lukin, Andrey Krylov . ... Regularization methods are used to solve this problem. ... Deringing algorithm is applied after image resampling as a post-processing tool. ... The process of reconstructing a single high-resolution image from several low-resolution observations is called as superresolution. ... PDF . ... Edge-preserving nonlinear iterative image resampling method // In: Proceedings of International Conference on Image Processing (ICIP'09) . ...
... Laboratory of Mathematical Methods of Image Processing . Chair of Mathematical Physics . ... Krylov A.S. Lukin A.S. Nasonov A.V. Yurin D.V. Sorokin D.V. Yatchenko A.M. Staff (MPh chair) . ... Levashov A.E. Students . ... А. Е. Левашов , Д. В. Юрин . ... PDF . A. Levashov , D. Yurin . Ridge and tree feature detection on images // In: 11-th International Conference "Pattern Recognition and Image Analysis: New Information Technologies" , Vol. ... А. Е. Левашов . ...
... Laboratory of Mathematical Methods of Image Processing . ... Resampling & Superresolution . ... Andrey Nasonov, Alexey Lukin, Andrey Krylov . ... Deringing algorithm is applied after image resampling as a post-processing tool. ... The process of reconstructing a single high-resolution image from several low-resolution observations is called as superresolution. ... Edge-preserving nonlinear iterative image resampling method // In: Proceedings of International Conference on Image Processing (ICIP'09) ...
... Laboratory of Mathematical Methods of Image Processing . ... Image analysis . ... Keypoins & descriptors . ... Dmitry Sorokin, Andrey Krylov . Keypoints detection and local image descriptors construction is one of the basic problems in image analysis. ... Gauss-Laguerre Keypoints Descriptors for Color Images // In: Proceedings of Visual Communication and Image Processing (VCIP'2011) . ... Gauss?Laguerre?Hermite Method of Keypoint Extraction // Pattern Recognition and Image Analysis , Vol. ...
... Laboratory of Mathematical Methods of Image Processing . ... Image enhancement . ... Grid warping . ... It performs additional edge sharpening using grid warping. ... The best results are achieved when grid warping is used as a post-processing method after global image deblurring methods. ... Grid warping idea: . ... PDF . ... Image warping as an image enhancement post-processing tool // In: Proceedings of 9th Open German-Russian Workshop on Pattern Recognition and Image Understanding (OGRW 2014) . ...
... Laboratory of Mathematical Methods of Image Processing . ... Image analysis . ... Ringing effect . ... Ringing effect so known as Gibbs phenomenon in mathematical methods of image processing is the annoying effect in images and video appeared as rippling artifact near sharp edges. ... Ringing effect is usually introduced to image after different image processing algorithms. ... Scale-space method of image ringing estimation // In: Proceedings of International Conference on Image Processing (ICIP'09)...
... Laboratory of Mathematical Methods of Image Processing . ... Image preprocessing for color doppler flow antialiasing using power and complex phase data // In: Proceedings of International Conference on Signal Processing (ICSP2014) . ... Deringing of MRI Medical Images // Pattern Recognition and Image Analysis , Vol. ... Methods of noise filtering quality assessment for CT images // In: Proceedings of 15-th International Conference "Digital Signal Processing and its Applications" (DSPA'2013) , Vol. ...
... Laboratory of Mathematical Methods of Image Processing . Chair of Mathematical Physics . ... Reconstruction of a high-resolution image from a low-resolution image is a common problem in image processing. ... Reconstruction of a high-resolution image as a solution of ill-posed inverse problem to the reconstruction of a low-resolution image from high-resolution one. ... The process of recontructing a single high-resolution images from several low-resolution observations is called as superresolution. ...
Home . ... Activities . ... Laboratory of Mathematical Methods of Image Processing . ... Audio signals can be converted to a 2D representation ? ... Many image processing methods can be applied to spectrograms for the purposes of noise reduction, instrument extraction, identification. Multiresolution methods can improve precision of spectrogram analysis and reduce artifacts of a typical STFT processing, like ringing or energy smearing. ... Multiresolution analysis and processing . ...