Publications

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1997
Hassanien, A. E., and H. T. A. K. A. H. A. S. H. I. M. NAKAJIMA, "Image Metamorphosis based on Elastic Body Spline and Snake Model", 映像情報メディア学会技術報告, vol. 21, no. 42: 一般社団法人映像情報メディア学会, pp. 25–30, 1997. Abstract
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Hassanien, A. E., and M. Nakajima, "Image morphing with snake model and thin-plate spline interpolation", Voice, Video, and Data Communications: International Society for Optics and Photonics, pp. 407–416, 1997. Abstract
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Hassanien, A. E., H. Takahashi, and M. Nakajima, "Semiautomatic feature specification based on snakes for image morphing", Optical Science, Engineering and Instrumentation'97: International Society for Optics and Photonics, pp. 494–502, 1997. Abstract
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1998
Karam, H., A. E. Hassanien, and M. Nakajima, "15-1 Polar Decomposition Interpolations for Linear Fractal Metamorphosis", 映像情報メディア学会年次大会講演予稿集, no. 1998: 一般社団法人映像情報メディア学会, pp. 200–201, 1998. Abstract
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Hassanien, A. E., H. Karam, and M. Nakajima, "15-2 Image Metamorphosis for Inter Slice Interpolation of Medical Images", 映像情報メディア学会年次大会講演予稿集, no. 1998: 一般社団法人映像情報メディア学会, pp. 202–203, 1998. Abstract
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Hassanien, A. E., and M. Nakajima, "7) Image Morphing by using Thin Plate Spline Transformation and Snake Model", 映像情報メディア学会誌: 映像情報メディア, vol. 52, no. 6: 一般社団法人映像情報メディア学会, pp. 833, 1998. Abstract
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Hassanien, A. E., and M. Nakajima, "An efficient cross-dissolve transformation with alastic body spline warping interpolation for facial image morphing", Machine Graphics and Vision, vol. 7, no. 1/2, pp. 397–406, 1998. Abstract
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Karam, H., A. Hassanien, and M. Nakajima, "Fractal Animation Metamorphosis Based on Polar Decomposition", ICAT, vol. 98, pp. 40–46, 1998. Abstract
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Hasnine, A. E. H. H. K., and A. M. NAKAJIMA, Generation of Missing Mcdical Slices Using Morphing Technology, , 1998. Abstract
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Hassanien, A. E., and M. Nakajima, "Image Morphing by using Thin Plate Spline Transformation and Snake Model", 電子情報通信学会技術研究報告. EID, 電子ディスプレイ, vol. 97, no. 527: 一般社団法人電子情報通信学会, pp. 43–48, 1998. Abstract
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Hassanien, A., and M. Nakajima, "Image morphing of facial images transformation based on navier elastic body splines", Computer Animation 98. Proceedings: IEEE, pp. 119–125, 1998. Abstract
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Sato, M., A. E. Hassanien, and M. Nakajima, "Non-Linear Image Registration: Combining Viscous Fluid Deformations and Elastic Body Splines", 映像情報メディア学会技術報告, vol. 22, no. 45: 一般社団法人映像情報メディア学会, pp. 1–6, 1998. Abstract
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Karam, H., A. E. Hassanien, and M. Nakajima, "Petri Net Modeling Methods For Generating Self-Similar Fractal Images", 映像情報メディア学会技術報告, vol. 22, no. 45: 一般社団法人映像情報メディア学会, pp. 13–18, 1998. Abstract
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Aboul-Ella, H., and M. Nakajima, "Image metamorphosis transformation of facial images based on elastic body splines ", Signal Processing , issue Volume 70, Issue 2,, pp. 129–137 , 1998. Abstracts01651684.gifWebsite

In this paper, we propose a new image metamorphosis algorithm which uses elastic body splines to generate warp functions for interpolating scattered data points. The spline is based on a partial differential equation proposed by Navier that describes the equilibrium displacement of an elastic body subjected to forces. The spline maps can be expressed as the linear combination of an affine transformation and a Navier spline. The proposed algorithm generates a smooth warp that reflects feature point correspondences. It is efficient in time complexity and smoothly interpolated morphed images with only a remarkably small number of specified feature points. The algorithm allows each feature point in the source image to be mapped to the corresponding feature point in the destination image. Once the images are warped to align the positions of features and their shapes, the in-between facial animation from two given facial images can be defined by cross dissolving the positions of correspondence features and their shapes and colors. We describe an efficient cross-dissolve algorithm for generating the in-between images

Karam, H., A. E. Hassanien, and M. Nakajima, "Petri Net Modeling Methods for Generating Self-Similar Fractal Images (マルチメディア情報処理研究会)", 映像情報メディア学会誌: 映像情報メディア, vol. 52, no. 12: 一般社団法人映像情報メディア学会, pp. 1807, 1998. Abstract

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Hassanien, A. E., and M. Nakajima:, "Image Morphing of Facial Images Transformation based on Navier Elastic Body Splines", IEEE Computer Animation (CA'98) , Philadelphia, Pennsylvania, USA,, 8-10 June,, 1998. Abstract

We propose an image morphing algorithm which uses Navier elastic body splines to generate warp functions for interpolating scattered data points. The spline is based on a partial differential equation proposed by Navier that describes the equilibrium displacement of an elastic body subjected to forces. The spline maps can be expressed as the linear combination of an affine transformation and a Navier interpolation spline. The proposed algorithm generates a smooth warp that reflects feature point correspondences. It is efficient in time complexity and smoothly interpolated morphed images with only a remarkably small number of specified feature points. The algorithm allows each feature point in the source image to be mapped to the corresponding feature point in the destination image. Once the images are warped to align the positions of features and their shapes, the in-between facial animation from two given facial images can be defined by cross dissolving the positions of correspondence features and their shapes and colors. We describe an efficient cross dissolve algorithm for generating the in-between images

Hassanien, A. E., H. Karam, H. Akter, and M. Nakajima:, "Generation of Missing Medical Slices Using Morphing Technology", Proceedings of IAPR Workshop on Machine Vision Applications, MVA 1998,, Chiba, Japan, November 17-19, 1998.
1999
Karam, H., A. - E. Hassanien, and M. Nakajima, "Animation of linear fractal shapes using polar decomposistion interpolation", Journal of ITE, vol. 53, no. 3, 1999. Abstract
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Hussein, H. K., A. - E. Hassanien, and M. Nakajima, "Escape-Time Modified Algorithm for Generating Fractal Images Based on Petri Net Reachability", IEICE TRANSACTIONS on Information and Systems, vol. 82, no. 7: The Institute of Electronics, Information and Communication Engineers, pp. 1101–1108, 1999. Abstract
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Hassanien, A. - E., and M. Nakajima, "Feature-specification algorithm based on snake model for facial image morphing", IEICE transactions on information and systems, vol. 82, no. 2: The Institute of Electronics, Information and Communication Engineers, pp. 439–446, 1999. Abstract
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Karam, H., A. - E. Hassanien, and M. Nakajima, "Graph grammar algebraic approach for generating fractal patterns", WSCG99 Inter. Conf., Czech Republic, pp. 492–500, 1999. Abstract
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Sato, M., A. E. Hassanien, and M. Nakajima, "Nonlinear registration of medical images using Cauchy-Navier spline transformation", Medical Imaging'99: International Society for Optics and Photonics, pp. 774–781, 1999. Abstract
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Hussein, H. K., A. - E. Hassanien, and M. Nakajima, "Regular Section-PAPERS-Image Processing, Computer Graphics and Pattern Recognition-Escape-Time Modified Algorithm for Generating Fractal Images Based on Petri Net Reachability", IEICE Transactions on Information and Systems, vol. 82, no. 7: Tokyo, Japan: Institute of Electronics, Information and Communication Engineers, c1992-, pp. 1101–1108, 1999. Abstract
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Hassanien, A. - E., and M. Nakajima, "Regular Section-PAPERS-Image Processing, Computer Graphics and Pattern Recognition-Feature-Specification Algorithm Based on Snake Model for Facial Image Morphing", IEICE Transactions on Information and Systems, vol. 82, no. 2: Tokyo, Japan: Institute of Electronics, Information and Communication Engineers, c1992-, pp. 439–446, 1999. Abstract
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