声明
ACKNOWLEDGEMENTS
ABSTRACT
摘要
Table of Contents
List of Figures
1 General Introduction
1.1 Baekground
1.2 Related Works
1.3 Research challenges
1.4 Prime work and structure
1.4.1 The main work
1.4.2 The structure
2 Gradient Minimization method
2.1.Introduction
2.2 Edge-preserving image smoothing
2.2.1 Anisotropic diffusion
2.2.2 Robust anisotropie diffusion
2.2.3 Bilateral filtering
2.2.4 Edge-preserving smoothing as robust statistical estimation
2.3 Feature-preserving surface smoothing
2.4 L0 gradient minimization
3 Segmentation technology of snow video images
3.1 Introduction
3.2 Image preprocessing
3.2.1 Smoothing and enhancement analysis of the image
3.3 Snow segrnentation from Video Image using Sobel filtering
3.3.1 Introduction
3.3.2 The principle of edge detection
3.3.3 An edge detection model based on sobel operator
3.3.4 Snow segmentation using Sobel filtering method
3.3.5 Segmentation results
3.4 Segmentation results analysis
4 Snow removal from video image using the L0 gradient minimization method
4.1 Introduction
4.2 Smoothing operation for snow removal
4.2.1 Smoothing Operation
4.2.2 Smoothing in 1D
4.2.3 Smoothing in 2D
4.2.4 Contrast Enhancement
4.3 Snow removal results
4.4 Snow removal results analysis and comparison
5 Conclusion and Recommendation
5.1 Conclusion
5.2 Recommendation
References
Appendix
Curriculum Vitae
Thesis Data Form