# Probabilistic Tensor Train Completion based on Gaussian-product-Gamma Prior, with Automatic Rank Estimation
## Functions
- demo_rank_accuracy_test.m
Run this demo to test the accuracy of the rank estimation. It randomly generate noise 10 times and tests VITTC for different settings.
- demo_image_completion.m
Run this demo to test VITTC on image completion. The provided image in "TestImages/missing_rate80_1.mat" is the 'jellybeans' image.
- f_tensorfolding/
Includes functions for ket-folding and the improved ket-folding in the reference.
- f_vittc/
Includes functions realizing the variational inference algorithms proposed for the probabilistic tensor train model.
- f_datageneration/
Includes functions that generate synthetic data.
- f_perfevaluate/
Includes functions that evaluate the performance of the recovered tensor.
- TestImages/
A 'jellybeans' image, and a mask with 80% entries missing
- experiment results/
A folder used for storing results.
### Reference
[1] Xu, L., Cheng, L., Wong, N., & Wu, Y. C. (2020). Learning tensor train representation with automatic rank determination from incomplete noisy data. arXiv preprint arXiv:2010.06564.
[2] Xu, L., Cheng, L., Wong, N., & Wu, Y. C. (2021, December). Overfitting Avoidance in Tensor Train Factorization and Completion: Prior Analysis and Inference. In 2021 IEEE International Conference on Data Mining (ICDM) (pp. 1439-1444). IEEE.
[3] Xu, L., Cheng, L., Wong, N., & Wu, Y. C. (2023). Tensor train factorization under noisy and incomplete data with automatic rank estimation. Pattern Recognition, 141, 109650.
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基于高斯积Gamma先验的概率张量序列完备化及自动秩估计matlab代码.zip
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1.版本:matlab2014/2019a/2021a 2.附赠案例数据可直接运行matlab程序。 3.代码特点:参数化编程、参数可方便更改、代码编程思路清晰、注释明细。 4.适用对象:计算机,电子信息工程、数学等专业的大学生课程设计、期末大作业和毕业设计。
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基于高斯积Gamma先验的概率张量序列完备化及自动秩估计matlab代码.zip (22个子文件)
基于高斯积Gamma先验的概率张量序列完备化及自动秩估计matlab代码
PTTC-main
f_datageneration
noise_generate.m 664B
tt_generate.m 2KB
TestImages
missing_rate80_1.mat 228KB
demo_rank_accuracy_test.m 5KB
f_perfevaluate
rse_score.m 340B
psnr_score.m 376B
ssim_index.m 7KB
experiment results
.emptyplaceholder 0B
f_vittc
rank_reduce_relative_ind_Power.m 4KB
update_lambda_indpd_C_var.m 2KB
update_tau_indpd_C_var.m 919B
VITTC.m 7KB
VITTC_initialize_indpd.m 3KB
update_gcore_indpd_C_var.m 5KB
tt2full.m 359B
rank_reduce_relative_indpd_C_var.m 3KB
README.md 2KB
demo_image_completion.m 3KB
f_tensorfolding
tensor2mat.m 1KB
dup_clear.m 3KB
mat2tensor.m 1KB
dup_folding.m 4KB
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