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SURE.rar
applies soft-threshold t to all elements of x and computes SURE
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minriskthr.rar
inds minimum risk soft threshold for noise-free coefficients
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otsu.rar
Compute a segmented image (Iseg) containing n classes by means of Otsu s n-thresholding method (Otsu N, A Threshold Selection Method from Gray-Level Histograms, IEEE Trans. Syst. Man Cybern. 9:62-66 1979).
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vi2.zip
... can performed,
PERFL2 give compression score.
Then reconstruction can be performed.
Each decompsition we can choose different threshold values.
For each threshold value we can calculate mse,psnr,pq(picture quality),
bit ratio etc. To get pq install ...
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noisecomp.rar
... , and unlike existing techniques, ensures that phase information is preserved in the image. Phase information is of crucial importance to human visual perception. Also, this code does have an effective way of determining threshold levels automatically.
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pieflab.zip
... algorithm for images
％ Noise/ : noise generation, density/distribution functions
％ Tests/
％ Threshold/ : threshold procedures (includes threshold assessment)
％ WT/ : Wavelet Transform routines
％ Poisson/ : Poisson intensity estimation routines
％ ...
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NoiseReduction_v1.rar
... 讯)
你可以直接点选Noise Reduction观看结果
也可以先调整旁边的threshold，观看不同threshold下去除杂讯的效果。
本程式利用统计理论，在去除杂 ...
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WirelessNetworkingLab106RateControl.rar
This exercise is aimed at exploring how rate control and adaptation of carrier sense threshold can affect spatial reuse (and hence aggregate throughput) in a multi-hop network.
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