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readme.txt
WaveletReducer 0.4.1 By Mr.Ty
WaveletReducer.DLL is the aggregate using Wavelet of NR function.
Although the author is developing / testing based on Avisynth2.0x, the thing once compiled by the header for 2.5x is also attached.
It is [ the following and ] explanation of a rough function.
waveletReducer : It is NR filter using Wavelet degeneration.
Wavelet degeneration In order to cut and reconstruct the energy considered to be a noise State which required the film with thin NR result like usual 2D NR ‚É‚Í -- it is hard to become and becomes easy to be finished on the screen felt more refreshed, However, an outline will be ruined if side effects take a large è‡ value by slight size.
wavelet2D NR : It is 2D NR using the sub band decomposition by Wavelet conversion.
The difference from other 2D NR is the point that a è‡ value can be adjusted for every frequency.
As [ say / that color MURA of 4Dot units is taken without breaking down the pattern of 1Dot unit ]
It is helpful to a case.
Wavelet degeneration was used although there were also few side effects. In NR, it was different, the noise signal has only melted into the surroundings, and it is in a noise. Since it remains as it is, as for the increased energy, a thin film completion It becomes easy to become textures which covered the whole.
Detailed explanation of each function should look at each document (waveletReducer.txt, wavelet2DNR.txt).
Travels :
2003.03.16: Ver0.4.1 :
the place investigated in response to the report that there is no object for 2.5x in skillful ‚_“® -- somehow -- sauce -- a part -- The alteration corrected by necessity. The thing which release without testing, which will be dispelled and to say Happening is the grade which test environment cannot prepare satisfactorily although it understands. Please understand the situation. The maximum level value of wavelet2D NR was changed into 4. ‚Æ -- or it says -- the last version -- level 5 the value of something that is on some memory by the judgment of threshold6 when it carries out -- referring to -- suitable -- it is said that NR will be hung -- it was fearful This differs from waveletReducer. It is what happens in order to perform NR also in the time of a level 0 using threshold1. threshold 1-5 is a level. Since it used up by 4, the maximum level value was set to 4. Increasing one threshold, a level is 5. Although possibly there was also a method of as, since I felt that there was nothing a meaning not much.
2003. 03.15;Ver0.4.0 :
When performing Wavelet degeneration, it is the kind (whether it says, length) of Mother wavelet. It turns out that it is necessary to change restriction of how far to NR. It is an incoming signal in fact. It is necessary to protect the part from the last element to the length of the Mother wave let / 2-1. And it changes such. With the old way, they are Mother wave let other than type0.type1. It was lost although the interference wave had occurred in the screen left and the top when chosen. type5 was added to the kind of Mother wave let. It is a è‡ value, so that a type value is large. When it raises, it becomes easy to prevent an outline becoming square. Since ‚ª and calculation time increase It becomes heavy. The version was set to 0.4.0 in accordance with the wavelet2DNR function addition. The waveletReducer itself It has not escaped from the research stage yet.
2003.03.08: Ver0.3.5 :
In case the result which carried out Wavelet reverse conversion is returned as an image, 1 figure is rounded off below a decimal point. Having forgotten is revealed and it corrects confusedly. Block noise generated in this cause I think that it will be. The binary for avisynth2.5 was also appended. However, my PC for development is fundamentally. Since there is only one set and Avisynth2.07 is put in usually, move by the object for Avisynth2.5 perfectly. It cannot check in how. Those who use by the reason for saying need your help by accountability.
2003.03.06: Ver0.3.4 :
When the direction of Y has a large level number setup, the bug to which the image was confused is corrected. Work domain which must be initialized before carrying out NR of the direction of length at mode 3:00 The bug which was not initialized is corrected. The bug which was carrying out the memory leak of the 2kByte(s) at the time of class deletion is corrected after class creation. mode4 is established newly. It is whether the roughness of an outline became MASHI to some extent by this. Although considered, how is it? if the Mother wave let is set to type4 etc. Since there will be a total of four Wavelet deployment values which affect a certain block since a result becomes complicated and mysterious also as for simple operation, while expecting a result -- program carrying out -- inside ?X -- it is difficult work Although it is continuation of trial and error, it is .... somehow or other.
2003.03.03: Ver0.3.3 :
It stopped having carried out Wavelet deployment lengthwise to the horizontal Wavelet deployment value. For this, a rabbit will also be an angle, if it uses for picture compression semantically, although it becomes slanting Wavelet deployment. I felt that there was nothing in a noise filter a meaning, and a slanting Wavelet deployment value is received above all. Since I felt that NR had produced the present condition of being unusually weak, to the slanting line, it cannot take. It stopped. Since a vertical Wavelet deployment speed doubles by this, it is also a speed rise certainly. It should be connected. Generally, it does and ‚È‚¢‚Á‚Û‚¢ and Wavelet deployment slanting also at certain Type-G is ?B.
2003.03.03: Ver0.3.2 :
The procession hung by mode3 is changed into the procession of 3*3 from the procession of 5*5. While the checks of edge are as few as the effect which was too severe and which eases it since like I think that a speed rise is expectable. It is a open start to 2ch(es). Now, thing which what denunciation and influence come ....
2003.03.02:Ver0.3.1 :
mode3 establishment. Although it is considering as middle upgrade whenever mode increases Probably, there is no it for a while from now on. While mode is for a while, it thinks that it is the close in three. A vertical Wavelet deployment value is that only root 2 are large after deployment of this horizontal level. Vertical NR is that forget and only 1/root 2 had stopped being able to be effective easily from horizontal NR until now. It corrected.
2003.02.23: Ver0.2.1 :
The state of a screen end was changed so that the data in front of a screen end might be repeated. Thereby, the outline roughness which had come out at the screen end may be improvable. mode2 was established newly. Although it is Wavelet degeneration by Soft Thresholding The NR effect is appearance [ raise ] too. However, it is perfunctorily about a parameter setup. It will carry out, or it becomes, and since it will be severe, cautions are required. usual [ BOKA / for the time being / if what relation for two points is / still / usual ] what is better than 2D NR -- ‚©‚È‚Ÿ -- ? -- I consider Since threshold stopped calling NR processing to the level of 0, it is threshold1. When it was 0, possibly it has accelerated comparatively effectively. It is w which became 0 recommendation by the reason for saying unless especially threshold1 had the reason. It was made not to NR to the screen end. Even if it repeats the data in front of a screen end Although it is the thing [ like ] which had still detected edge at the screen end, mere a few is also now. If it becomes MASHI ....
2003.02.21:Ver0.1.2 :
The portion which was being calculated by double is changed into float. It accelerates merely slightly. However, the possibility ant of error accumulation. It corrects having processed by the bug to the portion which must not be processed. It corrected, although processing of a screen end must have been amusing until now. 768 was added to the breadth size after regular-izing. This Grade improvement in the speed which has received the input of 704 and the breadth size of 720 was attained. although eight or more levels are not made since it is not the multiplier of 2 -- primarily -- Since it does not correspond in a level 8 etc. from the beginning, it is not related. The portion returned to a screen also rewrites a calculation value by C++ to C, and it is VectorC. It changes so that it may compile. The conversion to int from a float value is even slight. It should become quick and this should also contribute to some speed rises.
2003.02.20: Ver0.1.1 :
mode1 addition.
Already [ the name of WaveletReducer to ] is derailment feeling. ‚Á‚Ä‚¢‚¤ or ‚Á‚Ä taken out the functional addition version within the day is how -- a thing not the knowledge that depends mode1 from a book for the time being but mounting from a flash it is -- it will be satisfied only with things It is the method by which it was all known in fact. Mind [ like ] has not been carried out, either.
2003.02.20: Ver0.0.1 : Reference-mounting. There is neither what •Ï“N nor –Ê”’‚Ý nor the feature.
2003.02.09: Ver0.0.0 :
Technical investigation start of wavelet deployment.
It creates by the name of wavelet_test.
It is made to degenerate by hard threshold.
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