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Found 10 results

  1. This is a noise reduction filter for e.g. improving photos taken at high ISO values. It works by averaging similar texture patches to reduce noise and at the same time preserve edges and details. The plugin contains two filters available from the Effects | Noise menu. The Local Stats Denoising which is probably the most powerful but also a bit harder to setup and the Adaptive Noise Reduction which is an older version but easier to use. Download version 2.0.0 (2019-08-30) https://www.fosshub.com/Image-Analyzer-old.html?dwl=LocalStatsDenoisingFilterPDN2.0.0.zip Most of his plugins can be found in this zip. Unzip the file in the Paint.NET\Effects folder or Documents\paint.net App Files\Effects if PDN was installed from the Windows Store. If you like this, please consider donating to the author at http://meesoft.logicnet.dk/Analyzer/support.htm
  2. I couldn't help but notice that there are many PDN plugins that *utilize* Perlin noise, but none so far as I could tell, that generate it. Well, that's what this does. You can specify the size, and allowed angles of the underyling gradient that determines pixel color, as well as the color of the noise (default is black and white). It's not super glamorous, but I'm hoping cooler people than I who know how to use Perlin noise to make cool stuff can have an easier time now. Additionally, feel free to strip the Perlin function from the source code to use for your own projects. The code can be viewed here. It's open source, so have at it! The plugin will show up in Noise > Perlin Noise Here's a kind of boring image of the output: And here's a more exciting picture of colored output rendered as a map: Use it for quick textures, procedural generated levels, whatever you need! Hope it's useful perlin_noise.zip
  3. Hello, Here is a small plugin done with Codelab. It's my first plugin, I hope it will be useful for someone. If you have some feedback, don't hesitate. Nicolas JPGNoiseReduction.zip
  4. TR's Scatter Plugin A Directional Pixel Scattering filter designed to work with Layers and Transparency. Menu: Effects->Noise Version 1.3 Expanded Features Features include - longer spread distance - up to 10 layers of particles. Here's a simple tutorial on YouTube: http://youtu.be/wTShfLVD9_I The Code Hidden Content: // Submenu: Noise // Name: TR's Scatter // Title: TR's Scatter - v1.3 // Author: TechnoRobbo // URL: http://www.technorobbo #region UICode int Amount1 = 50; // [10,1000] Distance double Amount2 = 45; // [-180,180] Direction int Amount3 = 10; // [1,20] Spread double Amount4 = 50; // [0,100] Threshold int Amount5 = 1; // [1,20] Layers byte Amount6 = 0; // [255] Re-Generate #endregion void Render(Surface dst, Surface src, Rectangle rect) { dst.CopySurface(src,rect.Location,rect); double spread = Amount3 * Math.PI /180; double direction = Amount2 * Math.PI /180; double distance = Amount1; Random rndm = new Random((int)Guid.NewGuid().GetHashCode()); ColorBgra CP; double tmp; double tmp2; for (int y = rect.Top; y < rect.Bottom; y++) { for (int x = rect.Left; x < rect.Right; x++) { for (int i=0;i<Amount5;i++){ tmp= rndm.NextDouble() * spread + direction; tmp2=Math.Pow(rndm.NextDouble(),4) * distance; double nx = x + -Math.Cos(tmp) * tmp2; double ny = y + Math.Sin(tmp) * tmp2; CP = src.GetBilinearSampleClamped((float)nx,(float)ny); HsvColor hsv = HsvColor.FromColor(CP.ToColor()); if (hsv.Value > Amount4 && CP.A > 0){ dst[x,y] = CP; } } } } } TRs Scatter.zip
  5. Smooth noise (background image from Julia+) What's this? This is a noise generator that uses repeatable patterns and smooth formula. Two levels of grid: pattern and cell sizes. Download it! Plugin SmoothNoise.dll Here is the DLL http://jcljay.free.fr/pdn/SmoothNoise.zip The MadJik's All plugins package is available! http://forums.getpaint.net/index.php?showtopic=7186 How to install Close Paint.net Classic version of Paint.net Unzip and (re)place the DLL in your Effect folder usually: C:/Program Files/Paint.NET/Effects (please reverse / for correct path) Microsoft Store version of Paint.net Unzip and (re)place the DLL in your Effect folder usually: My Documents/paint.net App Files/Effects (please reverse / for correct path) You have to adapt for your language My Documents The User interface This plugin is added to the menu Effects, submenu Noise. Noise width / height Set the field of the randomized noise pattern. Reseed 0 is random free. Other values will give the same random pattern (one unique pattern per value). Noise mode Smooth is a formula to give pseudo random values. Turbulences mode uses normal random generator and the cells aren’t regular. Cell width / height Set the size of the cell of the grain. Effect Mix The source image is mixed with the rendered noise. 0% no effect, 100% no source. Blur You could apply a gaussian blur effect (because cells are too regular). Colored Gray levels are replaced by colors. TV Noise If checked, it adds some horizontal duration to the random values the result “could” be compared to a bad signal on (old) TV. Grid Add a grid with primary color to show the noise pattern size. The Examples: Voilà! Enjoy! Let me see what you could do with it!
  6. Auto Chrome Noise Effect Plugin Model / Result : ( original model from http://www.photo-libre.fr ) What's this? Autochrome is a primilary method to obtain colored photos. See the wiki for more info http://en.wikipedia.org/wiki/Autochrome_Lumi%C3%A8re This effect create a noise in Orange (25%), Green (40%) and Purple (35%) pixels. Mixed with/over picture it could give some old aspect... Download it! Plugin AutoChromeNoise.dll Here is the DLL The MadJik's All plugins package is available ! http://forums.getpaint.net/index.php?showtopic=7186 How to install Close Paint.net Classic version of Paint.net Unzip and (re)place the DLL in your Effect folder usually: C:/Program Files/Paint.NET/Effects Microsoft Store version of Paint.net Unzip and (re)place the DLL in your Effect folder usually: /My Documents/paint.net App Files/Effects/ You have to adapt for your language My Documents The User interface This plugin is added to the menu Effects, submenu Noise. Orange / Green / Purple %: ...you set the amount value of the basic colors. Back color %: ...This is the ratio for the back color as the grains shouldn't cover 100% of the picture, usualy 3%. This uses the primary color. Color Variation: ...you could add a random variation to the basic colors to make it less regular. Merge with image: ...This mixes the noise with the image if the color of autochrome and the color of the image are "similar", other pixels are turned to grey scale. red <--> orange, green <--> green, blue <--> purple Mask Orange-Green-Purple: ...If checked the image is replaced by the basic colors where the color of autochrome and the color of the image are "similar". Duration: ...This is a slider to make the basic colors remain stable in horizontal lines. Effect Mix: ...This is a slider to mix the final image with the orignal image to make the effect more or less subtile.
  7. The Kuwahara filter is a noise-reduction filter that preserves edges. It can also be used to create various artistic effects. This plugin is based off the Public Domain Kuwahara filter for ImageJ. Download: Kuwahara.zip Place Kuwahara.dll in your Effects folder. Effects->Noise->Kuwahara The Radius option controls the size of the filter sample area. The Use RGB channels option controls whether the plugin uses the RGB channels or the "brightness" (HSV Value) when calculating the output color. The image on the left is the original image, source: https://imagej.nih.gov/ij/plugins/kuwahara.html. The image on the right is after running the plugin with a radius of 7 and Use RGB Channels checked. Source Code: https://github.com/0xC0000054/pdn-kuwahara
  8. I made this plugin to get rid of random ink blots on scanned pages. There are two modes, one builds clusters of pixels outside tolerance of the secondary color, the other builds clusters of pixels within tolerance of the primary color. If the cluster is within the size thresholds, it is painted over with the secondary color. It's found under Effects/Noise Download: ClusterClearEffect.zip Example pics: The source code is available here: https://github.com/edwardx999/PaintDotNetClusterClear This is my first plugin (my first C# project, in fact) so it's not very advanced yet. If you have any suggestions please tell. Also, I couldn't find the formula Paint.Net uses to calculate tolerance, so if you know it, please tell me. 7/16/17 Added Clustering Modes and Linked Sliders 7/15/17 Initial Release
  9. Technorobbo's KlumpNoiz v1.1.0 Organic Abstract Pattern Maker Inspired by the story of the astronaut, Donald Pettit, on the international space station. Pettit figured out how planets had formed when he observed that similar matter clumps in zero gravity. Plugin lets noise clump together to create wild patterns. Updates version 1.1.0 updated Color Wheel to a Control (NoFlicker!!!!) Menu: Effects -> Noise Examples https://www.dropbox.com/s/fw53wikz1vask8m/NKexample8.png?raw=1 https://www.dropbox.com/s/cri7lvq701entnk/NKexample7.png?raw=1 https://www.dropbox.com/s/f9u7rv8h5xlb7um/NKexample6.png?raw=1 https://www.dropbox.com/s/s2cm24m14ln5ux1/NKexample5.png?raw=1 https://www.dropbox.com/s/c9i300rl5yatrm2/NKexample4.png?raw=1 https://www.dropbox.com/s/ors5mu2ms7jfrtg/NKexample3.png?raw=1 https://www.dropbox.com/s/bwzlioayojlmhsd/NKexample2.png?raw=1 https://www.dropbox.com/s/5slxnpmocoyckug/NKexample1.png?raw=1 The Plugin KlumpNoiz.zip The VS Source Code for Programmers KlumpNoizSrc.zip
  10. This effect generates "film grain" (or luminance grain). Use it to add some character to otherwise boring-smooth digital image. Especially suitable for black and white photos. Find it as Effects > Noise > Grain Download as part of my plugin pack. Controls Amount – amount of grain. Balance – grain distribution across image brightness. "Shadows" applies more grain to dark parts, "Highlights" applies to bright parts. Tech stuff: basically it uses built-in noise effect at zero saturation, but allows additional balancing of noise level between shadows and highlights.
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