tree pencil sketch

); %subplot (2, 5, a), Imshow (I0); End I0 = ((double (back)/255). ^ backdepth); %figure, Imshow (I0); I0 = uint8 (I0 * 255); Imwrite (I0, ' new_texture.jpg ');% begins calculation of P. ^β= J in β-matrix theta = 0.2; P = im2double (Imread (' new_texture.jpg ')); J = im2double (Imread (' tone.jpg '));% initialized to vector convenient calculation p = imresize (P, [H, W]); p = Reshape (P, h*w, 1); Logp = log (P); Logp = SPDiags (LOGP, 0, H*w, h*w); j = Imresize (J, [

　　Links to related papers: combining Sketch and Tone for Pencil Drawing ProductionThe first time to see "combining Sketch and Tone for Pencil Drawing Production" a article in two years ago, feel free to look at, think of the formula in the paper more, thought to achieve a certain degree of difficulty, did not go to scr

To the users of Photoshop software to explain the detailed analysis of the rapid conversion of characters to pencil sketch effect of the tutorial. Tutorial Sharing: Using PS to make a sketch of the effect of the method is very much, but many times we found that following the tutorial steps to do after our results are often unsatisfactory, this

For users of Photoshop software, let's say a tutorial on making pencil sketches with filters. Tutorial Sharing: Final effect: One, the picture source Step 01 From the selection of the source of the picture, to make the sketch effect of the character picture is best white clean background, the picture of the light can not be too dim, the whole picture has

To the users of Photoshop software to explain the detailed interpretation of the rapid conversion of the character picture into pencil sketch tutorial. Tutorial Sharing: 1, the prepared picture in the PS inside Open, perform ctrl+j copy layer, perform ctrl+shift+u color--the following figure 2, select Layer--perform ctrl+j copy once--ctrl+i reverse phase, 3, change the layer of the

Pencil sketch is a very unique effect, so do not want to know how to use PS to convert ordinary photos to this effect, the following let small series to tell you: This tutorial is very simple, I believe you will soon be able to learn, first look at the original image and effect map: Step 1 To open the photo you want to add the effect to, it is best to choose a photo with 6 million pixels

To the users of Photoshop software to explain the detailed analysis of the rapid conversion of characters to pencil sketch effect of the tutorial. Tutorial Sharing: 1, the prepared picture in the PS inside Open, perform ctrl+j copy layer, perform ctrl+shift+u color--the following figure 2, select Layer--perform ctrl+j copy once--ctrl+i reverse phase, 3, change the layer of the

Using PS to make a sketch of the effect of the method is very much, but many times we found that following the tutorial steps to do after our results are often unsatisfactory, this PS tutorial is relatively fast and simple to the character picture into pencil sketch. The main use of the PS inside the mixing options to control the anti-white too much of the situat