Questions tagged [sketching]
32 questions
6
votes
0 answers
How can i determine the width and depth of a count-min sketch?
The width (number of buckets) and depth (number of hash functions) of a Count-Min sketch determine the accuracy of the frequency estimation retrieved.
From the 2005 paper of the original Count-Min authors:
The parameters w and d can be chosen by…
Dimitris Samaras
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4
votes
2 answers
How to restore a removed default stencil in Evolus Pencil?
I restored removed one of the default stencils from the Collection Pane (just clicked on the close icon). Is it deleted from the computer now or just invisible? I could download it from the Evolus Pencil Project download page. But can I also restore…
automatix
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3
votes
2 answers
visio stencil for Handdrawing web Mockup
Can any one suggest me a hand drawn/sketch formatted Visio stencil? i.e. One that looks like a hand drawn sketch. I have seen some Web UI wire frame done using some hand drawn tool which looks very much impressive when we can present the UI sketch…
pravat
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2
votes
0 answers
easy-sketch.js is supporting for mobile devices?
I have used easy-sketch.js for canvas drawing. I developed for both WEB and IOS. now I confused whether its working in IOS? because touch drawing is not working in easy-sketch?
can anyone suggest me the solution.
Gokul Kumar
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2
votes
1 answer
how to draw both image and sketch on canvas together
I want to draw an image to canvas and then allow user to draw some sketch on it by sketch.js. Now the situation is:
1.the image has been drawn on the canvas successfully
2. but when my mouse over the canvas, then image disappeared, and the…
sophia
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1
vote
1 answer
Photoshop-style brushes in OpenGL
I am trying to implement free-hand sketching (it should look like a pencil). I did some research and I'm surprised there is so little info about this on the internet. The best information I got was by drawing in Photoshop and observing the result. I…
Violin Yanev
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1
vote
0 answers
Not achieving convergence in iterative algorithm from paper
I am trying to implement Algorithm 6 (and eventually Algorithm 7) of the following paper - https://arxiv.org/pdf/1610.03045.pdf
Most of this seems fine but I don't understand why I am not achieving convergence in the $z$ variables. My code seems to…
charl
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- 7
1
vote
1 answer
Gnuplot: how to mimic sketch graphs
I want to plot a figure like this one:
but with only sketched data curves. The x and y axes should not be sketched.
Is this possible using Gnuplot?
Changwang Zhang
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1
vote
0 answers
Bézier curve for smooth sketch on monogame
I am a MonoGame developer,and I would like to draw a curve on the phone screen but, the curve isn't regular rather jerky and composed by several lines.
I used some codes like this:
First method draws the sprites evently spaced apart like this:
…
yagoub
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- 4
1
vote
1 answer
Convert image to pencil sketch in android
I have to convert an image to a pencil sketch in android.
I used the concepts of the cataleno framework and colorDodge function mentioned in one of the previous questions.
This is my function:
public void onBwClick(View v) {
Bitmap bm =…
user3217900
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1
vote
0 answers
Problems with my Drawing Arm System
I am currently building a project that allows the user to input an image, and then draw it using an arm made of servos. The language used is C#. The way the program works, is that the user uploads a picture, then the picture is processed using the…
user3212363
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- 1
1
vote
1 answer
Need A Draw/Sketch Algorithm For IOS
I'm working on a project in which I want to add a draw/sketch feature that draws by the user's touches on screen. That way they can make simple drawings on a view. This is a concept used in many picture apps (i.e. SnapChat). I've done many Google…
user2621075
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1
vote
1 answer
3D reconstruction from a wireframe sketch
I want to reconstruct the 3-D shape of an object based on a raw hand-drawn sketch. The sketch contains also the invisible lines of the object, and it is drawn on top of an already existing 3-D scene (of a city). I might be able to recover some 3-D…
Violin Yanev
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0
votes
1 answer
Recognizing line segments from a sequence of points
Given an input of 2D points, I would like to segment them in lines. So if you draw a zig-zag style line, each of the segments should be recognized as a line. Usually, I would use OpenCV's
cvHoughLines or a similar approach (PCA with an outlier…
Violin Yanev
- 1,507
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- 23
0
votes
1 answer
JS libraries for product sketching
I need help finding a good JS library that can create a product sketch like this:
Partition sketch. I am using Next.js, and are having toruble with most libraries since Next.js is using SSR and most graphical libraries run client side. I dont need…
