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Questions tagged [motion-blur]

"Motion blur is the apparent streaking of moving objects in a photograph or a sequence of frames, such as a film or animation. It results when the image being recorded changes during the recording of a single exposure, due to rapid movement or long exposure." -- Wikipedia

Motion blur is the apparent streaking of moving objects in a photograph or a sequence of frames, such as a film or animation. It results when the image being recorded changes during the recording of a single exposure, due to rapid movement or long exposure.

Source: https://en.wikipedia.org/wiki/Motion_blur

56 questions
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Improve Tesseract OCR results with blurred text

I am working on OCR recognition of printed text. In particular I am focusing on the preprocessing step to improve the results of the Tesseract engine. I have already obtained good results with adaptive thresholding, noise removal, text deskew,…
Marco Ancona
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CSS blur only in one direction (motion blur)

I need to dynamically blur an image on my page, but only along one axis (Y specifically). So here are my requirements: Has to be done "live" (I can't pre-render a blurred version of the image) Like I said, only on the Y axis (like a motion blur,…
daGUY
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How to remove distortion due to motion, from an image

I am trying to track motion of a toy car. I have recorded few videos and now trying to calculate rotation. My problem is extracting features from object surface is quit challenging due to motion blur. Below image shows a cropped image from a video…
Niroshan
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Motion blur in Flutter?

I have been using Google Flutter for a recent project. And was wondering if we can apply motion blur in the widget animation. It just makes animations more realistic and soothing. I couldn't find any resources available regarding this. Has anyone…
Sahaj Rana
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Wiener Filter for image deblur

I am trying to implement the Wiener Filter to perform deconvolution on blurred image. My implementation is like this import numpy as np from numpy.fft import fft2, ifft2 def wiener_filter(img, kernel, K = 10): dummy = np.copy(img) kernel =…
yc2986
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How to blur some portion of Image in Android?

I am working in a project where I have to show some portion of the image clear and make rest part of the image blur. The blur should be managed by slider. Means it can be increase or decrease. The final result image should look alike below. During…
Sanchit Paurush
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Better canvas motion blur

It's been asked before, but the accepted solution doesn't work for me (literally, nothing is blurring for me in the linked demo), and it's a bit of a kludge involving two canvas elements. I'm currently using the "poor man's" motion blur technique,…
Dagg Nabbit
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OpenGL Dynamic Object Motion Blur

I've been following the GPU Gems 3 tutorial on how to blur based on camera movement. However I'm wanting to implement a blur based on object movement too. The solution is presented in the article (see quote below), however I'm curious as to how…
Aequitas
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How can I detect if a picture is blurry with Javascript?

I have a jpeg data url in a javascript string. Is there a way I can detect the "blurriness" of the picture? The pictures come from a video that is being processed in-browser. I understand that it isn't simple, and there is no definitive standard of…
Matt Votsikas McLean
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2D motion blur solutions

I'm thinking of chucking motion blur into my 2D program, but I doubt the results of my current algorithm. My approach looks like this at the moment: Draw to backbuffer. When time to update front buffer, blend the backbuffer onto the front…
Skurmedel
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How to apply a motion-blur in javascript/jquery?

I'm wondering how to make a motion blur in javascript/jquery. I've an horizontal gallery and I want to apply the motion blur when the images are moving. Actually, It works perfectly with that way : an overlay image with a motion blur (photoshop)…
Tib
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OpenGL Motion blur with the accumulation buffer in WxWidgets

I'm trying to achieve a motion blur effect in my OpenGL application. I read somewhere this solution, using the accumulation buffer: glAccum(GL_MULT, 0.90); glAccum(GL_ACCUM, 0.10); glAccum(GL_RETURN, 1.0); glFlush(); at the end of the…
Klaus
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Qt motion (linear) blur

Is there simple solution to add motion blur to an image in Qt? Haven't found any good tutorial about blur. I need something really simple, that I could understand, and would really good if I could change blur angles.
Julius Degutis
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How is this blur effect done in javascript?

http://wowslider.com/jquery-image-rotator-terse-blur-demo.html I can't find any blur-related CSS 3 property. And they don't appear to be using Flash..
thelolcat
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Laplacian Blur Detection Fails on Image

OpenCV newbie here. The result that I get after applying Laplacian filter for detecting blur as mentioned here https://www.pyimagesearch.com/2015/09/07/blur-detection-with-opencv/ and in various other sources is not good at all since the value is…
stepovr
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