binimage | Create an image from the binary data of a file | Continuous Deployment library
kandi X-RAY | binimage Summary
kandi X-RAY | binimage Summary
Create an image from the binary data of a file.
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QUESTION
I have a barcode and I would like process it in matlab and calculate the width of each bar in a 1-D barcode in pixels.
I have tried converting the image to gray scale through graythresh level and converted it to binary as well.
...ANSWER
Answered 2019-Oct-15 at 09:17Assuming that you alread have the regionprops of the bars the width can be easily obtained through
QUESTION
I'm working on android app, which determines which font is used on a text image. So I need to extract every character from image and don't know how to do it precisely. Furthermore, when I'm trying to process an image I have one result...but my classmate has different (for example, more or less noise). The problem with character detection is that:
1) it detects also some noise blobs on image and shows it in rectangles (I thought about detectMultiScale... but I have doubts about it, maybe there are easiest ways to detect characters)
2) it detects several contours of one character (for example inner and outer radius of letter "o")
And question for the future: I'm going to create a DB with images (for now just 3 fonts) of different letters of fonts and compare them with an image of letters from photo. Maybe someone could recommend a better way to do it.
So this is part of code with image processing(I'm still playing with values of blur, threshold and Canny... but there was no really positive result):
ANSWER
Answered 2017-Jun-22 at 17:50Your code is fine, you just need to make a minor tweaks to get it work properly.
Firstly, the image size is very large, you can safely reduce it to 20% of current size without suffering a major loss in accuracy. Due to larger image size all the functions would perform slower.
You dont need to perform adaptive threshold before Canny, canny works perfectly on gray-scale images as well, You need to adjust the params as:
QUESTION
I have controller action below in asp.net
...ANSWER
Answered 2017-Apr-06 at 05:46You can try this:
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