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39 views

Using neural networks for rotation invariant OCR

I have video with text which can be rotated in any direction. If I trained a neural network on images of each letter at all possible degrees of rotation, would it be possible to classify the ...
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30 views

For edge-enhanced MSER, how do I prune along gradients?

I'm trying to implement the approach outlined by Chen et al. in Robust Text Detection in Natural Images with Edge-Enhanced Extremal Regions, but I've run into an issue: In section 2.1, the authors ...
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30 views

which spatio-temporal properties does dynamic textures exhibits?

know that dynamic textures are spatially repetitive and temporally varying patterns. 1.I read one sentence in one paper i.e. They are sequences of frames exhibiting certain stationarity properties ...
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1answer
54 views

What is a low-pass filter for a sequence of tuples?

I am currently reading SEGMENTATION AND RECOGNITION OF SYMBOLS WITHIN HANDWRITTEN MATHEMATICAL EXPRESSIONS. There is one sentence I don't understand: The preprocessing stage is subdivided into ...
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35 views

base curve detection and skew estimation in Binary Document analysis

In document image analysis i came across two differnet sets of literatures. One is skew estimation of text lines and other is base curve detection of text lines. My questions are:- How the two ...
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1answer
96 views

Base line detection of text lines

I came across various works in the literature of document analysis addressing the problem of detecting base lines of multioriented texts. But no amount of search could give me satisfactory answer to ...
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144 views

Detecting Arabic verses spanning multiple lines

I need to build a Quran app and I want to read out the verses when a user touches it. The problem I'm facing is that some verses may expand to one and half lines (highlighted red verse) or just fit in ...
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3k views

Text recognition for Android app

I´d like to use some OCR algorithm (Image to Text) into an Android app (Java). I have previously used several algorithms but for a PC (Matlab) app. Which library or algorithm should I use? ...