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Questions tagged [omr]

OMR (Optical Mark Recognition or optical mark reading) is the process of capturing human-marked data from document forms such as surveys and tests.

OMR (Optical Mark Recognition or optical mark reading) is the process of capturing human-marked data from document forms such as surveys and tests.

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Wikipedia

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Circular Object Detection from image

How to detect optical circles(hollow as well as filled)? Is there any approach which can solve segementation issue in generalize way? I was not able to detect optical circle when I apply the following approach: import numpy as np import…
Zara
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Data capture from ORM (Optical Mark Recognition) sheet in Java

i need to develop software for capture omr sheet data in java.pl.
Aswan
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JavaCV Insufficient memory, failed to allocate memory

I am developing an OMR(Optical Mark Recognition) application using JavaCV,java interface for OpenCV.The application runs fine for 200 images but after that it fails to allocate memory for IplImage in my code.The allocation error comes when I try to…
afnan1992
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multiple choice test mark reader - where to start?

I was assigned a project (in school) for automated multiple choice test scoring and I do not know where to start. I think his is a kind of popular program and you already know about it. Enter an image file scanned of the answer sheet and return…
nvcnvn
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PHP - Spot the difference - Image Processing

Since i'm not much into image processing in PHP, however being familiar about OCR & OMR, i'm having a unique requirement. Here's the Scenario: Given Input: 2 Images Image 1: A garden Image 2: Same Garden with a person standing Required Output:…
Syed Absar
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Optical markup or character recognition of a graph in C#.Net

No Idea with what to start in this case i have to extract the red block image from following tiff Image After extracting I have to read the graph and get output as follows :- if 1 - Off Duty 2 - Sleeper Berth 3 - Driving 4 - On Duty then…
Ronak Shah
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How to Get the Right Qr Under the Puncture Hole?

I have a scanned document below a hole is marked with a green box And the programming languages ​​that I understand are python and javascript. How to get a qr that is directly below the puncture hole? additional suggestions such as changing the…
CreTech
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How to get the marked answer from a OMR Sheet?

I am trying to figure out the marked answer from a OMR Sheet. I have been able to spot the dark circle on the image(Please see the green square around it) but I am stuck now. How to find the exact numbers from the image. Here is the image : I am…
S M
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Finding Correctly Filled Answer Bubbles with OpenCV

I'm designing an answer sheet scorer and currently only have 1 major issue left to deal with and its the answer bubbles. People can fill these in all sorts of ways Filled Answer Bubbles, I have tried using Cv2.HoughCircles() but it doesn't pick up…
CJP
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OCR - Issue with reading checkbox and radiobuttons from documents

I have an use case where i need to parse an image or PDF to read a survey form with all the values like Name, Age, Address etc as a key value pair and load the data to the table for each of the column. Right now we are using AWS Textract and we are…
Anish Raju
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Optical Mark Reader (OMR ) - JAVA

Unable to start with a OMR reader application . Tried this Udai OMr , But I am getting NullPointerException . Any Suggestions ? D:\OmR\ java -cp "dist/OMRProj.jar;dist/lib/jiu.jar" omrproj.ProcessTemplate [template-filename] at…
Faiyaz Md Abdul
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how to aproximate shapes height and width for image detection using opencv and python

i was following a tutorial about shapes detection using opencv ,numpy and python ,and it was this function i know the reason from it but i do not know how to modify it so i can use it as i want the total bubble's number are 320 but the function…
devnoob999
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How can I play MusicXML file on Android?

Are there any existing tools or libraries for this? I am currently trying to develop an application that can take an image of a sheet music and make it to a musicxml format and play the corresponding audio. And I am stuck on how to exactly play an…
Bryanation
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