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Questions tagged [number-recognition]

15 questions
21
votes
2 answers

How to classify blurry numbers with openCV

I would like to capture the number from this kind of picture. I tried multi-scale matching from the following link. http://www.pyimagesearch.com/2015/01/26/multi-scale-template-matching-using-python-opencv/ All I want to know is the red number.…
spencerJANG
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17
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1 answer

Recognize numbers in images

I've been searching for resources for number recognition in images on the web. I found many links providing lots of resources on that topic. But unfortunately it's more confusing than helping, I don't know where to start. I've got an image with 5…
svens
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5
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2 answers

Number recognition from Image with python and tensorflow

Details: Ubuntu 14.04(LTS), OpenCV 2.4.13, Spyder 2.3.9(Python 2.7), Tensorflow r0.10 I want to recognize Number from the image with Python and Tensorflow(optional OpenCV). Additionally, I want to use MNIST data training with tensorflow Like…
Taewoo Lee
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5
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0 answers

Tesseract Number Recognition: What are most common OCR options

Here is my iOS OCR code for number recognition through Tesseract engine: Tesseract* tesseract = [[Tesseract alloc] initWithDataPath:@"tessdata" language:@"eng"]; //set the tesseract variables [tesseract setVariableValue:@"0123456789"…
Nirav Bhatt
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4
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1 answer

How make keras-ocr default model recognize only numbers?

I use python and keras ocr. I want keras to recognize only numbers, so in pipeline i do this. recognizer = keras_ocr.recognition.Recognizer(alphabet="0123456789") pipeline = keras_ocr.pipeline.Pipeline(recognizer=recognizer) But instead of turning…
Владик Ефимов
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2
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0 answers

How can I identify numbers from an image?

I'm writing a script that takes an image and crops the image down to only include the number I want it to recognize. I have that part working fine. The numbers will be either single or double digit. I've tried using Googles Vision API, which works…
jimmyshadow1
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2
votes
1 answer

Detect numbers and process them?

I am trying to detect the numbers written on a grid and then process them using the iPhone camera. What i have found till yet are some good examples…
Madhup Singh Yadav
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why will tesseract not recognize my numbers?

I am trying to read the numbers of a gas meter using Python and OpenCV. I have found the numbers as seen here I then try to run pytesseract on the extracted black and white numbers as seen here But I can't get pytesseract to find the…
tobiasrj
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vote
1 answer

Using Handwritten Number Recognition by Yan Cheng, Cheok?

I'm planning to use (Handwritten Number Recognition by Yan Cheng, Cheok) for a project I'm working on it,I should use their database for number recognition but the files are not on their website, I should use a file called…
Black Hawk
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0
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2 answers

Automatically find a rectangle and crop image to it in python

So say I have lots of images similar to these ones: I am trying to get the rectangle with the numbers inside, its the one with the lighter background, also I would like to get rid of those lines but that isn't really as important, here is what it…
Anthony Kercher
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0
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1 answer

Trouble detecting numbers using pytesseract using a pixeled image

I am trying to detect/read the number in the image below. I apply a mask to the image (also shown below), and come back with a rather pixeled set of numbers. The only method for me to retrieve these numbers is there reading them from the image. any…
ymuhamma
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0
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0 answers

tesseract is not installed or it's not in your PATH - python macOS

There are a lot of questions about the error "tesseract is not installed or it's not in your PATH", I did not solve though. I am using macOS and from the terminal I tried: pip install pytesseract brew install tesseract and finally on my…
Frisk19
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0 answers

Using Tesseract-OCR in Python to get number from images

I have thousands of scale images that I would like to extract the reading of the scale from each image. However, when using the Tesseract it gives wrong values. I tried several process for the image but still running to same issue. From my…
Abdullah
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0
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1 answer

Number recognizer in Image

Hello I'm relatively new to Swift, still learning new things. I want a to build a text recognizer that filters all numbers out of an image and sort them. For example, when i have an creditCard with multiple numbers. How can i recognize the specific…
Noem
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0
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0 answers

Opencv: Crop 6 digit handwritten zip code

I am trying to crop 6 digit handwritten zip code for zip code sorting application,given code work fine with a 10 digit phone number but fails to recognize 6 digit contours. Please correct the given code or present better alternative code to…
Auraaf_10
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