keras-ocr | 中文OCR单字识别 keras实现
kandi X-RAY | keras-ocr Summary
kandi X-RAY | keras-ocr Summary
中文OCR单字识别 keras实现
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Top functions reviewed by kandi - BETA
- Builds a convolution layer .
- Build a shallow weight layer .
- Build a shallow image .
- Builds CNN .
- load image data
- Build a CNN model .
- Train the model .
- Infer a CNN .
- Test the accuracy of the model .
- Create a random correction for the given preds .
keras-ocr Key Features
keras-ocr Examples and Code Snippets
Community Discussions
Trending Discussions on keras-ocr
QUESTION
Im running Keras-OCR implementation from the following repository in the Notebook created in GCP VM
https://github.com/faustomorales/keras-ocr
The call to prediction_groups = pipeline.recognize(images) kills the Kernel. The error about Kernel has died is thrown.
The GCP VM is : Version: common-cu113.m87 Based on: Debian GNU/Linux 10 (buster) (GNU/Linux 4.19.0-18-cloud-amd64 x86_64\n)
Can you suggest on how it that to fix this issue?
...ANSWER
Answered 2022-Feb-03 at 19:33The issue was with opencv version. I had latest version which is 5.5.5. It worked when downgraded the version to 4.4
QUESTION
I am working with the keras_ocr recognizer and I want it to scan only inside the bounding boxes which I already selected. The API supports this kind of opperation with recognize_from_boxes
Just so you know: keras_ocr documentation.
ANSWER
Answered 2021-Sep-29 at 20:06In API documentation it mentions that box_groups
should be A list of groups of boxes, one for each image
which means it assumes there might be many boxes in a single image but your input is only a list on boxes
. If you have only one box per image then you can do it this way -
QUESTION
I am doing a License/Number plate recognition project and I'm on the stage of completion but there is a small problem, I have successfully recognized the characters, consider the below example:
This is an input image, I got the prediction as 2791 2g rj14
As you can, the ocr did a great job but the arrangement is destroyed (DESTROYING the whole purpose). Sometimes it does outputs in the correct sequence but sometimes it does not, so when it does not output in the correct sequence I'm trying to develop an algorithm which will take the predicted num_plate
string as input and rearrange it on the basis of my country (India).
Below are some images which tell us about the format of Indian Number/License Plate.
Also, I have collected all the states but for right now, I just want to do for only the 3 states which are: Delhi (DL), Haryana (HR), UttarPradesh (UP). More info : https://en.wikipedia.org/wiki/List_of_Regional_Transport_Office_districts_in_India
...ANSWER
Answered 2021-Aug-12 at 21:00If you can get the coordinates of each identified text box, then:
- Rotate the coordinates so the boxes are parallel with the X-axis
- Scale the Y-coordinates so they can be rounded to integers, so that boxes that are side-by-side will get the same integer Y-coordinate (like a line number)
- Sort the data by Y, then X coordinate
- Extract the texts in that order
Here is an example of such sequence:
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Install keras-ocr
You can use keras-ocr like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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