Chargrid | meaningful instances from document images | Computer Vision library
kandi X-RAY | Chargrid Summary
kandi X-RAY | Chargrid Summary
The ICDAR 2019 dataset is composed of 690 images of receipts along with, for each invoice, a json file containing 4 classes (the company name, the date, the store address and the total amount) and the true bounding boxes of strings in the bill. Because the inputs have purposely "poor paper quality, poor ink and printing quality; low resolution scanner and scanning distortion", only 682 images were kept after the Optical Character Recognition (OCR). The images are of different shapes and resolutions. The number of classes successfully extracted from the bounding boxes with the json file are presented in the following table : | Number of detected classes | 0 | 1 | 2 | 3 | 4 | |----------------------------|---|---|---|----|-----| | Number of input images | 8 | 7 | 3 | 34 | 630 |.
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Top functions reviewed by kandi - BETA
- Initialize the network .
- Extract class bounding box .
- Train the model .
- Compute the reduced output .
- Generate a batch of data .
- Extracts coordinates from bounding box .
- Compares two input arrays for comparison .
- Augment image data .
- Reduce a bounding box .
- Extract charging information from a table .
Chargrid Key Features
Chargrid Examples and Code Snippets
Community Discussions
Trending Discussions on Chargrid
QUESTION
I'm using System.IO.File.ReadAllLines
to read a .txt file.
It returns a string[]
, but a human could also call it a 2D char
array, which is exactly what I'm trying to put it into. I'm trying to find out the second dimension of this array, as abstracted as possible.
ANSWER
Answered 2019-Jun-07 at 12:40You'd need to find the Length of the longest line in the file (as this approach essentially gives you a jagged array). This can be done with the following bit of code:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install Chargrid
You can use Chargrid 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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