28 questions
Best practices
0 votes
1 replies
79 views
How can I correctly extract table structure (rows, columns, merged cells) from a complex scanned image using OpenCV?
I’m trying to extract tabular data from a scanned engineering document. The table contains: merged header cells irregular row heights irregular column widths faint and broken borders text inside ...
10 votes
1 answer
393 views
How to extract a rectangle in an image from identified lines
(See below for update with partially working code.) I have thousands of images that look like this: I need to run an OCR algorithm on the "1930 E.D." column. I find that when I crop the ...
0 votes
0 answers
82 views
How to split based on gridlines?
I have an image like this:- I want to split them into rows based on the lines and then apply ocr on it and store them in a list. The latter part is easy but I'm not sure how to achieve the first task,...
1 vote
0 answers
55 views
How to identify and extract an image from a magazin page?
I have the challenge to scan pages from 100-year-old magazines and making them accessible to a wider audience. I have to extract the texts (a typical OCR task) and separate out the images and save ...
0 votes
0 answers
92 views
Segmentation of resume images
I'm trying to segment fields from different templates of CV/resume images where I get each segment by itself like for example the education part by itself, the work experience part by itself, and the ...
0 votes
0 answers
132 views
Extract each column as image from scanned pdf
I need to crop each column from scanned pdf. I tried lots of solution from here but none of them worked. For example I have below image. I am using below script to remove horizontal and vertical ...
-1 votes
1 answer
57 views
How to set start offset for a (recyclerview) layout animation?
Using this post, one can set layout animation for recyclerview as follow: res/anim/layout_animation.xml <?xml version="1.0" encoding="utf-8"?> <layoutAnimation xmlns:...
3 votes
2 answers
3k views
Determine the angle of text on an image
I would like to determine the angle of inclination of the text in my PDF document (in order to align this document as a result). I receive a PDF document scanned by people, and accordingly, this ...
0 votes
1 answer
1k views
Divide an image into tiles based on text structure in Python OpenCV
I'm a beginner to computer vision and OpenCV, but I do have moderate experience with Python. I am trying to write a program that takes an image and divides the image into tiles based on the structural ...
0 votes
1 answer
139 views
Form Recognizer in deep Learning with Annotation
I have regular digital forms with blanks, boxes, checkboxes, tables, and signature fields. My aim is to extract the field name along with its fillable coordinates. For e.g. if form has a field named &...
2 votes
2 answers
557 views
How do I separate the paragraphs of text in a scan of a two-column layout text document?
I have the above image and would like to slice them into individual questions. I would like to do it programmatically using python and image libraries.
0 votes
0 answers
117 views
How to draw a red rectangle around a string of words using pytesseract that has an incorrect spelling
This is my image: test2.png I can recognize the words: recognize text I need to check if there is an incorrect word/s (incorrect spelling) in the text image, highlight this word/s with a red color ...
1 vote
5 answers
2k views
How to detect figures in a paper news image in Python?
So i have this project in Python (Computer Vision), which is seperating text from figures of an image (like a paper news image). My question is what's the best way to detect those figures in the paper ...
0 votes
1 answer
2k views
Draw a rectangle around a string of words using pytesseract
Here is my image: I can recognize the words: I need to check if there is a line with specific text in the image and highlight this line with a rectangle. For example. I check if there is "times,...
0 votes
0 answers
412 views
Identify the orientation of page
Image of portrait page viewed horizontally Hello suppose we have this photo of a page(or many pages) , you rotate if 90,180 degree anticlockwise I want to write code in order to detect the position ...