EAST: An Efficient and Accurate Scene Text Detector, include this tag if your code in some way or the other is related to text detection in scenes.
Questions tagged [east-text-detector]
17 questions
3
votes
1 answer
Train EAST text detector on custom data
How can I train the EAST text detector on my custom data. There aren't any blogs online that shows step by step procedure to do the same. What I have currently.
I have a folder that contains all the images and corresponding xml file for each of our…
user11247278
2
votes
1 answer
How to detect text using OpenCV
I'm working with a project where I should detect and extract the text from a image to later make it available to a search software .
I'm studying OpenCV but I don't find much content in Java just in Python. I'd like to implement this in Java. But if…
Doug LN
- 132
- 2
- 11
1
vote
1 answer
How to overcome EAST Text Detector slowness in Android app?
Im working on an Android app that's basically detects text and recognizes it (OCR) from pictures taken by users.
Im using Opencv V4.3 and Tesseract V4, and because of the fact that most of the docs (opencv) are in C++ and python, i try to test…
Marouane GhouLami
- 41
- 4
0
votes
0 answers
Getting this error while importing and using .onnx model
Code:
import cv2
import numpy as np
import math
def fourPointsTransform(frame, vertices):
vertices = np.asarray(vertices)
outputSize = (100, 32)
targetVertices = np.array([
[0, outputSize[1] - 1],
[0, 0],
…
0
votes
0 answers
How to Use Custom Detection and Recognition Models with EasyOCR?
I'm working on a project that involves text extraction from images using the EasyOCR library in Python. I've been using the library's default detection and recognition models, but now I want to integrate my own custom detector and transformer-based…
INNA
- 1
- 2
0
votes
1 answer
How to load non-default PaddleOCR detection model in a python script?
PaddleOCR seems to support different algorithms/models for text detection, as written in their algorithms overview. However, when trying to load a different model from "DB" (for example "SAST" or "EAST") an error is encountered (I get the following…
Nicoloc
- 11
- 1
0
votes
0 answers
Detect if a person has signed their name on an attendance sheet. I have an image of attendance sheet and want to find libraries can detect a text
I have a printed attendance sheet with two columns student name and signature. The student names are printed and if the student is present they have their name signed in front of it. For absentees the signature is missing. The printed sheet has a…
iimrraann
- 1
- 1
0
votes
0 answers
Split labelling image parts into sub labelled images using python
I am working on medical images. I want to segment each image into sub-segments parts according to the labelled letter in each part of the image. I have tried multiple codes and functions but I don't know how can I do that.
Example of my dataset
The…
Eda
- 565
- 1
- 7
- 18
0
votes
0 answers
Vietnamese Text detection and Recognition
I am currently working on Vietnamese text OCR. I have looked to into different platform to get a valuable info regarding to the tools or how to custom train the models to detect the Vietnamese text in images.
Can some point me to tools if are…
ram_98
- 19
- 6
0
votes
1 answer
How to find complex contours in images (subtitle text range in video file) with pyopencv?
Trying to detect the subtitle range in films like this.
import cv2
import numpy as np
from IPython.display import display
image = cv2.imread('org.jpeg')
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
blur = cv2.GaussianBlur(gray, (9,9),…
WilsonF
- 85
- 6
0
votes
1 answer
error: (-215:Assertion failed) length > FLT_EPSILON in function 'unclip' in Text Detection
I am using text detection in OpenCV, specifically cv2.dnn_TextDetectionModel_DB
Here's the code:
text_detector = cv2.dnn_TextDetectionModel_DB("resources/DB_IC15_resnet50.onnx")
binThresh = 0.3;
polyThresh = 0.5;
maxCandidates = 200;
unclipRatio =…
Aneerban Chakraborty
- 11
- 2
0
votes
1 answer
Connecting model to bounding boxes
First of all, thank you for taking the time to read my question.
I'm trying to predict text in bounding boxes. Somehow it looks like there is no connection between the boxes and the model.
I used EAST text detection to create bounding boxes and…
roet
- 27
- 6
0
votes
1 answer
Why doesn't pytesseract recognize any text in this image?
I have this image input image on which I am attempting to apply text detection and ocr,
however even after preprocessing (binary thresholding etc) pytesseract doesn't return any output. The purpose of text detection is to improve the ocr output, I'm…
Nathan
- 19
- 4
0
votes
0 answers
How is this even possible ? I tried to copy text from PDF it worked
this is a Pdf document
I tried to copy handwritten text from this pdf document and surprisingly it worked. How is this possible.
Copied Text :
Cheemakurthi Mukesh
- 671
- 2
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- 9
0
votes
0 answers
org.opencv.text package missing?
in the OpenCV Java documentation (3.4.10)
there is a org.opencv.text package. But in my windows installation of the OpenCV 3.4.10 there is no text package and by the brief view I can say, that there are couple of others missing too.
Why is that?…
user1341695
- 37
- 3