Here use convulation with sobel filter from scratch in opencv python .

Overview

edge-detection-using-sobel-filter

Here use convulation with sobel filter from scratch in opencv python .

have to detect edge using sobel filter.

  • sobel x derivative kernel (detect vertical edge)
    -1 0 1
    -2 0 2
    -1 0 1
  • sobel y derivative kernel (detect horizontal edge)
    -1 -2 -1
    0 0 0
    1 2 1

input image

This is an image

output x derivative

This is an image

output y derivative

This is an image

combine of x and y derivative

This is an image

Owner
Tamzid hasan
Student CSE, KUET
Tamzid hasan
An interactive document scanner built in Python using OpenCV

The scanner takes a poorly scanned image, finds the corners of the document, applies the perspective transformation to get a top-down view of the document, sharpens the image, and applies an adaptive

Kushal Shingote 1 Feb 12, 2022
SCOUTER: Slot Attention-based Classifier for Explainable Image Recognition

SCOUTER: Slot Attention-based Classifier for Explainable Image Recognition PDF Abstract Explainable artificial intelligence has been gaining attention

87 Dec 26, 2022
Provides OCR (Optical Character Recognition) services through web applications

OCR4all As suggested by the name one of the main goals of OCR4all is to allow basically any given user to independently perform OCR on a wide variety

174 Dec 31, 2022
This is a implementation of CRAFT OCR method

This is a implementation of CRAFT OCR method

Esaka 0 Nov 01, 2021
基于图像识别的开源RPA工具,理论上可以支持所有windows软件和网页的自动化

SimpleRPA 基于图像识别的开源RPA工具,理论上可以支持所有windows软件和网页的自动化 简介 SimpleRPA是一款python语言编写的开源RPA工具(桌面自动控制工具),用户可以通过配置yaml格式的文件,来实现桌面软件的自动化控制,简化繁杂重复的工作,比如运营人员给用户发消息,

Song Hui 7 Jun 26, 2022
Repository of conference publications and source code for first-/ second-authored papers published at NeurIPS, ICML, and ICLR.

Repository of conference publications and source code for first-/ second-authored papers published at NeurIPS, ICML, and ICLR.

Daniel Jarrett 26 Jun 17, 2021
Code for the paper "DewarpNet: Single-Image Document Unwarping With Stacked 3D and 2D Regression Networks" (ICCV '19)

DewarpNet This repository contains the codes for DewarpNet training. Recent Updates [May, 2020] Added evaluation images and an important note about Ma

<a href=[email protected]"> 354 Jan 01, 2023
Kornia is a open source differentiable computer vision library for PyTorch.

Open Source Differentiable Computer Vision Library

kornia 7.6k Jan 06, 2023
Thresholding-and-masking-using-OpenCV - Image Thresholding is used for image segmentation

Image Thresholding is used for image segmentation. From a grayscale image, thresholding can be used to create binary images. In thresholding we pick a threshold T.

Grace Ugochi Nneji 3 Feb 15, 2022
The world's simplest facial recognition api for Python and the command line

Face Recognition You can also read a translated version of this file in Chinese 简体中文版 or in Korean 한국어 or in Japanese 日本語. Recognize and manipulate fa

Adam Geitgey 47k Jan 07, 2023
Fusion 360 Add-in that creates a pair of toothed curves that can be used to split a body and create two pieces that slide and lock together.

Fusion-360-Add-In-PuzzleSpline Fusion 360 Add-in that creates a pair of toothed curves that can be used to split a body and create two pieces that sli

Michiel van Wessem 1 Nov 15, 2021
This repository contains codes on how to handle mouse event using OpenCV

Handling-Mouse-Click-Events-Using-OpenCV This repository contains codes on how t

Happy N. Monday 3 Feb 15, 2022
Python bindings for JIGSAW: a Delaunay-based unstructured mesh generator.

JIGSAW: An unstructured mesh generator JIGSAW is an unstructured mesh generator and tessellation library; designed to generate high-quality triangulat

Darren Engwirda 26 Dec 13, 2022
Code for paper "Role-based network embedding via structural features reconstruction with degree-regularized constraint"

Role-based network embedding via structural features reconstruction with degree-regularized constraint Train python main.py --dataset brazil-flights

wang zhang 1 Jun 28, 2022
Program created with opencv that allows you to automatically count your repetitions on several fitness exercises.

Virtual partner of gym Description Program created with opencv that allows you to automatically count your repetitions on several fitness exercises li

1 Jan 04, 2022
The virtual calculator will be above the live streaming from your camera

The virtual calculator is above the live streaming from my camera usb , the program first detect my hand and in each frame calculate the distance between two finger ,if the distance is lower than the

gasbaoui mohammed al amine 5 Jul 01, 2022
A PyTorch implementation of ECCV2018 Paper: TextSnake: A Flexible Representation for Detecting Text of Arbitrary Shapes

TextSnake: A Flexible Representation for Detecting Text of Arbitrary Shapes A PyTorch implement of TextSnake: A Flexible Representation for Detecting

Prince Wang 417 Dec 12, 2022
BD-ALL-DIGIT - This Is Bangladeshi All Sim Cloner Tools

BANGLADESHI ALL SIM CLONER TOOLS INSTALL TOOL ON TERMUX $ apt update $ apt upgra

MAHADI HASAN AFRIDI 2 Jan 19, 2022
Document blur detection based on Laplacian operator and text detection.

Document Blur Detection For general blurred image, using the variance of Laplacian operator is a good solution. But as for the blur detection of docum

JoeyLr 5 Oct 20, 2022
Official implementation of Character Region Awareness for Text Detection (CRAFT)

CRAFT: Character-Region Awareness For Text detection Official Pytorch implementation of CRAFT text detector | Paper | Pretrained Model | Supplementary

Clova AI Research 2.5k Jan 03, 2023