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Questions tagged [image-scanner]

The python-imagescanner (old pyscanning) implements an abstraction layer which allows users to scan images/documents from Linux or Windows without the need of write any specific Python code for each one of them

Introduction

The python-imagescanner (old pyscanning) implements an abstraction layer which allows users to scan images/documents from Linux or Windows without the need of write any specific Python code for each one of them.

Note: The devices are accessed using the available installed drivers in the platform. Currently the support for Windows is implemented with Twain API and for Linux with SANE.

Supported Devices

All devices supported by SANE (Linux) and Twain (Windows). If you are able to use your device with another application in your platform but you still to access it with imagescanner, please, fill a bug report.

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Twain detect landscape for scanning

I am writing a program to get the images from a twain device. The problem is when I set the mode to landscape from the scanner gui not my program, I cannot detect it and the image is rotated wrong. If I understand the spec right ICAP_ORIENTATION…
user833831
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react-native-perspective-image-cropper outside of image crop add white background in IOS

I use react-native-perspective-image-cropper package to crop image dynamically, and it’s work absolutely fine. But sometime when the cropping area overlay are outside of the image and I try to crop the image then it add the white background to…
Yogendra Patel
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QR scanning using raspberryPi camera nodeJS

I am creating a nodeJS application that can be used to scan QR code on the raspberry Pi3 board. I am able to successfully use a USB camera and scan the QR code using the Instascan node module. However, when I try to use the Raspberry pi Camera, the…
Ekayaa
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How to use WIA vesion 2 in win 7 and c#?

I am using c# 2008 and wanna to capture a picture from scanner but i cant use WIA v2 in win7 and the TWAIN component in XP doesnt support win7 please help me how to do that Thanks
Raman
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Android - Zxing QR Code Scanner not showing correctly

I have added the proper native classes on Zxing in my Android project. The camera view of zxing scan is not showing in the right size. I have added the screenshot of the camera app. The scanner part of the camera should be displayed in the middle of…
Robin Royal
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Scan and store as PDF an image with a scanner in USB

Hi i am trying to scan something in the Scanner and put it in an Image object (C#) and then pick that image and generate a PDF (to that i am using iTextSharp). So i am trying to use WIA (Windows Image Acquisition) but for what i know this only works…
Miguel
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Cross-platform Python scanner interface

I'm looking for a library that can interface with scanners on both Windows and Linux, in Python. Is there such a thing? Thanks in advance.
Hypercube
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Identify scanner(s) attached to the computer?

The application I'm working on is using a scanner, which may belong to one of a few types. I need to identify the attached scanner(s), give an option to select a default scanner from those attached and also change this selection whenever required.…
Evgeny
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Document Detection via Open CV Swift

I am working on document scanning and I am thinking to use open CV to scan the document and capture it in iOS. I was checking out one Github project which is providing me the same concept but, I want to customise it and perform it as per the…
Upasna Gandhi
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Solve Resharper Error in C#

I Use VSTwain Component To Scan Images With Scanner.How Can I Solve Flowing Error? After Edit: My Application Compile And Run Correctly,But Resharper show the following error. When I write "VSTwaint1." in Visual Studio, Red Methods Can Not Show In…
Hossein Moradinia
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Improve OCR accuracy from scanned documents

I'm scanning a lot of A3 documents using a standard Brother A3 Multifunction and then use FineReader Pro for OCR'ing the images. However, I'm getting a lot of errors in the characters recognized, and lots of non-alphanumeric strange characters.…
Panagiotis Panagi
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Scan an image from asp.net

how can i scan an image from a webpage in asp.net. I need a free control or a code to scan an image from a scanner in any user that requests the webpage. Thank you.
Bassel Shawi
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Is there a non-activex approach to scanning documents into a web app?

I am working on a web application that is a pretty simple and straightforward application except for on thing: it needs to be able to get documents from the scanner. I don't want to force the user to scan documents manually, save them, and then…
Max Schmeling
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Scan image and detect the text android

I want to scan a image to detect the colour and text from the image. I have found OCR tutorial to do the same and implement it. But I don't want to capture image just want to scan image and detect text. Is there any library with which I can detect…
Pawanpreet
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How to Extract Name,Phone Number and Email Address From Vision OCR result text in Android?

Here is my sample code where i want to get details... @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == PHOTO_REQUEST && resultCode == RESULT_OK) { launchMediaScanIntent(); …
Rishu Gupta
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