Questions tagged [braille]

Anything related to the Braille system, a tactile writing system for blind or visually-impaired people where letters are encoded on a physical surface as combinations of small protruding dots, allowing the reader to "read" them using his/her fingers.

Anything related to the Braille system, a writing system for blind or visually-impaired people where letters are encoded on a physical surface as combinations of small protruding dots, allowing the reader to "read" them using his/her fingers.

See Wikipedia page on Braille system.

41 questions
1
vote
1 answer

Braille Recognition from an image using OpenCV/C++

I am aiming to develop an iOS app that captures an image > extracts Braille dots represented in a specific color (Blue) > translates Braille letters into text using image processing techniques. My approach was to use OpenCV/C++ to have the image be…
MadawiAh
  • 27
  • 3
1
vote
1 answer

Extract Braille text (image) from PDF using iTextSharp

Braille is a special font for blind people. I am trying to decode the text written in Braille font in a PDF file and output the normal text. But the PDFTextExtractor (in iTextSharp) cannot handle this font. Is it possible in any other way? I am…
UserBSS1
  • 2,091
  • 1
  • 28
  • 31
1
vote
1 answer

How can I make an Android app compatible with BrailleBack?

I'm looking to make the Android app I work on more accessible, and was wondering if we need to do anything special to make it compatible with services like BrailleBack so it can be used with braille readers like this…
FPL
  • 456
  • 4
  • 21
1
vote
0 answers

Send delayed messages to braille display without blocking main thread

An analysis of my problem. Blind people use a screen reader to interact with applications. These screen readers speak contents, messages and the like at the preferred speech rate and other settings. From the developer's point of view there are some…
TimB
  • 970
  • 8
  • 17
1
vote
1 answer

Why is Emacs displaying Unicode character BRAILLE PATTERN BLANK as a non-blank character?

The unicode character BRAILLE PATTERN BLANK (0x2800) is not displaying as a blank character in emacs (version 26.1 on macOS Mojave 10.14). In this image you can see how it displays in Terminal and other Mac applications such as Notes and…
justinhj
  • 11,147
  • 11
  • 58
  • 104
1
vote
1 answer

Detect braille display in iOS?

Is there a way to pragmatically determine if a braille display is connected to iOS? There are changes I want to make to improve the experience for those users if I know they are using braille instead of audio VoiceOver.
thealienisreal
  • 282
  • 3
  • 8
1
vote
1 answer

How to fix the braille printing?

My project is a Tamil to Braille translation system. I want to make an print-out of a Braille document, and used the normal printer code in c# (printer dialog), but my embosser printer is just printing garbage instead of my document. Is there any…
0
votes
0 answers

BLE HID for Braille Device

I'm currently developing a Braille Device for visually challenged people. I want to show my device as Braille HID device via BLE which will connect to Google's accessibility "Talkback" and start communicating with it. What parameters should I set in…
kumar
  • 1
0
votes
0 answers

ARIA live content update when VoiceOver is focused via a Braille display

I am attempting to figure out how a time update event that updates the currentTime in the HTML dynamically, can update itself when the Braille display via VoiceOver is focused on that area. .p-2.flex-grow-1.align-self-center{role: "text"} …
Patrick Vellia
  • 399
  • 2
  • 9
0
votes
0 answers

iPhone bluetooth client to localhost voiceover

A little background for my question: Braille keyboards connect to apple voiceover via bluetooth. They receive a text stream from voiceover wherever the user takes actions on the device. The keyboard is able to send commands to the iPhone which map…
thebiggestlebowski
  • 2,610
  • 1
  • 33
  • 30
0
votes
0 answers

How to use AXBrailleMap and AXBrailleMapRender in SwiftUI?

I need to create a specific label for braille displays in a View in SwiftUI because I want to represent an icon in braille from an image. The accessibilityLabel value will be spoken by VoiceOver's voice but I need a braille representation to improve…
user2963707
  • 127
  • 1
  • 7
0
votes
0 answers

How to use liblouis on java ( Android)?

i am student and i am trying to use liblouis on java , but I don't know how to use and install. For example , I want to read text from editText and translte it to braille word. How can i do? Thank you a lot! EDIT: I found this on github , but still…
0
votes
3 answers

Trying To Create Table To Braille In Python

I've Been Trying To Create A System Which Turns A Table Of 1's And 0's To A Braille Character But It Keeps Giving Me This Error File "brail.py", line 16 stringToWrite=u"\u"+brail([1,1,1,0,0,0,1,1]) ^ SyntaxError: (unicode error) 'unicodeescape'…
0
votes
1 answer

Converting raised position to binary

I am working on going from o-string binary to Unicode, part of this process requires converting Raised Position to Binary. I can't seem to be able to get it done. The doc test will explain what needs to be performed. I have provided my code below…
0
votes
1 answer

Simulate Braille display

We've received reports from users that our app doesn't work correctly in iOS VoiceOver when using a Braille display. I've tested our app on iOS VoiceOver with sound, and it works correctly. Is there a way to simulate a Braille display to reproduce…
Dan Fabulich
  • 37,506
  • 41
  • 139
  • 175