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Prizmo Go app

Prizmo go logo
Overall rating:
  • 4/5
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  • image identification
  • import images
  • option settings
  • Recognition of printed text
  • Handwriting recognition
  • QR code recognition
  • Volunteer testing the app

What does it consist of:

2019

PrizmoGo is a text recognition application commonly known as OCR (Optical Character Recognition). In this case, the added value presented by said application is an analysis engine in the cloud of the images taken with the camera that allows recognition of both printed text and handwriting.

The application is only available in version for IOS operating system.

 

Forms of Acquisition:

The application is only available in a version for the IOS operating system that can be downloaded at the following link:

The 1-year subscription is priced at € 7,99

The 1 month subscription is priced at € 0,99

There are additionally other payment packages available that allow the export of texts or packages of various text identifications.

The application is available in the following languages: Spanish, German, Simplified Chinese, Traditional Chinese, Korean, Danish, French, Greek, English, Italian, Japanese, Dutch, Portuguese, Russian, Swedish, Turkish, Arabic.

For more information you can check the developer's website at the following link:

https://creaceed.com/prizmogo

Technical verification:

We have tested the Prizmo Go application in different contexts together with our volunteer Andrés and in the following lines we summarize our impressions.

To carry out the tests we have used an Iphone 6S model terminal downloading the application from the Apple Store. In our case, we have tested the paid version of the application with its Cloud OCR feature that allows images to be sent to the cloud (internet) for a better text identification result.

Once the application is downloaded, we go through the different options to familiarize ourselves with it. In this case we have activated the IOS Voiceover screen reader since it is the real way of interacting with the phone for a person with vision difficulties. After its activation we quickly realize that as expected it is really optimized for use with screen readers and its functionalities are correctly labeled in Spanish.

To carry out our tests we are going to present a series of texts, both printed and handwritten, a QR code and images containing text downloaded from the internet.

Printed texts

The application has obtained good identifications with the printed texts, yes, always with the analysis functionality in the cloud active, since otherwise the identification is usually not of quality.

It is very important to focus the text well, for this the application emits a series of voice prompts that indicate the orientation that the phone should have. Good lighting is also recommended, for this, the application allows the activation of the flash from its own menu to illuminate texts in case the ambient lighting is reduced.

If the text has been correctly focused, the printed text identification has great precision. This identification is especially optimal in cases in which the texts present a great contrast with respect to the background color and, furthermore, this is as homogeneous as possible without presenting any drawing or figure.

During the tests we have correctly identified texts from technical manuals with a white background and simple typography, as well as texts from advertising brochures with a white and red background and with more elaborate fonts.

Handwriting

Handwriting identification is a valuable feature that most text identification products and applications do not include.

In the tests of this functionality we have verified that it achieves greater precision with texts in capital letters with clear typography. In this sense, we have carried out satisfactory writing tests on paper and on a white board, focusing the camera at 1 meter from it.

Regarding the tests carried out with lowercase letters, the application has found it more difficult to identify the text because the lowercase writing differs a lot between people and has too wide a variety of combinations. In any case, some words that contained well-defined letters have been identified.

QR codes

Regarding the identification of QR codes, during the tests we managed to identify some of those that we placed in front of the camera, but not in all cases we were able to access the link or link of them. For this functionality there are many more accurate free QR code reading applications.

Images containing text

This functionality is designed to load images that contain text such as those that circulate on social networks and are impossible to read by a screen reader.

They can be read by sending the image to Prizmo Go from WhatsApp or Facebook itself, or they can be uploaded from a location on our phone where the image has been previously stored.

During the tests carried out, the identification precision was low in the case of images that contained text mixed with figures and different elements and that presented little marked contrasts.

Conclusions

Prizmo Go is a simple, useful and usable application with numerous functionalities around the identification of texts. The application achieves acceptable precision in its paid version since it is in this version that it sends texts to an internet server for processing and identification. The annual price is not high if it is going to be used frequently.

In any case, we miss a version of Android that allows its use to all those users with reduced or no vision who use terminals of different ranges and brands.

During the tests, a high battery consumption was observed after making continuous use of it. However, the data consumption is not high despite sending information to the cloud for identification and is an average of hundreds of KB for each image sent.

 

Highlights

  • Its simplicity and usability
  • Handwriting ID not included in most OCRs
  • The annual price is acceptable for the version with identification in the cloud, which is the one that allows greater precision.

Improvement points

  • It would be recommended that there be a version for Android
  • The free version is not able to identify the texts accurately
  • Battery consumption is high with continuous use

 

  • Design and manufacturing: 4 5 on.
    4
    This section refers to the physical aspects and details of the manufacturing of the technological product
  • User experience: 3 5 on.
    3
    This criterion is linked to the user's assessment when relating to the technical product or application.
  • Technical benefits: 4 5 on.
    4
    Description of the quality of the technical specifications of the technological solution
  • Accessibility: 5 5 on.
    5
    It is the degree to which people can use or access a product, technological solution or service, regardless of their technical, cognitive or physical abilities

Social valuation:

In the technical review we have told you how the application works in detail, and in these lines we expand this information with some notes from the volunteer who has tested the application.

 

 

Andrés is a blind person who uses his Iphone terminal with the Voiceover screen reader always active. This implies that an application must be correctly labeled so that it can make correct use of it.

In this sense, from the first moment Andrés has correctly recognized the various functionalities of the application and has easily interacted with it.

When it comes to identifying the images, some practice and stability with the phone is required, being necessary to take distance references well to be able to focus the texts correctly.

Andrés considers that the identification of printed text and handwritten capital letters has a correct precision, however, it would be advisable to improve the precision in handwritten lowercase letters and especially in the identification of text contained in images.

In conclusion, he points out that it is a useful, usable and simple application, in which it is necessary to have activated the payment functionalities for identification in the cloud if an acceptable precision in the identification is desired.

 

  • Impact and utility: 3 5 on.
    3
    Describes to what extent the functionalities of the product are useful and impact on improving the life of the user
  • Usability and accessibility: 4 5 on.
    4
    Possibility of the device to be used, understood and taken advantage of under equal conditions for anyone
  • Design and ergonomics: 4 5 on.
    4
    Assessment of how the design of the technological solution adapts to the person to achieve greater comfort and efficiency when using it
  • Ease of Acquisition: 3 5 on.
    3
    It refers to the possibilities of accessing and acquiring a technological solution by the user.

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