doubango-ai

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Welcome to Doubango's discussion group. If you have any technical question about our AI products, then this is the right place.

AI Products: Face liveness detection (Anti-Spoofing), ANPR, ALPR, MRZ, MICR, OCR, ICR, CBIR, NSFW...

Website: https://www.doubango.org/

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Mamadou DIOP, … VISHNU P7

12/3/25

UltimateALPR v4.0 in progress, share your issues

ETA 2 months from now if everything is OK. Last time I said 2 months for a product (https://groups.

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UltimateALPR v4.0 in progress, share your issues

ETA 2 months from now if everything is OK. Last time I said 2 months for a product (https://groups.

12/3/25

VISHNU P, Mamadou DIOP5

Jan 9

Contribution of Indian License Plate Dataset for v4.0 Accuracy

Hi, Thanks for confirming that the mail with the dataset was received. Whenever convenient, I'd

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Contribution of Indian License Plate Dataset for v4.0 Accuracy

Hi, Thanks for confirming that the mail with the dataset was received. Whenever convenient, I'd

Jan 9

Jeongho Do

12/22/25

Request for Windows C# Real-Time ALPR Sample Using UltimateALPR SDK

I am planning to develop a real-time vehicle license plate detection application on Windows using

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Request for Windows C# Real-Time ALPR Sample Using UltimateALPR SDK

I am planning to develop a real-time vehicle license plate detection application on Windows using

12/22/25

Mike Bedford, … doubango-ai5

12/17/25

Disable countries

Hi, Please send the images if you still have them. I'll added them in v4 On Friday, December 3,

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Disable countries

Hi, Please send the images if you still have them. I'll added them in v4 On Friday, December 3,

12/17/25

Tae-yi Kim, Mamadou DIOP2

12/3/25

Some characters are recognized as *.

license issue On 3 Dec 2025, at 00:48, Tae-yi Kim <mg20...@gmail.com> wrote: I'm testing

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Some characters are recognized as *.

license issue On 3 Dec 2025, at 00:48, Tae-yi Kim <mg20...@gmail.com> wrote: I'm testing

12/3/25

Lakshmi G, Mamadou DIOP5

11/25/25

Regarding the license association to container

Ok. What I understand is , we can configure another container on Azure and use the latest version of

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Regarding the license association to container

Ok. What I understand is , we can configure another container on Azure and use the latest version of

11/25/25

Tae-yi Kim, Mamadou DIOP4

11/24/25

Assertion error on UltMrzSdkEngine

The error has nothing to do with the device. These logs are not from our demo app (different

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Assertion error on UltMrzSdkEngine

The error has nothing to do with the device. These logs are not from our demo app (different

11/24/25

GELIOS team, Mamadou DIOP5

11/19/25

UltimateALPR on the Banana PI (Amlogic A311D)

https://groups.google.com/g/doubango-ai/c/Q8C6cZnObtU On 19 Nov 2025, at 22:59, 'Mamadou DIOP

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UltimateALPR on the Banana PI (Amlogic A311D)

https://groups.google.com/g/doubango-ai/c/Q8C6cZnObtU On 19 Nov 2025, at 22:59, 'Mamadou DIOP

11/19/25

Lucas Doná Sfalcin, Mamadou DIOP3

11/6/25

Raspberry pi 4 2Gb x Raspberry pi 4 4Gb

Ok, thanks. Is the accuracy/precision the same if I use a Raspberry Pi 3, 4, or 5? Em segunda-feira,

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Raspberry pi 4 2Gb x Raspberry pi 4 4Gb

Ok, thanks. Is the accuracy/precision the same if I use a Raspberry Pi 3, 4, or 5? Em segunda-feira,

11/6/25

Sebastián García, … doubango-ai10

11/6/25

Jetson Roadmap

awesome! thanks El miércoles, 5 de noviembre de 2025 a la(s) 8:39:31 pm UTC-3, doubango-ai escribió:

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Jetson Roadmap

awesome! thanks El miércoles, 5 de noviembre de 2025 a la(s) 8:39:31 pm UTC-3, doubango-ai escribió:

11/6/25

Kai Nickel, … doubango-ai6

11/5/25

ALPR: Support of current Nvidia GPUs

https://groups.google.com/g/doubango-ai/c/9VxCDwFFNw8/m/m2FMWmO5AAAJ

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ALPR: Support of current Nvidia GPUs

https://groups.google.com/g/doubango-ai/c/9VxCDwFFNw8/m/m2FMWmO5AAAJ

11/5/25

Lakshmi G, Mamadou DIOP2

10/27/25

Need to install UltimateANPR on lower instance

There is no "installable". You just checkout the code from Github to get the software. You

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Need to install UltimateANPR on lower instance

There is no "installable". You just checkout the code from Github to get the software. You

10/27/25

moses maned, Mamadou DIOP2

10/24/25

Windows Building is failing

Hi, No need to build the binary by yourself, it's at https://github.com/DoubangoTelecom/

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Windows Building is failing

Hi, No need to build the binary by yourself, it's at https://github.com/DoubangoTelecom/

10/24/25

Hair-S愛爾絲, Mamadou DIOP5

10/21/25

Why does the Windows ANPR SDK have much lower accuracy compared to your online recognition service?

Change “pyramidal_search_sensitivity" (https://github.com/DoubangoTelecom/ultimateALPR-SDK/blob/

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Why does the Windows ANPR SDK have much lower accuracy compared to your online recognition service?

Change “pyramidal_search_sensitivity" (https://github.com/DoubangoTelecom/ultimateALPR-SDK/blob/

10/21/25

Hassan Revel, Mamadou DIOP2

10/21/25

UltimateALPR not working with NVIDIA RTX

Use the Benchmark sample app to evaluate the speed. And share full logs (DO NOT CUT THE LOGS like you

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UltimateALPR not working with NVIDIA RTX

Use the Benchmark sample app to evaluate the speed. And share full logs (DO NOT CUT THE LOGS like you

10/21/25

GELIOS team, Mamadou DIOP2

10/21/25

How do I get licenses?

Be more patient. You probably purchased them few hours or minutes ago. Sent from my Galaxy --------

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How do I get licenses?

Be more patient. You probably purchased them few hours or minutes ago. Sent from my Galaxy --------

10/21/25

Madhan Kannan, Mamadou DIOP3

10/15/25

Issue with ALPR,

Dear Diop, Thanks for your prompt response. This is not a temporary plate. Is it possible to train

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Issue with ALPR,

Dear Diop, Thanks for your prompt response. This is not a temporary plate. Is it possible to train

10/15/25

Lucas Doná Sfalcin, Mamadou DIOP2

9/26/25

Mercosul plate Brazil

Show few samples here to see. Sent from my Galaxy -------- Original message -------- From: Lucas Doná

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Mercosul plate Brazil

Show few samples here to see. Sent from my Galaxy -------- Original message -------- From: Lucas Doná

9/26/25

Yerem Khalatyan, Mamadou DIOP6

9/22/25

Need access to 3d liveness SDK for possible purchase

Hi, Check https://github.com/DoubangoTelecom/ultimateFace-SDK?tab=readme-ov-file#checkout-source on

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Need access to 3d liveness SDK for possible purchase

Hi, Check https://github.com/DoubangoTelecom/ultimateFace-SDK?tab=readme-ov-file#checkout-source on

9/22/25

MAMADOU DIOP

9/16/25

Face recognition & 3d liveness detector SDK released

Hello, For information we have released our Face recognition SDK on Github at https://github.com/

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Face recognition & 3d liveness detector SDK released

Hello, For information we have released our Face recognition SDK on Github at https://github.com/

9/16/25

Anthony CAMUT, Mamadou DIOP2

9/8/25

Android ALPR License

Hi, When you purchase your licenses we sent you a mail with your credentials (login, password). The

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Android ALPR License

Hi, When you purchase your licenses we sent you a mail with your credentials (login, password). The

9/8/25

Ron David, Mamadou DIOP7

8/31/25

Getting Runtime Key from Docker Container on EC2

1/ the url clearly says there is no steps to follow to use containers in ec2. 2/ i don't

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Getting Runtime Key from Docker Container on EC2

1/ the url clearly says there is no steps to follow to use containers in ec2. 2/ i don't

8/31/25

Attila Hulej, Mamadou DIOP2

8/28/25

Egyptian license plates

Hi, no On 8/27/2025 9:41 AM, Attila Hulej wrote: Hi! Is it possible to recognize egyptian license

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Egyptian license plates

Hi, no On 8/27/2025 9:41 AM, Attila Hulej wrote: Hi! Is it possible to recognize egyptian license

8/28/25

MARIO SHIN, Mamadou DIOP3

8/26/25

Korean license plate recognition error

On 8/26/2025 1:24 PM, 'Mamadou DIOP' via doubango-ai wrote: > Hello, > > For South

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Korean license plate recognition error

On 8/26/2025 1:24 PM, 'Mamadou DIOP' via doubango-ai wrote: > Hello, > > For South

8/26/25

VISHNU P, Mamadou DIOP3

8/9/25

Refund Inquiry for Partially Used Licenses

Thank you for your reply. On Sun, 10 Aug 2025 at 1:37 AM, Mamadou DIOP <diopm...@doubango.org

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Refund Inquiry for Partially Used Licenses

Thank you for your reply. On Sun, 10 Aug 2025 at 1:37 AM, Mamadou DIOP <diopm...@doubango.org

8/9/25

VISHNU P, Mamadou DIOP2

8/6/25

Clarification on Confidence Values in JSON Result (confidences vs text)

Hi, Check https://www.doubango.org/SDKs/anpr/docs/Frequently_Asked_Questions_(FAQ).html#could-you-

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Clarification on Confidence Values in JSON Result (confidences vs text)

Hi, Check https://www.doubango.org/SDKs/anpr/docs/Frequently_Asked_Questions_(FAQ).html#could-you-

8/6/25

Lucas Doná Sfalcin, Mamadou DIOP2

8/1/25

32 bits vs 64 bits

64-bit is faster. Also take into account that 32-bit is being deprecated by almost everyone On 8/1/

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32 bits vs 64 bits

64-bit is faster. Also take into account that 32-bit is being deprecated by almost everyone On 8/1/

8/1/25

Lucas Doná Sfalcin3

7/9/25

_ultimateAlpr.so 64 bits

Isn't there a 64-bit version of the libultimate_alpr-sdk.so file? ALPR dont work in Raspberry pi

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_ultimateAlpr.so 64 bits

Isn't there a 64-bit version of the libultimate_alpr-sdk.so file? ALPR dont work in Raspberry pi

7/9/25

Lucas Doná Sfalcin, Mamadou DIOP4

7/1/25

Correct license plate with wrong letter read

use regex first then score share the result and score you get for each image On 1 Jul 2025, at 12:45,

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Correct license plate with wrong letter read

use regex first then score share the result and score you get for each image On 1 Jul 2025, at 12:45,

7/1/25

Søren Hyltoft, Mamadou DIOP3

6/20/25

VIM3 ignored

It's not so much about getting a refund for licenses, but more about your arrogant attitude. You

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VIM3 ignored

It's not so much about getting a refund for licenses, but more about your arrogant attitude. You

6/20/25

Etem Sezgin, … Mamadou DIOP21

6/20/25

Khadas vim3 Graph verify failed

Never mind. We only support one os version and it must match https://github.com/DoubangoTelecom/

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Khadas vim3 Graph verify failed

Never mind. We only support one os version and it must match https://github.com/DoubangoTelecom/

6/20/25