Develop a stand alone image processing device

Hi peeps,

I have created one device which reads qr code and process the data and gives result in display using Raspberry Pi. For me now challenge is I have to remove Raspberry Pi and should not use any other development boards. Instead of using development board I have to use any Microcontroller or Microprocessor or FPGA(no Idea) like I wanted to mount everything in a single PCB. So I'm requesting you people to suggest me a good Microcontroller or Microprocessor or FPGA which is equivalent to Raspberry PI

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michaelkellett over 5 years ago

Since you already have something working you can define the resources it requires to run. This will enable you to select the least device to implement your design. FPGA s are not likely substitutes for a Raspberry Pi, there are several micro-controllers with camera interfaces, lots of memory and significant processing capacity.
What language Is your code written in ?
Do you use library code and/or operating system services ?

If you just use a processor which is similar to the Broadcom devices used on the PI you will end up with it costing more than a PI unless you are going to make millions of them.

MK
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roshan4544 over 5 years ago in reply to michaelkellett

Hi Micheal Kellett,
Thank you for the reply, actually I don't have idea of minimum requirement. I'm using Raspberry Pi 3B+ in that using 640*480 resolution camera with 15fps frame rate. It runs smoothly.

I'm using Python language along with openCV

And open sources I can learn easily.
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michaelkellett over 5 years ago in reply to roshan4544

Sorry Roshan, that's nothing like enough information to work out what kind of processor you need:
Using Python and openCV is a staggering inefficient way of decoding a bar code in terms of minimizing hardware or processor cycles.
It is not readily translatable to FPGA or custom logic.

QR codes can be decoded on ARM Cortex M4 class processors:

http://www.codeforge.com/article/463122

MK
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roshan4544 over 5 years ago in reply to michaelkellett

Hi, I forgot to inform you. The barcode is hidden information. Barcode is visible when some color filter is applied to camera. I actually get unclear image after filters. I have to enhance the image before reading it. So I'm gone for Raspberry Pi
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ankur608 over 5 years ago

Use ESP32 Cam, a 32bit MCU is enough for this task.
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roshan4544 over 5 years ago

I found solution.
Actually I can do in Raspberry Pi Only with Raspberry Pi Compute Module

https://www.instructables.com/id/Design-Your-Own-Raspberry-Pi-Compute-Module-PCB/
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