Hough Transform for Line Detection #50
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started work on this here: https://github.com/maxcan/GPUImage2/tree/mc01.1-add-hough-line-detection very preliminary, but any thoughts / feedback / suggestions welcome. |
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Im working on an archery scoring program, and I'd LOVE to see if I can test this. I'm a complete image processing and iOS/Mac newb, so any help you can give to me to get this up and running on a test image would be great. |
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This would be awesome to see. We're working on a screen-based OCR system, this would be a key piece in detecting lines of text! (Combined with being able to attach GPUImage to a screen recording AVCaptureSession). |
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distantly related - BradLarson/GPUImage#2208 |
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I'm working on driver license detection and recognition for OCR system. I'm capturing card image using AVcapturesession and trying rectangle detection by using Hough transform. So I need preprocess captured image by using GPUImage2 library in Swift 5.0, but I can't build it in Swift 5.0. there are so many errors. |
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Ase, not much help on using Hough for this, but there's probably other
solutions as there are a lot of CC capture apps right?
EG -- they're just scanning the barcode!
https://scannrapp.com
W
…On Thu, Apr 11, 2019 at 7:48 AM Ase Naritoshi ***@***.***> wrote:
I'm working on driver license detection and recognition for OCR system.
I'm capturing card image using AVcapturesession and trying rectangle
detection by using Hough transform. So I need preprocess captured image by
using GPUImage2 library in Swift 5.0, but I can't build it in Swift 5.0.
there are so many errors.
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@ase, I found this that might help you?
https://github.com/garnele007/SwiftOCR no experience, but I'd have started
with a higher level library. I'm lurking here as I'm hoping one day to
detect arrow shafts in a target, which is pretty niche, but it feels like
card scanning is a "solved" problem at this point, so unless you're doing
it for a learning project, I'd just find something that's targeted at your
problem.
…On Thu, Apr 11, 2019 at 7:48 AM Ase Naritoshi ***@***.***> wrote:
I'm working on driver license detection and recognition for OCR system.
I'm capturing card image using AVcapturesession and trying rectangle
detection by using Hough transform. So I need preprocess captured image by
using GPUImage2 library in Swift 5.0, but I can't build it in Swift 5.0.
there are so many errors.
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<#50 (comment)>,
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It was in the first GPUImage but hasn't been ported over yet. This would also require the Parallel Coordinates transform be ported over.
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