Skip to main content
6 votes
Accepted

Reverse graph visualization

This can be done with OpenCV and some custom code in C or python, (it is not a very common requirement). The answers to this question do a great job of discussing how to go about this in C. For a ...
Steve Barnes's user avatar
  • 31.7k
5 votes

Image+OCR recognition in Python

When I hear image recognition, I immediately think OpenCV (where CV stands for Computer Vision). It has excellent support for Python, with lots of tutorials. For OCR, you want Tessract. And a quick ...
Mawg's user avatar
  • 9,033
4 votes

Reverse graph visualization

Mathematica has a built-in function called MorphologicalGraph. The open source image analysis software Fiji can do this too. The rough steps are: Smoothen the image if needed Threshold the image to ...
Szabolcs's user avatar
  • 567
3 votes

Libraries to recognize humans on photos/videos?

OpenCV includes mechanisms that can be used to detect people in a view as in https://www.pyimagesearch.com/2015/11/09/pedestrian-detection-opencv/ it is: Free, Gratis & Open Source A set of C++ ...
Steve Barnes's user avatar
  • 31.7k
2 votes
Accepted

Software to create an automated bot for desktop applications

Basically what you are looking for was developed as Sikuli by the Sikuli Lab at the University of Colorado Boulder and is now maintained and further developed as SikuliX by RaiMan and the open source ...
Steve Barnes's user avatar
  • 31.7k
2 votes
Accepted

Best image enlargement software, perhaps with with integrated ML / AI functionality in 2022?

The generally-acknowledged 'best' of these is… OnOne Resize - available separately or as part of the PhotoRAW suite. Topaz Gigapixel AI - also available as a bundle with DeNoise & Sharpen All the ...
Tetsujin's user avatar
  • 580
1 vote

Is there an app for searching through PDFs using images?

Try OCRmyPDF: brew install ocrmypdf ocrmypdf --redo-ocr <old file> <new file> Next option is: PDFGear Finally you can try also: getsearchablepdf
Suncatcher's user avatar
1 vote

Is there any front-end image recognition JS library?

A little older library is https://github.com/timhuff/canvas-phash. It's a library that uses phash to detect how similar images are.
Thomas's user avatar
  • 295
1 vote

Is there any front-end image recognition JS library?

I can remember two js libraries Tenserflow & tracking JS. Both can do like webcam tracking, real-time color tracking, face detection etc.
Chandan Manna's user avatar
1 vote

Basic image recognition software recommendation

You can indeed do this sort of task with a Raspberry Pi, Python and OpenCV there are a number of write-ups on how to do this on the PyImageSearch site such as https://www.pyimagesearch.com/2017/02/13/...
Steve Barnes's user avatar
  • 31.7k
1 vote

Calculate the size of things which are present in image

Those available for the PC aren't very useful for your situation. They mainly work to determine angles and areas from maps or angles for smaller objects. If you can photograph the item with your own ...
NothingToSeeHere's user avatar
1 vote

Calculate the size of things which are present in image

There might be software if you take a more feasible approach. Google Pixel phone apparently uses one camera but uses information from many video frames to determine depth. Depth is certainly required ...
Kind Contributor's user avatar
1 vote

Finding almost duplicate images in scanned photos

There are some programs that work decently enough. Unfortunately, one of them is (I think) no longer under development. It is a pity. VisiPics rates the similarity using colors. http://www.visipics....
Rafael's user avatar
  • 632
1 vote

Measure and log speed of vehicles in a video

What you are describing was developed in 1966 by a real estate investor and uses simple math to determine vehicle speed and was known as VASCAR. I can attest from experience that one can measure time ...
fred_dot_u's user avatar
  • 2,363
1 vote

Is there a consumer level handwriting synthesis engine?

The Visual Computing department at UCL have published their work in this field. A github repository containing usable code can be found here: https://github.com/thaines/helit/tree/master/handwriting
codecowboy's user avatar
1 vote
Accepted

Is there an offline image recognition app for iOS?

Looks like Aipoly does offline image recognition of basic objects. It is marketed for accessibility needs so I imagine if there are other apps like this one it might be easier to search for them by ...
Steve Moser's user avatar
1 vote

Know if an image is similar

I think you try to find the JavaScript with Image Template Matching here is link that give enough source for your project Resemble.js If you using Android than also go for OpenCV in android that ...
Amit Darji's user avatar
1 vote

Local Reverse Image search for comparison

Would the Picture edition of DupeGuru be sufficient? The tool allows you to specify multiple directories, say, one containing your collection and another with the search candidate, so this would seem ...
Simon F's user avatar
  • 111
1 vote

Human (body) detection/recognition open source software?

OpenCV can detect faces and/or upright people and has examples of doing both. It can be used from C/C++/python and is open source & cross platform. While it is not a ready made solution it can ...
Steve Barnes's user avatar
  • 31.7k
1 vote

Movement detection in and out of a perimeter from a live video feed

If you have a static positioned webcam, you can use Linux as an os with the program "motion" - it detects changes in the webcam view, and then can run a script when motion is detected. Lots of other ...
ivanivan's user avatar
  • 2,488
1 vote

Open source ready-to-use computer vision to tell whether a picture shows a dog/car/etc

On the Tensorflow Github site there are pretrained models, some of which are based on Image collections. I think with some digging you'll find more. Here is one available as a NodeJS model: ...
knb's user avatar
  • 2,960

Only top scored, non community-wiki answers of a minimum length are eligible