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Questions tagged [computer-vision]

Computer vision is a field that includes methods for acquiring, processing, analyzing, and understanding images and, in general, high-dimensional data from the real world in order to produce numerical or symbolic information, e.g., in the forms of decisions.

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Merge two point clouds that have different scale but represent the same object

I'm working on a reproduction of a statue. I ended up with those two point clouds: The tiny one on the right is not far away - it's right to the big one. I need software that would allow me to ...
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1answer
17 views

How to simply check the visibility of cubes?

I have a camera and a pile of up to 10 cubes. I know the position and orientation of the cubes and the camera. Now I would like to figure out what pixel belongs to what cube and create a labeled image ...
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Finding almost duplicate images in scanned photos

I have a lot of printed photos which I have been digitalising. As it happens, some photos were printed more than once, and as such they have been digitalised more than once. I am trying to find those ...
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1answer
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Image processing software for extracting fields from a form

I am looking for recommendations for a somewhat intelligent image processing library. My use case: I will scan multiple physical paper forms. I want to intelligently identify the edges of the form (...
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Annotation tool for machine learning allowing float values.

I have found quite a view great labeling tools. Like image labelling and annotation tool However none of these allow to give float values as expanded labels. For example: Draw rectangular around ...
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46 views

Compare two images, and return the rate of similarity (e.g., in %)

I am looking for a program that can compare two images, and return the rate of similarity (e.g., in %). Any license, price, and operating system is fine. I mostly interested in the quantity of the ...
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1answer
65 views

A library for C# that compares colors from webcam feed

I want to write a program that can grab a frame from a webcam feed (usb webcam), takes a color sample from a specific coordinate, compares to a previous frame or specified color, and then takes an ...
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1answer
30 views

Is there a consumer level handwriting synthesis engine?

A number of papers have been written on handwriting synthesis using techniques such as computer vision and neural networks. Can anyone recommend any software (including reusable code) which can ...
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39 views

Could I use Amazon Rekognition to uniquely identify animals?

My team is starting a project that will use computer vision to identify animals. This is not a simple computer vision problem like: 'is it a frog?: yes|no`. The idea is that a camera takes photos of ...
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2answers
40 views

Machine learning for traffic sign recognition

I am working on a project and I need to detect traffic sign. Given my limited experience with machine learning and deep learning, I was wondering if someone could point me to any open project or ...
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1answer
98 views

Automatically find small objects in picture and extract them as smaller images

We plan to create photographs of small particles using a microscope. These small elements tend to be convex and they are not supposed to touch each other. The background can be a little bit noisy, but ...
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1answer
372 views

Onscreen image recognition for Linux

I am looking for an open source program to recognise known features, letters, numbers and symbols, displayed on my screen on a 2D plane. There may be some occlusion or particle effects over the ...
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1answer
1k views

What software can I use to extract motion from a video file?

I have video files recorded by a surveillance camera. Every file is 24 hours long. While I use Linux' motion to do motion detection in real time directly from the camera, I also would like to check ...
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3answers
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Movement detection in and out of a perimeter from a live video feed

I have a school project and I need to do perimeter control in an open area. So I have a drone up in the air to provide live video feed into my computer but I have no idea how to detect when ...
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Output some development metric for each muscle of the human body given a picture of a human

I am looking for a program or web service that takes as input a picture of a human, and outputs some development metric for each muscle of the human body. By development metric, I mean some metric ...
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58 views

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

I have a million pictures, and need to categorize them with keywords. Example: A picture of a dog driving a car near the Eiffel Tower would get the keywords "dog" and "car" and "eiffel tower". ...
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4answers
91 views

Camera video software motion

I have a 12 hours of videos with 9 channel that I need to review. Is there a software that would allow me to know where in the video there was movement or at least anything to help in the process? ...
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2answers
172 views

Image recognition library that accepts transparency

In order to complete a personal project I need to know what the "tools" (libraries) will be in order to do so. I need a library that would be capable of detecting images in a 3D game (so that I can ...
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1answer
79 views

Freeware that detects entities in pictures

I'm looking for freeware most preferably with open code that detects basic entities in pictures. It means if I run it over a picture (gif, jpg, etc.) the system will find basic entities such as ...
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What is the best algorithm/library to use to detect vehicles in an image/video?

I have used opencv to train HAAR cascade, and I implemented it with opencv-java and found out that it gives false positives and its only good for face recognition. There is HOG descriptor, but ...
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Affordable real-time stereo reconstruction software?

Here's more information: I’m interested in capturing the real-time deformation of a small object on the centimeter scale. My price limit is $USD 500.00 The OS I'm using is OS X El Capitan. ideally ...
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15 views

Parallel version of SIFT?

I know that SIFT is considered (according to many paper) the most accurate detector & descriptor available. Btw, it's one the slowest solutions also. So, there is any parallel implementation (...
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0answers
23 views

Webcam-based behavior analysis of users reading a MS Word file

I am looking for a free software application to analyze reading behavior (where do they more stop while reading, etc.) of the readers of MS Word files. I guess such program would probably use an eye ...
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Any Computer Vision library that can detect and recognize my face?

There are many Image recognition library that can detect alphabets,face or object like OpenCV, EmuguCV, SharpCV... but is there any library that can recognize my face? It would recognize my face from ...
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Motion sequences

I'm looking for a software to script motion sequences, e.g. if you move your right hand forward press →. I have two normal webcams. It must: Be gratis and open-source Detect motion of at least: ...
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0answers
169 views

Fast deep learning framework for Android?

I'm going to participate in a team competition in robotics, which involves identifying and interacting with a number of objects in the surrounding, amongst others a red button and a human. To detect ...
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1answer
53 views

Command line software which returns image descriptions

I have a lot of images and I search a very specific one. The file name is probably not meaningful, I only know it's a jpg image (I have 25000 on my PC). I have no idea about when the picture was taken ...
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1answer
430 views

C library that can detect when eyes blink from a video

I m looking for a library of C algorithms which: can get an input video from a video camera can realize a software that can detect when eyes blink can be embedded to altium 3000 nanoboard is free or ...
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0answers
62 views

Extract circuit from schematic image

For my circuits homework, I like to use circuit lab (the same service that electrical engineering uses) to verify my work, but manually entering the circuits can be painful when they become large like ...
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1answer
223 views

Windows application that compare two similar pictures and find the difference [closed]

You know the spot the difference puzzles. Is there a app that can do that automatically?
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0answers
146 views

Finding duplicate images using SIFT / SURF algorithm

I have a large quantity of photos that I own spread across many sub directories on Windows 8. I wish to find all duplicate images, where the image may be resized, cropped, rotated or a border added ...
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4answers
5k views

Find visually similar images to a given image

I’m looking for a tool/software/OS that will take an image as an example and scan my hard drive to find similar images to it, just like what Google Images does on the Web. Must run on Linux. See ...
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1answer
919 views

Find visually similar images for a given image file (on Windows)

I want a software for Windows to find visually similar images (pictures) on my hard disk. My need is it must find a given image is visually similar. That is, take a sample image as input and search ...
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2answers
101 views

Libraries for identifying the face structure

I am working on a medical project to identify a syndrome based on the dimensions of face as a whole, eye, nose and mouth. Just to make it clear, I am not looking for facial recognition (to input a ...
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0answers
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Software to tell what a cloud looks like?

So, after XKCD's Tasks comic, Flickr created a solution for the problem mentioned there. Now I'm interested whether is there a solution to the problem mentioned in the Cloud comic. . So is there a ...
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1answer
235 views

Sky camera software with motion detection and color change detection

I'm looking for sky camera software with motion detection (for meteors and other objects). The camera is plugged in the computer (using an USB cable) and the software should look at the camera's view ...
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3answers
2k views

Filter motion in video file (surveillance video)

I recorded my 1 year old son in sleep with a night vision camera (to monitor twitching). I now want to automatically create a video containing all movement, e.g. I want to filter only the frames that ...
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1answer
206 views

Solutions for object recognition on mobile devices

I am going to write a mobile application that recognizes images within a closed target group. I guess the group contains 20 to 50 comic-like images like this. The application reacts if any of those ...
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2answers
1k views

Detecting sexually explicit content

I am looking for a program that Can detect the presence of sexually explicit images Works either on Windows, Linux or Android If possible: Accurate Free Can scan other documents (e.g. videos)
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3answers
161 views

A program that diffs 2 images

I'm looking for a program that does a "diff" between two JPG images. Requirements: The diff algorithm used by the app is known. Ideally, it should be verifiable via code inspection, but that's a ...
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0answers
60 views

Lip-reading software

I am looking for a lip-reading program (aka. speechreading program). My main priority is to have a transcription as accurate as possible, so links to benchmarks are welcome to support accuracy claim. ...
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469 views

Good open source computer vision software for C# (ASP.NET)?

I've already checked out EmguCV (built off of OpenCV). EmguCV is relatively slow. Is there any other good open source computer vision ASP.NET (using C#)? I'm primarily interested in object detection ...