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Questions tagged [computer-vision]

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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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31 views

Self-hosted OCR

I am looking for self-hosted OCR software. Requirements: Optical character recognition on images Not just documents but also natural-scene-images Linux Support List item Examples: https://ocr.space/...
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15 views

Is there a software that stitch 4 images together to form 1 big image?

Suppose I have a phone with bad camera, I want a good quality image. I take a photo at each corner of a document. So I will have 4 photos. I want to concatenate these photos together to get one big ...
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What Python library / API would you recommend for basic on-screen image and text processing?

I am building an application that interacts with my business's websites, as well as will hopefully manage some of the internal emailing as well. The emailing part is the tricky one; for the rest, I ...
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11 views

Extracting pieces of information from faces

I need to extract person features from photos. Features that I care about: sex race age hair color* eye color* (Features with * is nice to have but it's not necessary)
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1answer
52 views

Need .NET library for machine vision

I am writing something in C#/.NET in Visual Studio to find blobs (small white circles on a dark background. I need to translate these center points of the blob to real world coordinates. I would need ...
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8 views

What can recognise handwritten check marks and notes on a survey questionnaire?

I have some questionnaires that are manually filled. Its couple of multiple choice questions & one of the MCQ has a comment section. People have just scratched (big & small ticks, crossing, ...
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1answer
32 views

Prebuilt ubuntu setup for deep learning

I want to work on deep learning and computer vision in linux, say ubuntu. I know there are prebuilt images in AWS, Azure for this purpose. But I want to install it on my PC to VirtualBox or to hard ...
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Is there a python library for classifying whether an image contains handwritten text?

I don't require what is written inside that image, i just want to know whether an image has any handwritten text.
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9 views

Create your own Cascade File

I have started to study object detection with Python-OpenCV. I want to create my own cascade files. Is there any software that will do it instead of me? For example, I can just give the positive and ...
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13 views

Object tracking recomendations?

I'm looking for recommendation on what exactly i should try to learn to tackle this problem: I'm trying to analyze the physical characteristics (ie: location, velocity, and acceleration) of a ball ...
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1answer
40 views

Computer vision without internet connection?

I want to recognize a purple flower between green grass and to do this I will use computer vision. I read that most used methods is OpenCV but I have a problem. I will use this technique with a robot ...
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1answer
37 views

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
22 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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1answer
78 views

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
21 views

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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2answers
92 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
72 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
32 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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0answers
103 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
49 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
110 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
463 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
3k 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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2answers
107 views

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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0answers
16 views

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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1answer
82 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
115 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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1answer
187 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
82 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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35 views

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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20 views

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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16 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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24 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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0answers
85 views

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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0answers
22 views

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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173 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
54 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
480 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
86 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
282 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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1answer
215 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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6answers
10k views

Find visually similar images to a given image on Linux

I’m looking for a tool/software 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 Find ...
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4answers
8k 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
119 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
32 views

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
255 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
5k 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 ...
4
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1answer
218 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
2k 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
174 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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