Questions tagged [image-processing]

programs that manipulate, enhance, or convert images

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2
votes
1answer
94 views

Know if an image is similar

I'm developing a mobile app and I want to know if you know any JavaScript library or similar to compare two images. I need to apply a search for similar images after the user takes an image with the ...
2
votes
1answer
45 views

Add alpha channel and remove background for more than 2 images at once in Windows

I look for a tool, most desirably open source or Free software, that can run on Windows 10 and has a GUI, that can take X number of images (definitely more than 5) and just add Alpha channel to all ...
2
votes
2answers
848 views

C# 64 bit WebP encoding library

All the existing (Interop) C# libraries I've found wrap a 32 bit version of libwebp.dll As a result, I (correctly) get an ImageFormatException when I try to use the wrapper from a 64 bit program... ...
2
votes
1answer
81 views

Software to straighten an oblique rectangle (due to picture perspective) to 2D rectangle

I took a picture of a plaque, but it is oblique due to the perspective. How do I straighten it to a 2D rectangle? Requirements: I would only have to click 4 points, push a button, and that's all. ...
2
votes
1answer
57 views

Application to do image normalization on an image, with Least square adjustments

I want an application to do image normalization on an image, with: Least square adjustments Intensity hue saturation Pseudo invariant Requirements: Free Runs on Windows
2
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0answers
12 views

GIMP plugin for rectifying scanned documents on Linux

I use (Devuan) GNU/Linux. I often scan official documents I receive, and want to store them. But the process of scanning (and sometime the original printing) distort the image relative to the original....
2
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0answers
19 views

Image viewer that randomly displays images from sub-folders using tag filters

I have a parent folder named "Pictures" containing tens of thousands of pictures that are organized in sub-folders that are named by date such as "2020-04-07". Some of these pictures have been taken ...
2
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0answers
13 views

Convert diagrams to graph data

There are some publicly available PDFs and image files of diagrams showing UK rail track layout (basically flow charts), which I want to parse to something more computer-friendly (a database perhaps, ...
2
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0answers
18 views

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.
2
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0answers
118 views

Applications/utilities for handling JB2E files in Linux

JB2E is a file format for 1-bit (bi-level) images compressed in the JBIG2 compression standard. Unfortunately, it seems to have extremely poor support, even though it's been an ISO standard for ...
2
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0answers
9 views

WordPress image gallery plug-in with editing, filtering and moderation capabilities

We are looking for an image gallery plug-in that: Includes basic image editing within the interface (crop, resize) Allows for filtering and sorting by attributes (categories) within gallery Has multi ...
2
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0answers
13 views

R library/package to count cars in distorted images

I have a image recognition task, I have one million pictures and I have to detect how many cars are there in each picture. I'm a middle level R user, a beginer python user, and a midle Java user. ...
2
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0answers
282 views

Deep Dream Generator

I'm fascinated by Deep Dream pictures (Gallery) and I'd love to create some on my own. There have been a few online websites to upload pictures. Many of them do not work any more, but Psychic VR Lab ...
2
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0answers
66 views

Mosaic generator with variable size tiles

I am looking for a mosaic generator that allow you to use variable size tiles. Most generators allow you to only use fixed-size, square tiles. Some of the more advanced allow you to non-square tiles: ...
2
votes
0answers
17 views

(Bulk) Search and replace within photos

I could need a tool that can search and replaces pieces of a photo (bitmap; pixel graphics). All image editors I know have the ability to draw, clone or otherwise modify an image, but I don't know ...
2
votes
2answers
54 views

Software for automatically aligning and combining adjacent pixel-art images

I would like to know about (zero cost) software for automatically combining a series of pixel-art images of adjacent, overlapping scenes into a single composite image. OS isn't important. I'll be ...
2
votes
0answers
73 views

Open source alternatives to Image Processing API and Image CDN

I am working on a production-level software development for implementing Image Scaling and Transcoding . I would like to know are there Open-source alternative to Akamai and imgix for image processing ...
2
votes
2answers
80 views

Program that can resize images to fit a defined maximum size

I'm looking for a program on Windows that can resize images, preferably in bulk, to fit a certain maximum size. The images are in PNG format and are usually of a larger size than the limit of 3MB, so ...
2
votes
0answers
43 views

simple, fast, easy to use photo Croping software

I have a lot of photos. Eash Photo should be Cropped. Photos aren't 'same': different sizes,different angles,etc.So each photo should be cropped bu me manually,by selecting a rectangle.is there a ...
2
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0answers
42 views

Is there an easy to use open source pretrained or commercial API for object classification and localization in images?

There are a number of commercial APIs such as Clarifai and Google Cloud Vision that provide image tagging, however they don't provide any location or size (bounding box) for the detected objects, they ...
2
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0answers
13 views

Insert folder hierarchy as IPTC tags

I have a lot of pics sorted and organized in folders as ~2009/Gotham Trip/Selena's cam/ ~2009/Gotham Trip/Jason's phone/ ~2011/Work/Bludhaven Visit/Barbara's cam/ ~2011/Work/Blüdhaven Visit/Tim's ...
2
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0answers
197 views

Math / Image processing library for JS

First question here, feel free to edit / close / suggest. I need to do some simple computations on images in JS. The results are not to be displayed in a browser, so I don't need canvas utilities or ...
2
votes
2answers
49 views

Software to display change of positions for transition of image

User Story: I wish to help a teacher friend, who is co-ordinating children formations in the playground for a sports function at a free small-town school. Such as, forming the letter, K, forming a ...
2
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0answers
253 views

Explicit content image filtering/detection

I am looking for a software solution for detecting the presence of explicit content in a given image. The filter would essentially give a prediction of the likelihood of explicit content in an image, ...
2
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0answers
22 views

Fixing drifting and warping in tissue samples

I've got a set of slides that have been imaged under a microscope. The tissue on the slide floats on a water bath prior to being picked up by the glass. For example: In this image, you can see how ...
2
votes
0answers
37 views

Software to count structures in an image (rastergraphic)

I work with scanned plates from a report of an excavation. I need to count stones build in gravesites. I can do this manually, but it would be very time consuming and frustrating. I am looking for a ...
2
votes
0answers
720 views

Numbers/Text/Picture recognition in an Image using Java

I'm working on an university project, I have to find and existing Java code that allows doing number recognition on a picture of a soccer t-shirt. The title is more general because the problem can be ...
2
votes
0answers
144 views

Scanner Software That Auto Crops Scanned Image

I have a Dell V313w all-in-one printer that I would like to use to scan a very large number of images that are about the size of a postcard. Unfortunately the software that comes with this printer ...
2
votes
0answers
207 views

Android app for motion blur

Is there any android app which can give my image a 'motion' blur effect with 'direction'(angle or orientation) I can change? There are many image editors in playstore but no one has motion blur ...
2
votes
0answers
19 views

Software to batch extract what is reflected inside an image?

I am looking for software or a program operate on a folder of image to extract what is in the background being reflected off of shiny surfaces contained within the image. For example, can software ...
2
votes
0answers
17 views

User Posture Recognition

Is there a library that can help detect users posture using a web cam. Preferably the library can be invoked from C#. Could you please suggest a way of achieving this. I am open to any suggestion or ...
2
votes
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 ...
2
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0answers
38 views

Create seamless tileable images

What software can create a seamless tileable image from a resource image? I am familiar with the techniques in Photoshop, but I am more interested in software applications that are dedicated to this ...
2
votes
0answers
360 views

Android application to capture HFR video with time stamp?

I am currently using a Oneplus one device with cyanogenmod 11 and wish to use the device to measure short amounts of time captured on video (for example the swing of a pendulum).. Currently this is ...
2
votes
1answer
214 views

Edit a thumbnail in Rails

I want to add a cropping feature in my Rails project that's like what Facebook has today. When you upload your image you can edit the thumbnail so that it shows the part of the image that you want to ...
2
votes
3answers
138 views

Batch-combining large images

I have a bunch of equal-height images in PNG format that I want to arrange horizontally into a single image, without any overlapping. I need a software that can do this either automatically (e.g. with ...
1
vote
3answers
1k views

Which technology should I use to create Image Processing Web Application

I am working in a media company and here creating images is a daily necessity. They want me to create a online web application for editing and saving images. I am confused which technology should I ...
1
vote
1answer
38 views

Clean up greyscale images

I scanned a few comics, and have images like this I would like to have the background white ... in fact, I would like to have the white transparent, but that's just "nice to have", not "must have". ...
1
vote
1answer
119 views

Lossless JPEG crop GUI for Linux

I need a tool to crop pictures: Allows me to select a zone (graphical user interface). Crops JPEG files with any loss of quality. This means that it only allows me to select a zone at particular ...
1
vote
2answers
81 views

Lightweight commandline or GUI tool for Windows to correct wrong EXIF rotation metadata

I've noticed many of the photos taken with my Canon IXUS point-and-shoot camera have out-of-synch EXIF rotation data. Photos I took holding the camera sideways or upsidedown look right in File ...
1
vote
1answer
67 views

Bulk image resizer with definable sizes and methods

I'm looking for some software that will allow me to take a folder of images and resize each image to a variety of different sizes. I'd like to be able to bulk resize images define the exact sizes for ...
1
vote
1answer
249 views

Compare two image files for identical data - excluding metadata?

I have lots of photos from the web I’d like to add GPS exif data to, but I rely on removing duplicates by using comparison tools like cmp, md5sum andduff. If I edit the exif data, then no tools I ...
1
vote
1answer
174 views

Kaleidoscope and mandala generation tools?

Are there any good tools (free or paid) to easily create kaleidoscopes/mandalas and save them as vectors? Preferably that allow to use the outcome for commercial purposes / sell it. Tool types: online ...
1
vote
1answer
21 views

Getting co-ordinates of marker in cemetery from satellite photograph

maps.google.com offers this view of a local cemetery. What software might I use, preferably a Python library, that can approximate the locations of each of the cemetery markers (ie, the gravestones) ...
1
vote
2answers
68 views

Add a “banner” to top and bottom of many photos

I'm looking for a really simple (easy to use) piece of free software that can batch edit a large number of photos. I have a bunch of photos from my youth sports team, and I just want to add a "...
1
vote
2answers
144 views

C++ library for simple image manipulations

I'm currently using openCV for some image reading, filtering and resizing. However, openCV support a whole other bunch of functionality and is much too big for my taste. I'm looking for something ...
1
vote
1answer
412 views

Crop and de-skew scans automatically - scriptable, high-volume

I'm looking for a scriptable program (or .NET library) that I can point at a directory and say, "crop and deskew all the scans this directory, in place". (Scriptable because I have to run this on tens ...
1
vote
1answer
43 views

Scanning multiple choices answers from paper

I want to create a form that asks: How much do you agree with the following sentences: "Policy X is good" Disagree - Agree {Box1} {Box2} {Box3} {Box4} {Box5} "Policy Y is good" Disagree - ...
1
vote
1answer
263 views

Free software for background/foreground image extraction

I have many videos that I would like to replace the background in with my own custom background. I have a picture of the background in the video without any of the foreground objects that I want to ...
1
vote
2answers
44 views

increasing the resolution of a pdf image

I have a pdf with an image in it, that pdf was given to me by a coworker and they asked me if I could extract that image, because we need it for a project and we can't find the freelancer that created ...