Questions tagged [image-processing]

programs that manipulate, enhance, or convert images

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An open source alternative to Wolfram Alpha

I want an open source alternative to Wolfram Alpha that is like a QA system that: can take in natural language and process it have image processing functions has scientific functionality and ...
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6 votes
1 answer
96 views

Compressing many similar large images?

I'm dealing with a large archive of satellite images of the Earth, each one taken 15 minutes apart over the same area, therefore they are quite similar to each other. Two contiguous ones look like ...
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5 votes
0 answers
88 views

Software for matching rectangular images in other images or PDFs

I'm looking for software that searches through multiple images or a PDF for an smaller image that I give it. The best example I can give is with this page from a stamp catalogue: I would give the ...
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5 votes
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126 views

Software that provides easy FFT, DCT and or DWT to watermark images

Is there a software package online that provides easy FFT, DCT, and/or DWT to watermark images? Even more specifically, JPG images. It should feature either batch file processing capabilities, or a ...
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4 votes
1 answer
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Which mesh processing library for python to chose

for a project I'm writing I need a library for python to process ".off" files (3d models mesh files), so I would be able to visualize them and save an image of several views of the model . (the ...
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4 votes
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Assess a picture's quality (size, contrast, sharpness)

I have millions of pictures of things (buildings, animals, people, etc). Some of the pictures are of bad quality, so they need to be shot again. How to measure the "quality" of each picture? I define ...
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4 votes
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70 views

Better picture->ASCII art converter, that takes character shapes into account

Typical picture to AA converter just treats all output characters as pixels, considering only it's overall boldness. I want Image -> Ascii Art converter that uses OCR technologies and choses ...
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4 votes
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2k views

Java Codec API to convert JPEG frames/images to MPEG video

I need your help & wisdom for selecting a Java Media Codec Library. Requirements: Codec most be 100% Java implementation (No native dependencies) Codec most be able to convert JPEG images to all ...
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4 votes
0 answers
39 views

Data flow image processing software like simulink

Is there any data flow image processing software like Simulink? I want a software like Simulink in which we can simply drag and drop tools without any coding. when you want to do a sequence of tasks ...
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4 votes
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125 views

Game development content pipeline/toolchain?

I'm a software developer at a gaming company, and we're currently undertaking efforts to improve our asset creation and management toolchain. Our initial idea was to code our own solution from scratch ...
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3 votes
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30 views

Linux command to add text to huge image (fast)

I have lots (100s) of 12208 × 6867px jpg images and would like to add a box and text on the bottom left of each image. I'd like a white box around text with x padding, and ideally a single rounded ...
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3 votes
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Sorting images (so they are viewable in windows' file explorer) by content similarity

I've been able to find a lot of similar questions, most on photos stackexchange, but I couldn't find any satisfactory answers. What I AM looking for: Sort/Rename images based on the similarity of the ...
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3 votes
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108 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....
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3 votes
0 answers
71 views

Library to determine whether a smartphone picture was taken with front or rear camera

I want to detect programmatically whether a picture was taken with: a front-facing camera, a rear-facing camera, or whether we can not tell. Is there a library for that? Requirements: Works ...
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  • 18.8k
3 votes
2 answers
83 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 ...
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3 votes
0 answers
65 views

Image improvement

I just stumbled across Deep Image Prior and am extremely impressed by its capabilities. Please, do take a look Not just artifact removal, which is excellent, but in-painting, where it can "recreate" ...
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3 votes
0 answers
80 views

Open-source, on-premise image analysis library/service with gender and age estimation?

I know there are paid solutions, including big providers like Google and Microsoft, that have Image Analysis APIs, but due to their big scale, I'd rather use a less robust open-source solution that I ...
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3 votes
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Quickly straighten and crop a large number of photos

I have taken several hundred photographs at an event. I would like to do some simple, quick editing of these, before sharing them. Specifically, rotating the photo to straighten it, and cropping it as ...
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3 votes
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226 views

Linux image processing program to batch-correct photos for scanning

I want to scan hundreds of A4 papers, but I don't have a scanner. I have a good camera though, so I: Put the paper on the floor Focus powerful lights on it (including sunlight) With the camera, zoom ...
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3 votes
0 answers
102 views

Bulk Sorting and Data Extraction from Scanned PDF

I work in a small company that will start dealing with some data processing, as an additional service to its core business. We need to accomplish two things for a large number of scanned PDF files (...
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  • 131
3 votes
0 answers
165 views

Create thumbnails (screenshots) of websites from list of URLs

I'm looking for software that will take my list of URLs and for each one create a thumbnail of the site. It must: Be free software I can run on Windows or Debian Linux Create thumbnails of equal ...
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3 votes
0 answers
43 views

Library/software that could be used to make ecards, overlaying text on images, etc

Is there any open source software or library that could make ecards, or be used to code up something which did this? The one essential feature is that it should allow overlaying text over images and ...
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  • 203
3 votes
0 answers
60 views

Detecting whether an image has been Photoshopped

I am looking for a program that can detect whether an image has been Photoshopped (or modified with some other program). Any OS is fine, I am mostly looking for a program with a high accuracy. Free is ...
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3 votes
0 answers
38 views

Looking for Pictures Joining/Merging Software

Iam looking for simple software that will combine multiple pictures into one. At this point iam not even interested in blending options (which i might like anyway). I just want them next to each other ...
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  • 31
3 votes
0 answers
248 views

JavaScript Canvas image processing library

I've been working on a project that I forever could not complete because of something I don't know how to implement. Does anyone know any image processing libraries (must use Canvas) that can allow ...
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  • 171
2 votes
0 answers
15 views

Use a low res image to find the high res version?

I have a low resolution image. I know that I have a higher resolution version somewhere on a backup drive. Is there any software that can use the low res image to find the high res version? Ideally, ...
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  • 151
2 votes
1 answer
421 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 ...
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2 votes
0 answers
18 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, ...
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2 votes
0 answers
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.
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2 votes
0 answers
356 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 ...
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2 votes
0 answers
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 ...
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  • 111
2 votes
0 answers
16 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. ...
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  • 21
2 votes
0 answers
379 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 ...
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2 votes
0 answers
79 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: ...
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  • 121
2 votes
0 answers
19 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 ...
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2 votes
0 answers
89 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 ...
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2 votes
0 answers
46 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 ...
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  • 101
2 votes
0 answers
46 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 ...
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  • 121
2 votes
0 answers
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 ...
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2 votes
0 answers
201 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 ...
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  • 161
2 votes
0 answers
262 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, ...
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2 votes
0 answers
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 ...
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  • 121
2 votes
0 answers
38 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 ...
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2 votes
1 answer
948 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 ...
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  • 121
2 votes
0 answers
149 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 ...
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2 votes
0 answers
210 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 ...
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2 votes
0 answers
20 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 ...
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  • 121
2 votes
0 answers
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 ...
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  • 1,492
2 votes
0 answers
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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  • 471
2 votes
0 answers
44 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 ...
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  • 798