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Questions tagged [image-processing]

programs that manipulate, enhance, or convert images

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3d model construction using depth cameras on android

Many modern Android phones are equipped with depth (camera) sensors. I am trying to construct a 3d model (using 3d modeling software such as meshlab) of a physical object that is being scanned by a ...
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Remove delay from IP camera to get realtime difference [on hold]

I'm working on a firing simulator, We have successfully detected the bullet shots on screen, for the purpose of video recording we are using IP camera, but the problem in the camera preview(VLC player ...
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Image stitching application to compare with Autostich

In my project I need to make comparison of two different image stitching apps. First one (and which I used in my project) is Autostich. It works perfectly for my tasks and I stopped to looking for ...
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What is the best way to use ASM and ACM in face detection

I am trying to make the face expression decision. First of all, I need to detect face from a video. According to my research, I found two different algorithm for face detection. What should I choose ...
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Image viewer, free, with specific needs for quick sorting of bracketed/“spray and pray” out-of-camera material?

Does any of the free (as in beer) image viewers available offer all of these in one package: optional automatic deletion of corresponding RAW files when deleting a JPEG very fast performance (so RAW ...
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Mac application for batch resizing multiple images into multiple sizes per image, with image width appended to file name

As per the title, I need an application for batch resizing images into many different sizes, appending the file width to the title. These processed files could all be saved into one new folder, ...
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Can someone recommend a Javascript-based Image Editing software with selection tools?

I am looking for an Javascript-based image editing tool that has a selection feature. I would like to select a region and manipulate only that region by adjusting certain attributes. I am also ...
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Tool to draw graphics by template definition

We are generating technical documentation at work and are currently taking screenshots then manually draw on the screenshot to highlight different areas or controls in the image. The text in the ...
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6 views

Pixel location and color to Image

I have a file full of locations and colors. A normal text file. It has hex color vals. What can take something like that and create an image? (Indexed colors to image)
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API to get real time full-screen image statistics

I'm looking for an API to use that will let me, in real time, gather statistics and what's the screen. Doesn't have to be fast enough to run on 1 frame, something like a polling solution that is fast ...
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JavaScript library to get dimensions of non-transparent content inside PNG image

Is there a way to find out dimensions of the image without the surrounding transparent margin? I am primarily interested in rectangles which are surrounded by bigger transparent rectangle. If for ...
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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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Face Quality Assessment Library

I'm looking for a Face Quality Assessment library for a university project to detect face is blocked or facing side ways. I found this 2 research paper https://arxiv.org/pdf/1706.09887.pdf and https://...
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1answer
22 views

low level embedded drawing library

for visualisation purpose I need low level embedded drawing library (preferably written in C) for real time working , I would be calculating some data and than makeing histograms , for this I need an ...
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Software options for edge-preserving upscale

I have been looking into options for edge-preserving upscale algorithms, those that try to infer subpixel detail in the original and then render it into the upscaled image. Such algorithms of course ...
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Pre processing method for images before passing to OCR

I want to find a generalized method that can help me improve accuracy of OCR output. I have tried several methods in OpenCV i.e binary thersholding, adaptive thresholding, blurring, closing etc. After ...
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Reverse image search (of the type Google's “Search by image” can *not* do)

I would have thought Google Images' algorithms are by now sophisticated enough that their "Search by image" feature does a pretty good job idenityfing web pages where the same or a similar image can ...
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Software for removing leader lines from images

Is any software known to remove leader lines (and labels) from images? Think of images with labels naming specific elements visible on the image with leader lines that cross the image. For instance a ...
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1answer
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Image editing software for fast touch up of marketplace product pictures

I'm looking for an offline image processing software that let me edit pictures in a semi-industrial way. Each picture need to be processed individually (not batch), but the current process is very ...
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Programmatically find sub-image in the another image

I'm looking for Java library that will allow me to programmatically find sub-image in another image. The sub-image can be rotated and/or resized in the target image and the library should be also able ...
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3D to 2D multiple view

I need a software to achieve the following: Input: 3D cad + 2D image Process: Projecting the 2D image onto the 3D object surface from a specific view. Capture 2D image of the object(with the ...
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Lossless JPG rotation as a Nautilus context menu or lightweight GUI

I often have to rotate JPG pictures that are precious originals, often taken years ago with cameras that did not have many pixels. Right now I rotate them with GIMP, but due to the arbitrary ...
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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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Passport data read, text and image

I want to know about an API which can perform two operations 1. Read image from passport and compare with the other image 2. Read text/mrz from passport and convert it to object which I can ...
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Video processing software/libraries for face and head detection

I need to find a software or a library that can analyze pre-recorded videos and find certain actions such as turning heads, blinking eyes, smiling, etc and give timestamp of a gesture or emotion. The ...
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School project - School order system [closed]

I need help deciding what approach to take designing an 'order system' for school. It will catalogue items and allow teachers to order those items in a budgeted manner. My current potential ...
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GIMP filters for processing scanned crumpled documents

I happen to routinely need to do the following: Take a page or a piece of paper which has seen some wear (and sometimes tear); which is often printed with toners or ink cartridges running low, or with ...
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Looking for an Easy-to-Use Image Recognition C++ Library

Few years ago I found a very good c++/c# (not open source) library for template matching, but I can't find it anymore (forgot its name). What do I need: I got different images with several figures ...
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1answer
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Adding a white outline surrounding the image (irregular shape)

I have several image and want to make it as a sticker. I want to add a white outline border surrounding the image. (not the rectangular one, need the one follow the shape of the image) Any software ...
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1answer
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Software where I can upload a bunch of images and it will randomly select a handful of them?

Something that works in Windows 10 and is free. Preferably shows them all in a row or in 2 even rows (one on top of the other). Willing to use a website too. Thanks in advance! This is for study and ...
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1answer
35 views

Mobile Zonal OCR document scanner in offline

I am looking for a mobile sdk which can be capture and process a document using zonal OCR, would return a value which is part of a predefined area in an document in offline. I have gone through some ...
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2answers
56 views

Software or method to batch invert b/w images

I have directories of 100-500 small black & white image files (jpg) that I need to batch invert, from white text on black to black text on white. They will then be input to tesseract-ocr. I am ...
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Fixing corrupted jpgs that still looks ok visually

So like many people lots of my jpg photos had not been properly backed up with parity bits and all my backup copies had become corrupted due to "silent data corruption". I scanned my drive using the ...
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1answer
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Unix (MacOS) Command Line tool for manipulating HSV of Videos and/or Images

I have a directory full of about 10,000 videos, and I need to manipulate their color scheme in a few ways. I would like to make a copy where they are all slightly bluer/darker, and another copy where ...
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1answer
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iOS image annotation tool, to make highlight mask

Help, looking for an iOS way to do this: (highlight by using translucent mask). I know how on a desktop... looking for mobile method. Thought maybe the "mask image" workflow in Shortcuts would do it,...
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Image beautifying software

I'm looking for a program that will automatically beautify images, similar to Picasa Desktop's "I'm Feeling Lucky" editing option. A plug-in for image software would do the trick as well. This ...
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1answer
48 views

Extract Sound Wave

I am looking for a Software from which I can Extract the Sound Waves to be used in a Graphic Software. It is basically for gifting to someone. Can someone guide me in right direction? A command line ...
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Does anyone know of a program that auto-indexes or displays the color code in hex right over all the pixels at once?

I've read this article: https://lifehacker.com/how-to-uncover-blurred-information-in-photographs-1648562658 and I've got curios if there's a program out there for Windows 7 than can do the same it ...
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Is there a Word add-in or macro for in-place image color inverting inside document text?

I have many cases when i need to invert picture colors in Word. I believe many people miss the ability too. There many build-in picture effects, yet "invert color" is absent, as of Word 2013 and below,...
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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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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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Automatic rotation correction for text scans

I have been scanning book pages and using Tesseract for OCR. The results are OK, not great. I haven't been fixing the images' rotation and, according to the Wikipedia article, that can affect ...
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0answers
54 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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0answers
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Is there an automated way to split a comic book into its panels (frames)?

I am looking for such a piece of software running under Linux or Windows. The input format of the files do not really matter (I'll convert my files accordingly): pdf, cbr, cbz, images, epub, ... But ...
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0answers
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(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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0answers
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Program to intelligently extract bitmaps from binary data

I have a binary file which contains several images in various uncompressed formats (24-bit per pixel RGB, 8-bit indexed pixels, etc.). Interspersed in this file are also strings and other data. I'd ...
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1answer
14 views

Free tool that fills transparent areas in a picture in a content aware way

Photoshop seems to have a feature to automatically fill transparent areas in a photo in a content-aware way with machine learning where the machine learning guesses the best way to replace the ...
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0answers
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Tool to combine thousands of small tile images into a single image, with correct ordering

This is similar to several other questions that suggest imagemagick's montage ands other tools. But none of them say how to handle my situation, nor how to guarantee file ordering. Example questions: ...
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2answers
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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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1answer
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Software which can do batch, planar image stitching

I have a 4-axis motorized microscope that takes images of an insect in a 2D raster pattern, and repeats this multiple times while rotating it. Through software like Microsoft ICE, I stitch the images ...