Questions tagged [image-processing]

programs that manipulate, enhance, or convert images

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Calculating screen coverage

Here's my issue: I'm writing a web-design related dissertation, and I'm looking to calculate the percentage of an image taken up by certain web elements. I have a collection of 500 screenshots of ...
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19 views

PDF Compression: Lossless or near-lossless compression options?

I'm looking for a tool for macOS (Windows and Linux would also be nice) that will compress PDFs with a lossless or near-lossless methodology. There is an interesting discussion for ImageOptim PDF ...
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Need Help in identifying software for conversion of swf images to png

Need to convert swf images to png by using freeware online/software/Java program. Would like to know which is the best option apart from Adobe PS
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Searching for an image viewer for MacOS like a slideshow with auto fullscreen zoom without deforming the images

I am searching for an image viewer (also called image browser) for MacOS. I want to have folders of prearranged images (the order of the images in the folder is important). I want to be able to look ...
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20 views

Snipping/cropping tool for Windows that lets you use a square/custom aspect ratio?

I need to crop hundreds of images and make them all squares. So sizes like 600x600, 650x650, 747x747, whatever. Currently I'm going into MS Paint for each of them, manually cropping and resizing, and ...
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Most Suitable Technique To Compare Human Skin

I'm working on a project that involves analysing an image of a 3D avatar face and determining how realistic it looks. One of the metrics for this realism is based on the skin, more specifically its ...
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Image Resize + Compression + Progressive JPEG Conversion (+ Cropping optional) All-in-One?

I need to recommend software that will make it easy for a user to take an existing image and resize it (reduce dimensions), compress it, convert it to a progressive JPEG for perceived faster loading, ...
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which tool would help me to differentiate the laptops based on the make with their images?

if I upload images of laptops , can image processing tools determine if the laptops are same or different based on their make and number ? How can I achieve this using any of the tools?
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OCR reader for batch of images

I have a batch of screenshots from my favourite radio station, Primoridal Radio on my android phone. These images are saved in google photos. These contain the name of the song and artist. note: ...
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26 views

Is there a C++ library I can use to stitch together 16-bit images?

I am working on a C++ project where I need to stitch together multiple 16-bit images which overlap horizontally and vertically, and then save the stitched image. Is there a library which I can use to ...
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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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Multiple images to 3d print file

I'm trying to create a figurine of a friend. I'm looking for a software that will take multiple images or a video or whatever and give me an output that I eventually can turn into an STL to print. ...
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Extracting digits from an image and processing them

I work in a biology lab. Whenever we go out on the field, we start collecting data on notepads using some form of writing utensil. It's usually a large matrix I fill up with numbers. Probably the most ...
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Softwear to detect vertex of cells on grid table for java

I wonder which library or softwear is proper to detecting vertex of cells on grid table image. Please refer to the picture below. I want to know each position (x,y or value for distinguish each cells)....
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What library/technology to be used to apply .dng file(presets) on an image in android application

I am about to start developing an image processing/editing application in react native. I have some presets exported from adobe lightroom as .dng file format. I need to apply these filters/pixels on ...
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Client-Side Object Recognition

I am tasked with object recognition for images offline (for contractual reasons). This means that I cannot use services like Microsoft Cognition or Google Cloud Vision. I do not know if there are ...
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App for saving graphics for the web using efficient web-friendly formats

For webpages to load faster, provide better user experience, reduce bounce rate, save bandwidth, etc. (and and so possibly even rank batter), optimized images are needed. By 'optimized' I mean having ...
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Train mask RCNN model with RGB-D data?

I'd like to train a mask rcnn model using not just rgb data, but also include depth images. Is this possible and how would I go about doing it?
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Which algorithm can be used to compress image files ? Suggest any Python based algorithm

Currently I am working on a monitoring project.It captures the activity of user by taking screenshots and saving it in a folder. Later on I am applying image processing to identify the activity of ...
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Software for combining non-rectangular images on a large sheet

I would like to automate process of creating batch sheets for printing filled with a lot of non-rectangular images. These images (stickers) have various shapes and different sizes. Source images are ...
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Java Library to convert pptx to image

Use Case: I want to convert PPTX file slides into images and post it into my website I am searching for a library to convert PPTX slides into Images(jpg, png). Suggest me a good java library. I have ...
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Which C++ library to use for color quantizing images with user-defined palette and dithering?

I'm making a C++ application, and I want to quantize the colors in a imported image, using a fixed palette with optional dithering. Ideally, with many dithering algorithms for a user to choose from. ...
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13 views

Smoothly enlarge a small image

I am looking for a gratis Widows app, which can take a small, blocky, image - like this: and enlarge it, smoothing it out, so that it it is not blocky & pixelated, making it at least presentable ...
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SDK or SaaS to crop and deskew photographed documents

I'm looking for recommendations for a SaaS or a software library/SDK to deskew and crop photographed documents on a server. Users take photographs of paper documents with a smartphone, possibly with ...
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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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Open source Android app to make cloudy beach pictures look sunny

Central Japan has many beaches, but: There are always clouds, due to high humidity The sea always looks dark, probably due to the sky The sea is almost always opaque, due to particles The sand is ...
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What software to use in creating Android apps that have the ability to do image processing?

I am now trying to create an Android app where the app can detect a specific image or object using image processing. Is there any specific software or tools that I can use in order to develop my ...
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What should I use to detect a shirt on a person?

I am trying to use some sort of CV library to detect features on a human, specifically their shoulders, hips, and waistline. Given a bitmap, I should be able to manipulate it to look something like ...
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Command line Software to compress images

I need a command line software (preferrably) which can compress photos to a given maximum size so that I can easily upload it to websites.
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Object Detection Libraries

I need a Python or c++ library to detect cubic objects online in an environment with these data: [x, y, z] of the object w.r.t. camera [length, width, height] of the object Does anyone have any ...
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Capture and upload an Image using HTML 5, which is supported on every browser and platform

So I'm looking for something in HTML 5 to capture an image, which also should be capable of these: 1. It should be working on all the browsers and platforms. 2. Has the functionality of Image ...
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4answers
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Are there any good image scaling tools that are free?

I am looking for a program that can Scale images by a factor of around a 1.5 -2x scale factor. I haven't seen any programs that aren't behind a paywall. Any help would be appreciated, thank you.
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A python library to adjust exposure of an image

I need a library, ideally python, which can adjust exposure of an already captured image. It could be a jpeg. It should be similar to how you can adjust exposure in apple's preview app. I searched ...
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Tabbed Image Browser for Windows

I'm looking for image browsers/photo managers in the same vein as: Picasa XnView MP Faststone Image Viewer but with support for multiple browser tabs (not just individual image viewer tabs) Note: ...
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Alternatives for pHash (media fingerprinting)

I have been using pHash (phash.org) for many years to detect copyright infringements on images and videos. pHash creates fingerprints of media files that can be saved and compared afterwards. ...
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What's the best way to apply image transformations to a live video feed on a raspberry pi?

I am trying to build a vr headset that displays a live feed from a camera, and in order to do that I need to display the video twice side by side and apply distortions for the vr lenses. I'm currently ...
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FreeBSD command-line tool to convert text file to image

Example text file: $ cat test.txt _ _ _ _ | | | | ___| | | ___ | |_| |/ _ \ | |/ _ \ | _ | __/ | | (_) | |_| |_|\___|_|_|\___/ Example output (generated with convert from ImageMagick): ...
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Two part question about hidden temporary urls for images and modified image copy saving

What libraries in nodejs should I use in order to be able to do the following two separate things: first: Hide the direct url to the saved image from user by utilizing a "dummy" url with a time limit ...
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Analyzing multispectral images data from a drone

We are planning to develop an application/software for monitoring of rice field. After researching, I was curious on how to analyze the data from drone camera. Reading the data and then showing the ...
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Software to raise the definition of text in a bitmap image

I have a screenshot taken from facebook and if it prints blurred because the DPI resolution of the monitor is very low compared to the printer resolution. I'm looking for a software which can upscale ...
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39 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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Need recommendations for python libraries to identify the vehicle type (car, bike, bus)

I'm trying to develop a vehicle type identification system with my Raspberry Pi (with the Camera Module). When the camera is directed to a vehicle, the system should identify the type of that vehicle (...
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What software is for generating Digital Elevation Model (DEM) (.tiff) from a satellite images pair?

I am doing a project concerning to extract DEM from high-resolution satellite images. The images were resampled with epipolar resampling. Is there software that is with a free license and easy to use ...
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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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4 views

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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7 views

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 ...