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Questions tagged [image-processing]

For questions related to image processing (in the context of AI).

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Modern methods for denoising and deblurring images with different image sizes

What modern methods exist for denoising and deblurring images? Yes, I haven’t forgotten how to Google and spent a lot of time searching for the code of a neural network that would not have been ...
Quark-Coder's user avatar
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What is a suitable measure to determine whether a superimposed line is on a grid line?

I have an image of a rotated grid. This grid has slightly darker pixels which I'm trying to detect. Due to the nature of the problem, my solution is to superimpose a grid onto the image which I can ...
MCE_Dia's user avatar
1 vote
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52 views

Improve Performance of License Plate Recognition using EasyOCR

I wish to extract the license-plate text from images using EasyOCR. I am obtaining license-plate images from a 2MP camera's stream placed atop traffic light poles. ...
Rishi Sharma's user avatar
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2 answers
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Is there a model for facial detection based on an infrared camera?

I need an AI model for facial detection based on an infrared camera Is there an existing model for this with per-trained weights? Does this model work well when the lighting conditions may change ...
errolflynn's user avatar
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Realtime cuboid vs cylinder classification of a 2D mask / object from a 3D scene?

Most realtime SOTA segmentation/detection model can reliably segment an object from a 2D input, and I can get the contours/polylines describing its edges in realtime. By realtime, I'll consider ...
Filip Dimitrovski's user avatar
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Train a network to find the most sharp image from a group of images

I'm new to deep learning, and I am trying to find a solution to the below scenario, any suggestions about the keywords would be greatly appreciated. I have a data set with groups of images. In each ...
Sherry's user avatar
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2 votes
2 answers
477 views

Is it possible to detect image manipulation, for example deep fakes?

Is it possible to detect image manipulation, for example deep fakes? I will publish some photos on internet, and want others to be able to verify if photos are really from me, and also to detect if ...
Qsig's user avatar
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Does reducing the image dimensions before sending them to Language Models (LMs) significantly affect the processing time?

I am currently working on utilizing Language Models (LMs) to describe images in my project (Search Engine for AI images). However, I am wondering about the efficiency of the process, particularly in ...
Oleksandr G's user avatar
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1 answer
121 views

Do I understand the technology of AI upscaling of films and cartoons correctly?

With the help of artificial intelligence, it is possible to increase the resolution of images that are initially low resolution, bringing it to ultra-high resolution. Also, initially static images are ...
ayr's user avatar
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1 answer
187 views

How to accurately detect grid cell boundaries in Python image processing?

I'm working on a Python algorithm to detect individual cells of a grid passed by an image. Currently, I'm facing an issue where the values inside each cell are being selected as contours along with ...
Loris Simonetti's user avatar
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222 views

Watermark removal without inpainting

Suppose I have a bunch of images that have been watermarked with a transparent logo with some unknown blending function g as ...
Michael's user avatar
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68 views

Change face landmarks using face mesh

I'm trying to use computer vision or image processing techniques to make nose smaller. Using a SDK called mediapipe we are able to get face mesh, which provides ...
Mary's user avatar
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Why does the SIFT algorithm also capture keypoints at points where there is no change in color components?

Why asking image processing in here? My question is, about image processing. I can't find stackexchange site to ask about image processing, so I asking in here. Image processing is closed at computer ...
Yang's user avatar
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Building an algorithm that detects an area delimited by a quadrat

I want to build an algorithm that takes an image and outputs the same image, but cropped so that it focuses only on a particular area delimited by a quadrat, like so: This is not my image as I am not ...
Droidux's user avatar
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79 views

Calculating Homography for Image Stitching

Given two images that were taken from the same camera by pure rotation about the camera center, I am trying to stitch the images. I identified the 4 corresponding pair of points by loading in the ...
user2659117's user avatar
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Choosing a Deep Learning model to analyse microscope images

I have lots of simulated training data of microscope images and I want to train a network to count the number of points in the image. These points are distributed in concentric oblate shells. The ...
James's user avatar
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Feeding variable length of 2D image slices of the MRI into the deep neural network

I am trying to build a classifier that would predict the correct outcome (disease vs healthy) using a set of 2D slices derived from the 3D MRI scan. For each patient, based on the 3D scan, I am able ...
Oleg's user avatar
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Can Vision Transformers be used to extract features?

Can Vision Transformers be used to extract features, just like with VGG ? I am interested in using this vision transformer in extracting features (https://huggingface.co/google/vit-base-patch16-224) ...
Ahmed Gamal's user avatar
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12 views

Challenges in Developing AI Algorithms for X-ray Image Analysis on Large Datasets

Hello everyone, I'm currently working on a research project involving X-ray imaging and the development of AI algorithms to detect diseases from large ...
kibromhft's user avatar
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192 views

How to implement Image Fusion Equation in Python

I am new to image processing. I am trying to implement this paper. (official implementation is available on github the link for the same is given below) I have applied one fusion strategy. I am not ...
programmer_04_03's user avatar
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1 answer
149 views

CNN how to measure the amount of FPS that can be processed?

This is my first question in the AI stack exchange. I want to ask about how to measure how many FPS can a CNN model process during real time detection. I am working on a real time detection system ...
Jo Sky's user avatar
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1 answer
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Software to auto-mark facial points on images [closed]

I'm not interested in facial recognition per se, but my question is related. Is there a software (commercial, Github etc), which can mark, with color dots, the same reference points on a face (e.g. ...
MrSparkly's user avatar
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When should grayscale processing be applied to image inputs in visual reinforcement learning environments?

I am currently working with visual environments in Reinforcement Learning (RL) and have noticed differing practices regarding preprocessing of image inputs. Specifically, in the Atari environment, a ...
XiaoBanni's user avatar
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2 answers
73 views

How is the number of channels in a convolutional layer shrinked or expanded?

I know in order to shrink or expand the number of channels a 1x1 convolution is performed. I need to clarify the following: is the 1x1 convolution(s) just a matrix multiplication between the image ...
alexandrosangeli's user avatar
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59 views

How can we implement specific face makeovers with Stable Diffusion?

I need suggestions on what should be the exact process to achieve this use case. I have seen tools like this but I am not sure how they are operating on the backend and which techniques and APIs are ...
Duryab's user avatar
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1 vote
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Do all CNNs learn to detect edges in the first layer?

I was looking at 3D CNNs that process volumetric data, e.g. for MRI images of brain, where the input is a 4D tensor, and I couldn't find images from the filters of the first layer. Suppose that ...
ado sar's user avatar
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0 answers
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Connecting Human poses with BB

I am trying to estimate the crossing patterns of pedestrians based on their poses. I have a large dataset that contains videos named JAAD dataset. I want to make a prediction of the crossing based on ...
Lily's user avatar
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1 vote
0 answers
73 views

Resizing segmentation masks

I am trying to run a semantic segmentation model. The problem is, my data has different resolution for every image and for corresponding segmentation map (image and corresponding segmentation map ...
programmer_04_03's user avatar
1 vote
0 answers
28 views

How does the skin color follow Gaussian distribution in YCBCR?

I am still new to image processing and machine intelligence. I wanted to make a Python program that can isolate an image of a hand from the background to detect a specific hand gesture, so I came to ...
abdo Salm's user avatar
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1 vote
1 answer
210 views

Methods for combining features other than concatenation

I am working image reconstruction project. It is a part of multispectral image fusion. I am referring paper in the link mentioned below. paper link: https://arxiv.org/pdf/2101.09643v1.pdf For image ...
programmer_04_03's user avatar
1 vote
1 answer
91 views

Is it feasible to perform facial recognition on hundreds of thousands of individuals?

I came across a video with the title "you can buy things with your face in China". in the video, a woman scanned her face into a vending machine to buy a drink with only her face and without ...
Peyman's user avatar
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55 views

Can Stable Diffusion be considered a breakthrough for reconstructing images from fMRI data?

https://sites.google.com/view/stablediffusion-with-brain I recently came across a paper (not yet peer-reviewed) that describes the successful use of Stable Diffusion to reconstruct images based on ...
Lambert macuse's user avatar
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1 answer
16 views

using bitmaps for storing and analyzing numeric data (use case: flight sim game AI)

I had idea of storing flight mission data in bitmaps for analysis. Data stored could be velocity vector of our aircraft, velocity vector of target, location relation vector between the two, aim lead ...
heikki anttila's user avatar
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3 answers
153 views

How do I know if image after image enhancement is better than before? (Image Preprocessing)

There are few common image enhancement: ...
Muhammad Ikhwan Perwira's user avatar
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0 answers
41 views

What computer vision techniques can help me select the best image for object detection inference?

I have a lot of duplicate images. I need to make a selection to reduce the amount of images the Mask RCNN model will perform inference on. In every collection of duplicates, the images slightly differ....
Nick De Wispelaere's user avatar
2 votes
0 answers
87 views

How does one deal with images that are too large to fit in the GPU memory for doing ML image analysis?

How does one deal with images that are too large to fit in the GPU memory for doing ML image analysis? I am interested in detecting small structures on images which are themselves many GB in size. ...
Luca's user avatar
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1 vote
2 answers
1k views

Converting RGB images to Thermal Images

I am working on a project where I am planning to convert RGB images to thermal images. I can convert to either near infrared spectrum images or far infrared spectrum image. I am planing on using ...
programmer_04_03's user avatar
1 vote
0 answers
266 views

How can I solve the blurring problem in GAN generated images?

In my project I work in dresses dataset. I can solve the problem of black pixels but blurring still existed. I tried many computer vision filters like median filter, Biliteral filter, Sharpen methods ...
Abeer Elmorshdy's user avatar
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0 answers
52 views

Document Processing using AI

Deal all I want to Build a Document Processing AI Model 1-that Identify Document Elements Like table, Text , List , Heading , etc. 2-Sort this element in correct way if I wan to dump this data as XML ...
Ahmed Salem's user avatar
2 votes
0 answers
46 views

Can Inception-ResNet be inverted layer-by-layer?

It has already been shown that by using a normalization layer during training, it is possible to invert a residual network layer-by-layer. I wonder how similar Inception-ResNet is and whether a ...
Richie Bendall's user avatar
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1 answer
95 views

How do L2 norm and Jacobian act as a regularisation term to encourage smoothness in a deformation field?

How do L2 norm and The Jacobian act as a regularisation term to encourage smoothness in a deformation field? from the VoxelMorph original paper (here) they used Jacobian as a means to smoothen the ...
a__ys's user avatar
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2 votes
1 answer
72 views

Are the "artifacts" in select Keras MNIST training images really there or is my download corrupt?

I'm having fun with a ludicrously well known and used dataset: mnist. I am doing it with a huge and well known tool: keras. Please excuse the red dots, something else I was doing. I have otherwise ...
EngrStudent's user avatar
0 votes
1 answer
71 views

Segmentation of x-ray images to detect Covid-19

I’m currently working on covid detection project using x-rays. I applied K -means clustering algorithm (https://www.kaggle.com/code/naim99/image-classification-clustering-step-by-step?scriptVersionId=...
S i's user avatar
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0 votes
1 answer
536 views

What is regression activation maps?

I stumbled across a research topic : "the training of multiple regression activation maps (RAM) to study the interaction between two images". But, I cant find any decent definition of "...
rtnF14's user avatar
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-1 votes
1 answer
89 views

Extract a document page from a photo

I am trying to extract a document as an image from another image. Let's say that we take a photo of a document on a surface. My ultimate goal is to be able to digitize this document but as an image, ...
Panayotis's user avatar
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0 answers
45 views

How to classify images which are slightly different from each other?

(I hope I'm in the right place to ask such a question.) A robot has a fixed camera which takes images before extending its sticks to grab a box from two sides and pull it back. But if the box is not ...
bit_scientist's user avatar
0 votes
1 answer
108 views

Does the order of a Numpy array matter for CNN classification?

Image classification of RGB images in a Convolutional Neural Network is usually done by feeding the CNN first layer with a Numpy array with dimensions: pixel array by the number of channels. Example: [...
cristiandatum's user avatar
4 votes
5 answers
844 views

Can an AI generated image (such as pic of human face) be detected that it's AI generated?

AIs are getting better and better at creating images and art. Some of the stuff is almost impossible to be detected by the naked eye. But what about programs and algorithms? Instead of creating an ...
No Name's user avatar
  • 141
0 votes
1 answer
117 views

Is batch size of 1 a valid choice for a very deep neural network with high memory requirement?

I am training a very deep neural network (Panoptic-DeepLab) with a ResNet34 backbone on Google Colab on CityScapes dataset for Panoptic Segmentation, and noticed that, with a big crop size, the batch ...
A_C's user avatar
  • 111
1 vote
1 answer
136 views

How to calculate the total number of inputs in CNN?

I search this kind of question for a while and I find many discussions involve on counting the number of parameters of a Convolutional Neural Network, but not on the inputs. Using the Fashion MNIST ...
rodericktung's user avatar