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Questions tagged [image]

The image tag is for questions related to the loading, formatting, saving, compression, and display of images in the context of source code. This tag should also be used for assistance using various image libraries. Questions about specific image formats should include the tags for those formats. Include tags to mention if the question relates to format conversion, processing, etc.

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rogner une image par rapport à la couleur des pixels

Bonjour, Je travaille sur une image ne contenant que du texte (plusieurs paragraphes distincts). Je souhaiterai ne récuperer qu'un seul de ces paragraphres. J'ai plusieurs images structurées de la ...
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Image to pdf convertion in flutter

I am currently working on a photo scanner app in flutter and searching for a way to convert images to pdf. It would be great if anyone helps me
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React Native (Expo) app - Draw from local image into canvas using drawImage() method

I have a transparent PNG sprite sheet which I load into an tag and then when 'onload' fires I save the element into a context object (ImageLoader.js) so I can later use it with drawImage on a canvas ...
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How to save ax.plot information as pixel data?

Given a simple example of code that draws lines between given coordinates with the use of ax.plot() import matplotlib.pyplot as plt x_values = [0, 2, 4, 5] y_values = [3, 1, 5, 2] fig, ax = plt....
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Extracting binary data with Exiftool

I am doing a steganography challenge. I have a jpeg file, and when I look the metadata of it with Exiftool, I see something interesting. Red Tone Reproduction Curve : (Binary data 64 bytes, use -b ...
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Image Converted from WebP to JPEG Problem

Recently i just found out that images with WebP format has problems on iOS devices. My client reported that images was missing in his website he was using iPhone but viewing on my android was fine. ...
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How to read the result of cv2.findContours?

I have a binary 2D-matrix b with shape (340,490) and apply cv2.findContours(b,1,2) on it. The result is a 3D array with shape (6, 2, 1) like [[90,3],[5,60],[90, 110],[5,135],[3,200],[3,3]]. I can't ...
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Pillow - GIF File Size

The following program uses the Pillow package (3.4.2) to create a very simple GIF file. The file size is 11.2 KB. from PIL import Image, ImageDraw img = Image.new('P', (400, 300)) draw = ImageDraw....
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Access-Control-Allow-Origin header is present on the requested resource [duplicate]

I'm trying to src the image in my html. But getting some error that is Access to image at 'https://kaberatech.s3.us-east-2.amazonaws.com/voice-bot.jpeg' from origin 'null' has been blocked by CORS ...
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Display image that returns HTTP 503

I have a status badge image that returns the HTTP code 503 when the respective service is offline (but the webserver is still there serving calls). Now opening the image URL directly will display the ...
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1answer
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Cnn model using pytorch

I have images and labels. I divided them into test and train sets. (xtrain, ytrain, xtest, ytest). x refers to images and y refers to label. How to use these sets in the following train model **# ...
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How to divide matrix of pixels into 8x8 blocks for DCT in java?

I want to divide a matrix of pixels into squares of 8x8 elements. This is what I tried to do: BLOCK8x8 []block = new BLOCK8x8[height*width/64]; // height/width is image height/width for(int i=0;i<...
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How to check if <picture> is loaded?

I found some similar questions in the internet a lot. And also found the same on stackoverflow, but the guy who asked that wrote picture, not <picture>, so all the people though it must be <...
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1answer
21 views

SVD image reconstruction in Python

I am trying to do a Singular Value Decomposition of this image: taking the first 10 values. I have this code: from PIL import Image import numpy as np img = Image.open('bee.jpg') img = np.mean(img, ...
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How can I change shape of image?

This is some image shape of my project. (21, 11) (20, 13) (14, 14) (17, 13) (22, 14) (19, 13) (18, 12) (19, 15) (17, 15) (18, 12) (21, 14) (21, 13) I want to reshape to match with my input tflearn ...

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