Questions tagged [image-extraction]

53 questions
0
votes
1 answer

Scraping an image with Google Sheet functions

I'm trying to extract some images from a website with Google Sheets in a cell. I find some solutions but it's not working everytime. What I want to do? I need to be able to paste a URL and get image's itself and also images embedded URL. Here is the…
0
votes
1 answer

FFMPEG extract every nth frame, and every n+1 frame from a video

I want to extract every nth frame from a video, and the consecutive frame following the nth frame extracted. Right now I have this to extract every nth frame, but I would like to modify it to extract the consecutive frame…
Upsurge
  • 48
  • 5
0
votes
0 answers

how to extract ico/png files from an exe in python

so im trying to make a little program launcher that takes the names of apps in a folder and make buttons with those names in a Tkinter window to that open the program that button specifies. image of python program. so the program works, but i want…
0
votes
0 answers

Signature extraction from a JPEG File Code Setup

I am trying to extract a signature from a document using some code that I found on GIT. The error is as follows: "ValueError: Image RGB array must be uint8 or floating point; found int32" No matter what image I use, I get the error. I am a novice at…
0
votes
0 answers

How To Extract Images present with text content in Video using OpenCVSharp?

I am trying to extract images out of video using opencvsharp and I need to create a pdf and store only those images in pdf where there is a text content in the image. I have written following code till now, Please help or advice further on how to…
harshita
  • 3
  • 1
0
votes
2 answers

Extract the 3×3image segment from the input image centred around the position (x,y)

I want to ask how to Extract the a n×n image segment from an input image centered around the position (x,y), the image has format like this [[num,num,num],[num,numm,num],[num,num,num]........], size of image is about 10 * 10. Thank you !
0
votes
1 answer

How do I crop an image using a path in Ruby?

Here is the path "M276,189h268c5.5,0,10,4.5,10,10v196c0,5.5-4.5,10-10,10H276 c-5.5,0-10-4.5-10-10V199C266,193.5,270.5,189,276,189z" This is the input image: After applying the path to the image by using the below code draw =…
0
votes
3 answers

How to extract images from PDF or Word, together with the text around images?

I found there are some library for extracting images from PDF or word, like docx2txt and pdfimages. But how can I get the content around the images (like there may be a title below the image)? Or get a page number of each image? Some other tools…
0
votes
1 answer

Extract selected region from image with OpenCV

I have a region of an image selected, like this: http://slideplayer.com/4593320/15/images/9/Intelligent+scissors+http%3A%2F%2Frivit.cs.byu.edu%2FEric%2FEric.html.jpg and now, using OpenCV I would like to extract the region selected. How could I do…
Antman
  • 453
  • 2
  • 8
  • 18
0
votes
1 answer

Image extraction not working if PDF contains 8-10 or more pages

I am trying to extract images from PDF and got a code from StackOverflow. It is working fine for some of the pdf but not for all. I saw a pattern that pdf which has a number of pages more than 8-10, it is not extracting anything.I think I am missing…
0
votes
2 answers

Extract images from one folder, process it and save into another folder with python, opencv

I am trying to extract image files from one sub folder "input" (10th line) and process it and then save it into another subfolder "output" (10th last line), but the processed files are not being saved. But if I take all the image files from the same…
Areeb Muzaffar
  • 197
  • 2
  • 15
0
votes
1 answer

ffmpeg 1FPS extraction call spits out infinite images until disk is bricked on poorly-encoded movie

This is one of the oddest things I've ever seen while using ffmpeg. This is the scenario - we are getting video footage from a IONODE ION-E100 encoder, the footage is encoded in h264. I can view the footage fine in VLC, and I can copy it over to…
John Allard
  • 3,564
  • 5
  • 23
  • 42
0
votes
1 answer

Icon Recognition for Web App

Once again I come to the best for my pedestrian question. I'm building a small web app that would be vastly improved by the ability to recognize app icons. I've searched all over but haven't found anything that suits my needs. Basic…
lightyrs
  • 2,809
  • 2
  • 29
  • 32
0
votes
1 answer

c# download the extracted image

I have created a Form Application to Extracted Image , I have searched many posts , till Now I am able to download into the MemoryStream (Byte Array ). I am not able to save that byte array into file system and check the image size .... public…
Neeraj Verma
  • 2,174
  • 6
  • 30
  • 51
0
votes
1 answer

Image Extraction : uri is too long

I am working on Image Extraction Software from A WebPage . have created a function public static void GetAllImages() { WebClient x = new WebClient(); string source = x.DownloadString(@"http://www.bbc.com"); …
Neeraj Verma
  • 2,174
  • 6
  • 30
  • 51