Linked Questions

9 votes
2 answers
10k views

I have a question about comparing UIImages in Objective-C when one image has already been through a save and load process using the NSSearchPathForDirectoriesInDomains method. The aim of what I want ...
user1309044's user avatar
10 votes
4 answers
11k views

How can I compare an image to another one? Thanks!
user377419's user avatar
  • 5,059
5 votes
2 answers
13k views

Possible Duplicate: How does one compare one image to another to see if they are similar by a certain percentage, on the iPhone? I've found this code and am trying to understand it better: ...
PeshZ's user avatar
  • 91
-1 votes
1 answer
1k views

Xcode 10.2 and Swift 5 I pick an image from camera and calculate SHA256 hash of the image as string and save the image to iPhone photo album. //Save photo to album. Photo comes from ...
nullpointr's user avatar
1 vote
4 answers
483 views

i am comparing images with each other here is the code for it. for (int i=0; i<arrImageData.count; i++) { for (int j=i+1; j<arrImageData.count; j++) { if ([arrImageData[i]...
Harshit's user avatar
  • 184
0 votes
1 answer
515 views

I am using the following code for getting SHA 256 of UIImage (source: https://stackoverflow.com/a/50931949/10451073) extension UIImage{ public func sha256() -> String{ if let ...
Enrik Qaz's user avatar
  • 253
0 votes
2 answers
267 views

I need to add objects selected by UIImagePickerController into an NSMutabeArray, the code goes as: - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(...
Syed Absar's user avatar
  • 2,284
1 vote
2 answers
286 views

My app allow users to choose imgs and associate them to some text. When the user choose an image from the photo roll, I copy it in the Documents directory. As the user should choose the same img ...
Sefran's user avatar
  • 385
0 votes
1 answer
242 views

I'm attempting to save (parse?) an image Path to my realm. To do that I attempting to save the image as jpegData into the documentDirectory. The images I am saving do not need to be saved into the ...
24SGR's user avatar
  • 51
0 votes
2 answers
74 views

I am getting image as url from dictionary on ViewController A and I have passed that dictionary to ViewController B.I want that if the user has updated the image then it shows the updated image else ...
FreshStar's user avatar
  • 213