How to find the alpha channel transparency value of a pixel in a png image? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 5 years ago. Improve this question I have an image that has alpha channel transparency. I want to recreate the same background color with RGBA … Read more

How does photoshop blend two images together? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 2 years ago. Improve this question Can somebody please explain how Photoshop blends two images together so that I may reproduce the same effects in … Read more

open cv error: (-215) scn == 3 || scn == 4 in function cvtColor

I’m currently in Ubuntu 14.04, using python 2.7 and cv2. When I run this code: import numpy as np import cv2 img = cv2.imread(‘2015-05-27-191152.jpg’,0) gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) it returns: File “face_detection.py”, line 11, in <module> gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) cv2.error: /home/arthurckl/Desktop/opencv-3.0.0-rc1/modules/imgproc/src/color.cpp:7564: error: (-215) scn == 3 || scn == 4 in function cvtColor I … Read more

Adding images or videos to iPhone Simulator

I am trying to use UIImagePickerController with UIImagePickerControllerSourceTypePhotoLibrary, but it says, “No photos”. Where does the simulator get the images from? Where should I copy the images so that they are displayed in the simulator? Answer Explain step by step of Airsource Ltd’s answer for adding image to simulator: Drag it to simulator, then Safari … Read more

How can I transfer photos from iPhone to Samsung Galaxy phone with location information?

I’m trying to transfer photos from iphone to my new samsung galaxy note 20, but the smart switch does not work for me somehow (It asks me to retry after I input my iCloud password, but my friend’s iphone works on the same cable). I wonder if there’s any other way that I could use … Read more

How to force Photos to release space for an iCloud backed library?

I have migrated my 200 gigabyte Photos library to iCloud on my Mac. Works very well. I then created a new, empty library on the Mac and let Photos copy the whole iCloud contents locally on the Mac. Now I need the space locally, so I would like Photos to undo the local copying only … Read more

Why are my photos not restored completely from a computer backup?

I downgraded my Iphone and after downgrading, I restored my backup downloaded in the Mac but not all of my photos are restored. I dont want to download my pictures from Icloud because it will not be chronologically arranged. I hope someone will help Answer AttributionSource : Link , Question Author : Jan , Answer … Read more