jai jpeg2000 encoder not found

I'm using JAI and looking to read and write jpeg2000 files on Mac OS X (Linux soon thereafter) and am having trouble loading the codec. It seems that there are a couple of different projects...

Open an url failed, error message: The interface is unknown. (Exception from HRESULT: 0x800706B5)Interop.SHDocVw

I'm doing web test with WatiN and Nunit, when i try to open an url and log on. the following error interrupt...

Is there a equivalent of Android's BitmapFactory.Options isDecodeBounds for TIFF in Java/JAI?

I am trying to improve the performance of our system (a Java app running in Tomcat) and now the bottleneck is in one operation, we need to read and return dimension of tiff images, so we use JAI's...

How to loop my webcam stream on java OpenCV

I've been trying to use OpenCV (which I'm relatively new to) on Java but it seems much more complicated than other languages. While languages like python have imshow to loop the webcam, java...

tifffile cannot decompress JPEG because JPEG not in TIFF.DECOMPRESSORS

import tifffile f = 'some.tif' img = tifffile.imread(f) Gives error: ~/.conda/envs/cmap_py3/lib/python3.6/site-packages/tifffile/tifffile.py in imread(files, **kwargs) 443 if...

Creation of Mat Object from Uri returned by Intent

I'm a beginner in Android Programming. I have a code for processing an image written in Java using OpenCV. I'm thinking to reuse the code. For this, I have to select an image and have to create...

How to store an array of pixels into a 2D array?

I am trying to load a given images pixel RGB values into a 2d array so that I can later edit them. for example, if I have a pixel at 500,350 it's pixel value will look something like R 250 G 245 B...

Getting the path of a jpg file to make a Mat in Android Studio app using OpenCV

I'm an absolute beginner currently making an app in Android Studio. I want it to be able to take a photo of a barcode, save it, do some image processing on it with OpenCV and then decode it with...

How to debug python wheel build on macos remote server (azure pipelines)

I try to build wheel for imagecodecs python package. Previous version I build without any problem. For current revision I got wheels for linux (manylinux2010) and macos, but without openmp...

C# setting ImageCodec and Encoder Parameters for Image.Save()

I'm writing a program the from some text file inputs outputs a large number of image files. Currently these images are being created and saved with Parallel.ForEach(set, c => { using (Bitmap b...

Problem installing scikit-image on raspberry pi

I'm trying to install sci-kit image on my raspberry pi, but I'm running into some problems. Previously it was giving me the error that the file 'libaec.h' was missing. I installed libaec using...

Problem installing scikit-image probably due to blosc

Hi I am trying to install scikit image in a virtual environment on ubuntu 18.04. It fails when it tries to install imagecodecs, I tried to install imagecodecs separately but it gives the same...

imagecodecs python library won't install

I was trying to install the python scikit-image library using pip on a Jetson Xavier, and I got an extremely long error message indicating that it had failed to build the wheel for the...

Java OpenCV save video file

I would like to save a file (avi) of some frames (in this case, 600) from my webcam using java opencv, but i have no idea how to do that, the code below gives me the avi file specified but with...

How to efficiently read part of a huge tiff image?

I have a collection of rather large tiff files (typical resolution is 30k x 30k to 50k x 50k). These have some interesting properties: 1. they contain several different resolutions of the same...

How do I write code to use the tifffile library to read TIFF files and convert them to JPEGs?

I am trying to write a Python program that will open a TIFF file that has transparencies on it and create a JPEG while also keeping the TIFF file. I've tried Pillow but it won't process TIFFs...

Ipywidgets with Voila not showing: ERROR tornado Uncaught exception GET

I am trying to use voila by running the examples they provide, but the widgets don't show (outputs from jupyter and voila) and I get these errors: (voila_env) Z:\Programming\voila\notebooks>voila...

Python Tifffile: Problems with loading images in SageMaker

I am using Tifffile to load .tiff-image files and then to convert them to a PIL image to process them. I use this workaround because other methods had problems with some specific TIFF-images. On...

Updating packages in conda

I have a problem with updating packages in conda. The list of my installed packages is: # # Name Version Build Channel _anaconda_depends 2020.07 ...

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