Recent questions tagged image

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I'm having trouble trying to select and export all pictures from a workbook. I only want the pictures. I need to ... If End With Next End Sub See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to make a Gaussian filter in Matlab

I have tried to make a Gaussian filter in Matlab without using imfilter() and fspecial(). I have tried this but ... () is problematic... Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Removing the last characters in an XSLT string

In my CMS it is possible to create a new article, and choose an image to be shown on that article. When an ... png) or 5 (.jpeg) characters? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - c# Bitmap.Save transparancy doesn't save in png

I'm trying to save a Bitmap class that has transparancy as a png file with transparancy. I'm having no luck. The ... I'd like to also. thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - 2D Convolution in Python similar to Matlab's conv2

I have been trying to do Convolution of a 2D Matrix using SciPy, and Numpy but have failed. For SciPy I ... will be grateful for a response. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Android SkImageDecoder::Factory returned null Error

I'm trying to load an image from URL to an ImageView but the error occurs: SkImageDecoder::Factory returned ... .setImageBitmap(bitmap); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Editing jpeg EXIF data with Java

I want to edit jpg files' properties like: comments, title, date taken, camera maker, etc. I have found ... did not changed properties list. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Android - how to get or set (print) DPI ( dots per inch ) of JPEG file while loading or saving it programmatically?

I have an app developed on Android versions 4.0 and above. ( The app does not support Android versions ... and suggestions are welcome. Sanjay. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How to read a frame from YUV file in OpenCV?

How to read a frame from YUV file in OpenCV? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How do I create and apply a Gaussian filter in MATLAB without using fspecial, imfilter or conv2?

I have the following code in MATLAB: I=imread(image); h=fspecial('gaussian',si,sigma); I=im2double(I) ... without imfilter, fspecial and conv2? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - iOS UIImage storage formats, memory usage and encoding / decoding

How does iOS store images that are loaded from compressed data (jpeg2000, png, jpg, etc.) Example: [ ... permanently or some other format? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How to programmatically change contrast of a bitmap in android?

I want to programmatically change the contrast of bitmap. Till now I have tried this. private Bitmap adjustedContrast ... . Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Efficient way to combine intersecting bounding rectangles

I'm trying to simplify the following image using OpenCV: What we have here are lots of red shapes. Some of ... if they're not intersecting. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Resize Drawable in Android

I am setting a drawable for a progress dialog (pbarDialog) but my issue is I want to resize the drawable each time ... } }); myThread.start(); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Sharpen on a Bitmap using C#

I want to put a sharpen filter on an image. I have found a web with short tutorial. I tried to do it in C# ... j]); } } return sharpenImage; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Android: failed to convert @drawable/picture into a drawable

In my drawable folder I have a few images and they all reference perfect, but when I try and add ... convert @drawable/picture into a drawable See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Is it possible to tell the quality level of a JPEG?

This is really a two part question, since I don't fully understand how these things work just yet: My situation: I ... PHP if that is of any use See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Sobel filter kernel of large size

I am using a sobel filter of size 3x3 to calculate the image derivative. Looking at some articles on the ... much useful. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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image - Android horizontal scrollview behave like iPhone (paging)

I have a LinearLayout inside a HorizontalScrollView. The content is just a image. While scrolling, I need to ... subclass of HSV to implement? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How to implement a box or gaussian blur on iOS

I want to be able to take an image and blur it relatively quickly (say in 0.1 sec). Image size would ... blurs can approximate a gaussian blur. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - ASSETWriterInput for making Video from UIImages on Iphone Issues

I try the following 2 methods of appending UIImages pixelbuffer to ASSETWriterInput. Everything looks good ... appendSampleBuffer:sampleBuffer]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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825 views

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image - Axis coordinates to pixel coordinates? (Matlab)

How can i convert the axis coordinates into pixel coordinates? I have a set of data which include the negative ... to solve the negative issue? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Out of memory error on Android

I am developing an android game application where I have about 15 screens. When I continuously play, I get ... .NativeStart.main(Native Method) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - the dreaded "Warning: imagecreatefromjpeg() : '/tmp/filename' is not a valid JPEG file in /phpfile.php on line xxx"

I've been getting this warning when some people upload images to our site : Warning: imagecreatefromjpeg() [ ... problems. any help appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to display GIF in react-native android app?

I want to display a simple gif via URL in my Image tag in my android react- ... react-native/commit/fcd7de5301655b39832d49908e5ca72ddaf91f7e See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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image - How to convert TIFF to JPEG/PNG in java

recently i'm facing problem when try to display an image file. Unfortunately, the image format is TIFF format which ... format such as JPEG/PNG. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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631 views

1 answer

image processing - Matlab Template Matching Using FFT

I am struggling with template matching in the Fourier domain in Matlab. Here are my images (the artist is ... you can help! Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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979 views

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image - Detecting thresholds in HSV color space (from RGB) using Python / PIL

I want to take an RGB image and convert it to a black and white RGB image, where a pixel is black if its ... .point() transform but on pixels? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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