Recent questions tagged image

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image - How to get depth map in Android Q

in Android Q there is a option to get depth map from image. Starting in Android Q, cameras can store the ... using galaxy s10 with anrdoid Q See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Explanation of Matlab's bwlabel,regionprops & centroid functions

I have spent all day reading up on the above MATLAB functions. I can't seem to find any good explanations online, ... ),CentroidTerm(:,2),'ro') See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Tiff compression using Java ImageIO

I am having issues converting a png to tiff. The conversion goes fine, but the image is huge. I think the issue ... (ios); writer.write(bi); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - WP8: Is there an easy way to scale and blur an BitmapImage for windows phone app?

I am working on a windows Phone app that can read Album arts dynamically from Music files through MediaPlayer APIs. I ... XAML)? Thanks a lot! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Detecting circles and shots from paper target

I'm making a small project where i have to detect points scored from a given image of paper target. ... ? Here is another example image See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image segmentation - Finding people silhouette in OpenCV C++

I would like to extract the silhouette of a human in a photo and remove the background. The photo could be taken of ... 'm using OpenCV and C++. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - OpenCV: How to use other font than HERSHEY with cvPutText (like Arial)

I want to write to an image a formatted text. OpenCV offers only a limited set of default fonts. Is it possible to ... *.ttf file (in Ubuntu)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Implementing SIFT in Java

So I'm working on a simple Java app that allows a user to input an image as a query and have the app ... go about doing it? Thanks in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Generate Thumbnail of Pdf in Android

I want to generate the image(thumbnail) from pdf file just like done by WhatsApp as shown below I ... com/barteksc/AndroidPdfViewer/issues/49) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image recognition - Finding a picture in a picture with java?

what i want to to is analyse input from screen in form of pictures. I want to be able to identify a part ... have a Java implementation on SO. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Using GPUImage to Recreate iOS 7 Glass Effect

I am trying to use the iOS 7 style glass effect in my glass by applying image effects to a screenshot of a ... I just setting them up wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Distinguish a simply connected figures?

So I have a binary matrix in Matlab. It is basically a blob (pixels of value 1) surrounded by a neutral ... doesn't matter in this case. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - 3D cross-correlation in matlab

I need to calculate 3D cross-correlation in MATLAB. Anyone know which function I should use? For 2-D cross-correlation ... 't know about is 3D. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - 3x3 Average filter in matlab

I've written code to smooth an image using a 3x3 averaging filter, however the output is strange, it is ... someone can spot the problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Java KeyListener isn't detecting keyboard input

I'm trying to modify this program so that it draws an image of a castle and I am able to scale this image using ... VK_DOWN) { scale--; } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - iOS: Applying a RGB filter to a greyscale PNG

I have a greyscale gem top view. (PNG format, so has alpha component) I would like to create 12 small ... (); } UIGraphicsEndImageContext(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image rotation - Android: How to rotate a moving animated sprite based on the coordinates of its destination

My application fires up sprite instances around a Canvas which then move across the screen towards a x/y coordinate ... would be very grateful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - ImageMagick/Imagick convert PDF to JPG using native PHP API

I'm attempting to convert PDF files into PNGs. It works great from the command line (I do have GhostScript 8.64 ... 6.4.8-9 GhostScript 8.64 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Proportionally scale a div with CSS based on max-width (similar to img scaling)

Is it possible to proportionally scale a div like an img using only CSS? Here is my first attempt: http://dabblet. ... the image Image: 50 x 25 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Captured photo automatically rotated during upload in IOS 6.0 or iPhone

I have one HTML file control using this i am trying to upload file on server. Click on file control ... from camera. Thanks, Imdadhusen See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to return binary data from lambda function in AWS in Python?

I cannot get python lambda to return binary data. The node-template for thumbnail images works fine but I cannot get ... what I'm doing wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Cross Entropy Loss for Semantic Segmentation Keras

I'm pretty sure this is a silly question but I can't find it anywhere else so I'm going to ask it ... be and what the principled objective is? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Getting Fourier Transform from Phase and Magnitude - Matlab

The magnitude and phase of a fourier transform F are defined as: Mag = sqrt(Real(F)^2 + Imaginary(F)^2) and Phase = ... ; y = f; thanks a lot :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Figure sizes with pandoc conversion from markdown to docx

I type a report with Rmarkdown in Rstudio. When converting it in html with knitr, there is also a markdown ... get the right figures sizes ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - A better way to validate URL in C# than try-catch?

I'm building an application to retrieve an image from internet. Even though it works fine, it is slow (on ... doing something wrong here. :( See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Python windows 7 screenshot without PIL

I want to take a screenshot using python. I have tried using PIL, but since I am using 64bit windows and python ... or modules that can do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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695 views

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image processing - How can I select the best set of parameters in the Canny edge detection algorithm implemented in OpenCV?

I am working with OpenCV on the Android platform. With the tremendous help from this community and techies, ... associated with the scenarios. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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592 views

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image - How to get high resolution website logo (favicon) for a given URL

I'm developing a web browser on Android and want to show the URL logo for the most visited sites like in Chrome ... way to get the website logo? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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