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  • blurry image rendered

    - by Jason
    I'm using Direct2D to render a PNG image using a ID2D1BitmapRenderTarget and then caling it's GetBitmap() function and rendering the image using ID2D1HwndRenderTarget::DrawBitmap(). Some of the images rendered this way are clear but others appear blurry. I did some research and followed a tutorial to make my application "DPI Aware" but it didn't help. What could cause the rendered image to appear blurry? Has anyone experienced this issue before? What can I do about this?

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  • Using ISO Image with a Local Repository for updating Exadata Compute nodes

    - by Rene Kundersma
    For systems that cannot connect directly to Oracle ULN to build a local repository an ISO image file is made available by Oracle. This ISO image can be mounted and used as a local repository. The ISO image contains a file system that contains only the latest (x86_64) ULN channel and cannot be used to update the database servers to any other release than release 11.2.3.1.1. ISO and instructions can be found here  Rene Kundersma

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  • How to store generated eigen faces for future face recognition?

    - by user3237134
    My code works in the following manner: 1.First, it obtains several images from the training set 2.After loading these images, we find the normalized faces,mean face and perform several calculation. 3.Next, we ask for the name of an image we want to recognize 4.We then project the input image into the eigenspace, and based on the difference from the eigenfaces we make a decision. 5.Depending on eigen weight vector for each input image we make clusters using kmeans command. Source code i tried: clear all close all clc % number of images on your training set. M=1200; %Chosen std and mean. %It can be any number that it is close to the std and mean of most of the images. um=60; ustd=32; %read and show images(bmp); S=[]; %img matrix for i=1:M str=strcat(int2str(i),'.jpg'); %concatenates two strings that form the name of the image eval('img=imread(str);'); [irow icol d]=size(img); % get the number of rows (N1) and columns (N2) temp=reshape(permute(img,[2,1,3]),[irow*icol,d]); %creates a (N1*N2)x1 matrix S=[S temp]; %X is a N1*N2xM matrix after finishing the sequence %this is our S end %Here we change the mean and std of all images. We normalize all images. %This is done to reduce the error due to lighting conditions. for i=1:size(S,2) temp=double(S(:,i)); m=mean(temp); st=std(temp); S(:,i)=(temp-m)*ustd/st+um; end %show normalized images for i=1:M str=strcat(int2str(i),'.jpg'); img=reshape(S(:,i),icol,irow); img=img'; end %mean image; m=mean(S,2); %obtains the mean of each row instead of each column tmimg=uint8(m); %converts to unsigned 8-bit integer. Values range from 0 to 255 img=reshape(tmimg,icol,irow); %takes the N1*N2x1 vector and creates a N2xN1 matrix img=img'; %creates a N1xN2 matrix by transposing the image. % Change image for manipulation dbx=[]; % A matrix for i=1:M temp=double(S(:,i)); dbx=[dbx temp]; end %Covariance matrix C=A'A, L=AA' A=dbx'; L=A*A'; % vv are the eigenvector for L % dd are the eigenvalue for both L=dbx'*dbx and C=dbx*dbx'; [vv dd]=eig(L); % Sort and eliminate those whose eigenvalue is zero v=[]; d=[]; for i=1:size(vv,2) if(dd(i,i)>1e-4) v=[v vv(:,i)]; d=[d dd(i,i)]; end end %sort, will return an ascending sequence [B index]=sort(d); ind=zeros(size(index)); dtemp=zeros(size(index)); vtemp=zeros(size(v)); len=length(index); for i=1:len dtemp(i)=B(len+1-i); ind(i)=len+1-index(i); vtemp(:,ind(i))=v(:,i); end d=dtemp; v=vtemp; %Normalization of eigenvectors for i=1:size(v,2) %access each column kk=v(:,i); temp=sqrt(sum(kk.^2)); v(:,i)=v(:,i)./temp; end %Eigenvectors of C matrix u=[]; for i=1:size(v,2) temp=sqrt(d(i)); u=[u (dbx*v(:,i))./temp]; end %Normalization of eigenvectors for i=1:size(u,2) kk=u(:,i); temp=sqrt(sum(kk.^2)); u(:,i)=u(:,i)./temp; end % show eigenfaces; for i=1:size(u,2) img=reshape(u(:,i),icol,irow); img=img'; img=histeq(img,255); end % Find the weight of each face in the training set. omega = []; for h=1:size(dbx,2) WW=[]; for i=1:size(u,2) t = u(:,i)'; WeightOfImage = dot(t,dbx(:,h)'); WW = [WW; WeightOfImage]; end omega = [omega WW]; end % Acquire new image % Note: the input image must have a bmp or jpg extension. % It should have the same size as the ones in your training set. % It should be placed on your desktop ed_min=[]; srcFiles = dir('G:\newdatabase\*.jpg'); % the folder in which ur images exists for b = 1 : length(srcFiles) filename = strcat('G:\newdatabase\',srcFiles(b).name); Imgdata = imread(filename); InputImage=Imgdata; InImage=reshape(permute((double(InputImage)),[2,1,3]),[irow*icol,1]); temp=InImage; me=mean(temp); st=std(temp); temp=(temp-me)*ustd/st+um; NormImage = temp; Difference = temp-m; p = []; aa=size(u,2); for i = 1:aa pare = dot(NormImage,u(:,i)); p = [p; pare]; end InImWeight = []; for i=1:size(u,2) t = u(:,i)'; WeightOfInputImage = dot(t,Difference'); InImWeight = [InImWeight; WeightOfInputImage]; end noe=numel(InImWeight); % Find Euclidean distance e=[]; for i=1:size(omega,2) q = omega(:,i); DiffWeight = InImWeight-q; mag = norm(DiffWeight); e = [e mag]; end ed_min=[ed_min MinimumValue]; theta=6.0e+03; %disp(e) z(b,:)=InImWeight; end IDX = kmeans(z,5); clustercount=accumarray(IDX, ones(size(IDX))); disp(clustercount); QUESTIONS: 1.It is working fine for M=50(i.e Training set contains 50 images) but not for M=1200(i.e Training set contains 1200 images).It is not showing any error.There is no output.I waited for 10 min still there is no output. I think it is going infinite loop.What is the problem?Where i was wrong? 2.Instead of running the training set everytime how eigen faces generated are stored so that stored eigen faces are used for future face recoginition for a new input image.So it reduces wastage of time.

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  • YAHOO and BING support for Index, Image and Mobile sitemaps

    - by kishore
    I know Google webmaster supports submitting Image, mobile, video and other types of sitemaps. YAHOO also mentions about mobile site map here. But does it support Image and video sitemaps. I could not find if BING supports any of these types other than XML sitemaps. Can someone please point me to any documentation on submitting Index, Image and Mobile sitemaps. Also does YAHOO and Bing support index sitemap files?

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  • SKYPE 4.1 Ubuntu 12.04 - Webcam's Image Upside Down and with Zoom

    - by ErivaldoJunior
    I'm trying do my notebook's webcam works on Skype 4.1, but I am not having success. The problem is that the webcam's image appears upside down and with zoom. This problem don't happen on Skype Version 2.1 (Beta). On Skype 2.1 (Beta) my webcam works perfectly. However, on Skype 4.1 the webcam's image is upside down and with zoom. I managed to solve only the upside down problem with the following commands: $ export LIBV4LCONTROL_FLAGS=3 $ LD_PRELOAD=/usr/lib/i386-linux-gnu/libv4l/v4l1compat.so skype After these commands the webcam's image become normal, but the image is still zoomed. I could not solve the zoom problem. To work around this I'm obligated to use the both versions (2.1 (beta) and 4.1). Does anyone know a way to make the image from my webcam stay perfectly normal? These are the information about my webcam: Bus 002 Device 003: ID 0c45:62c0 Microdia Sonix USB 2.0 Camera It uses the driver "uvcvideo". And I'm using the Ubuntu 12.04 64 bits. Thank you very much!

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  • YAHOO and BING support for Index, Image and Mobile sitemaps

    - by kishore
    I know Google webmaster supports submitting Image, mobile, video and other types of sitemaps. YAHOO also mentions about mobile site map here. But does it support Image and video sitemaps. I could not find if BING supports any of these types other than XML sitemaps. Can someone please point me to any documentation on submitting Index, Image and Mobile sitemaps. Also does YAHOO and Bing support index sitemap files?

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  • Rotate an image in a scaled context

    - by nathan
    Here is my working piece of code to rotate an image toward a point (in my case, the mouse cursor). float dx = newx - ploc.x; float dy = newy - ploc.y; float angle = (float) Math.toDegrees(Math.atan2(dy, dx)); Where ploc is the location of the image i'm rotating. And here is the rendering code: g.rotate(loc.x + width / 2, loc.y + height / 2, angle); g.drawImage(frame, loc.x, loc.y); Where loc is the location of the image and "width" and "height" are respectively the width and height of the image. What changes are needed to make it works on a scaled context? e.g make it works with something like g.scale(sx, sy).

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  • Difference between OEM install and custom Ubuntu image

    - by Suman
    I'm looking into the best way to deploy a customized Ubuntu image and it looks like I have two options: To make an "OEM install" version To make a custom Ubuntu image Could someone help me understand the difference between these two methods of customizing a Ubuntu install? It appears to me that both these methods allow for elaborate customization of the image while allowing the user to enter their own end-user details (time zone, username, password, etc.)

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  • Image 1 becomes image 2 with sliding effect from left to right?

    - by Paul
    I would like to show a second image appearing while a "door" is closing on my character. I've got my character in the middle of the screen and a door coming from the left. When the door passes my character, I would like to have this second image appearing little by little. So far, I've gotten by with fadingOut the character and then fadingIn my second image of the character at the same position when the door is completely closed, but I would like to have both of them at the same time. (the effect that image 1 becomes image 2 when the door is sliding from left to right). Would you know how to do this with Cocos2d? Here are the images : at first, the character is blue, and the door is coming from the left : Then, behind the black door, the character becomes red, but only behind this door, so it stays blue when the door is not on him, and will become completely red when the door passes the character : EDIT : with this code, the black door hides the red and blue rectangles : (And if i add each of my layers at a different depth, and only use GL_LESS, same thing) blue.position = ccp( size.width*0.5 , size.height/2 ); red.position = ccp( size.width*0.46 , size.height/2 ); black.position = ccp( size.width*0.1 , size.height/2 ); glEnable(GL_DEPTH_TEST); [batch addChild:red z:0]; [batch addChild:black z:2]; glDepthFunc(GL_GREATER); [batch addChild:blue z:1]; glDepthFunc(GL_LESS); id action1 = [CCMoveTo actionWithDuration:3 position:ccp(size.width,size.height/2)]; [black runAction: [CCSequence actions:action1, nil]];

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  • Where can I find a 12.10 DVD image?

    - by NMinker
    While I'm open to buying a DVD from the shop, I'd rather download a DVD image, but I can't find it on the Download page (only the CD images and the option to buying a DVD). I have slow internet where I live, I always relied on the Alternative CD. But now with it gone for 12.10, so I looked for alternatives (DVD Image). So where can I find a DVD image, or is the only way to get one is to buy a DVD from the shop?

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  • How To Extract Individual Files From a Windows 7 System Image Backup

    - by Chris Hoffman
    Windows 7’s backup control panel has the ability to create full system image backups. While Windows says you can’t restore individual files from these backups, there’s a way to browse the contents of a system image and extract individual files. System image backups are meant for restoring an entire system. If you want to easily restore individual files, you should use another type of backup – but you don’t have to restore an entire system image to get a few important files back. HTG Explains: How Antivirus Software Works HTG Explains: Why Deleted Files Can Be Recovered and How You Can Prevent It HTG Explains: What Are the Sys Rq, Scroll Lock, and Pause/Break Keys on My Keyboard?

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  • Base on User Drawing Create Polygon Body as well Image

    - by Siddharth
    In my game, I want to provide a user with drawing feature. By free hand drawing user create a polygon shape. So in my game implementation I have to create body for all found vertices and I have to generate image based on that polygon shape. So my problem is how to create image that match the user provided vertices. In cocos2d I listen that there is an implementation of something like Image Masking. But I don't understand how that thing I implement in andengnine. Please provide any guidance on how to create image same as user generated polygon shape.

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  • How to set uri for local image in silverlight app?

    - by KentZhou
    In SL class library MyLib, I have a image say my.png. Then I want to use it in code behind I tried following way: StreamResourceInfo resourceStream = Application.GetResourceStream(new Uri("/MyLib;component/my.png", UriKind.Relative)); BitmapImage image = new BitmapImage(); image.SetSource(resourceStream.Stream); this.MyIcon.Source = image; But it's not woking. I think it's the Uri not set correctly. Help please.

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  • How to put text float around image like some newspapers' format using CSS ?

    - by pfau
    I want my image wrapping with text align like this -------------------- -------------------- _________ ---------- image |---------- |---------- |---------- _________|------<end> I've tried text text text text .... but the result comes like this _________ image |---------- |---------- |---------- _________|---------- ------------------- -------------------- What should I do without manual putting and without table ? (like align text first , then image and final , text) because all images and texts of my website will be fetched from the database. Many thanks !!!

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  • How to rotate image completely. with out showing the black portion.

    - by learner
    I have an image I have to rotate that image 25 degree. if I rotate it shows some black background. How can I avoid that. How can I rotate image completely with out showing the black portion by using PHP GD. I cant use js for rotation. because I have to merge the image with another one after rotation. any body have the scripts for this please help me.

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  • Fade portfolio image on hover to reveal a magnifying glass or plus sign etc?

    - by ade123
    Hi, I've seen an interesting image hover effect being used a lot lately and was wondering whether anyone has any tips or advice on how best to create this effect? What I'd like to create is a hover effect, so that when you hover over an image, the image fades and a magnifying glass or similar icon fades in. Highlighting the fact that if you click the image, it will enlarge etc. Here is a nice example of the effect: http://themes.mysitemyway.com/infocus/gallery/portfolio/ Any advice or pointers would be greatly appreciated.

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