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2014/10/15 ¤U¤È 10:04:38
iphone Programming Glossary: blurHow to implement a box or gaussian blur on iPhone http://stackoverflow.com/questions/1140117/how-to-implement-a-box-or-gaussian-blur-on-iphone to implement a box or gaussian blur on iPhone I want to be able to take an image and blur it relatively quickly say in 0.1 sec . Image size would almost never.. to implement a box or gaussian blur on iPhone I want to be able to take an image and blur it relatively quickly say in 0.1 sec . Image size would almost never be larger than 256 x 256 px. Do I have to loop thru.. and average them with neighbors or is there a higher level way that I could do this PS I am aware that multiple box blurs can approximate a gaussian blur. iphone image processing blur share improve this question I found a really fast pretty..
Boundry detect paper sheet opencv http://stackoverflow.com/questions/13493035/boundry-detect-paper-sheet-opencv detect paper sheet opencv I am new in openCV I already detect edge of paper sheet but my result image is blurred after draw lines on edge How I can draw lines on edges of paper sheet so my image quality remain unaffected. what I am.. UIImageFromCVMat img cv Mat debugSquares std vector std vector cv Point squares cv Mat image NSLog @ lu squares.size blur will enhance edge detection Mat blurred image medianBlur image blurred 9 Mat gray0 image.size CV_8U gray vector vector cv.. std vector std vector cv Point squares cv Mat image NSLog @ lu squares.size blur will enhance edge detection Mat blurred image medianBlur image blurred 9 Mat gray0 image.size CV_8U gray vector vector cv Point contours find squares in every..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular an image of specific part rectangular circular I want to blur image rectangular or circular. After googling I found that it is easy to blur whole image but it difficult to blur specific.. part rectangular circular I want to blur image rectangular or circular. After googling I found that it is easy to blur whole image but it difficult to blur specific part of image rectangular circular . so how it is possible Thanks in advance.. to blur image rectangular or circular. After googling I found that it is easy to blur whole image but it difficult to blur specific part of image rectangular circular . so how it is possible Thanks in advance iphone objective c ios share improve..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer you don't draw anything outside it to the screen. Then setup up the shadow on the context which includes the offset blur and color. Then fill the big shape with the hole in it. The color doesn't matter because if you've done everything right..
Steps to upload an iPhone application to the AppStore in xcode4 http://stackoverflow.com/questions/5401257/steps-to-upload-an-iphone-application-to-the-appstore-in-xcode4 Is Archive in xcode4 Build in xcode3 for the purpose of submission app. If Archive Build the icon of the app is very blur in xcode4 organizer. Is that normal Is there any other additional steps to follow in xcode4 to submit app to appstore. Thanks.. improve this question Xcode 4 makes it easier to submit. As you have discovered all you have to do is archive. The blurry icon is expected behavior as it is a bigger square than on the device. After you archive you will have the option to submit..
Blur Effect (Wet in Wet effect) in Paint Application Using OpenGL-ES http://stackoverflow.com/questions/6980402/blur-effect-wet-in-wet-effect-in-paint-application-using-opengl-es Using OpenGL ES I am developing Paint application using OpenGL ES for iPhone and i want to implement Gaussian blur effect Wet in Wet for painting. Please have look at the image describing my requirement for Blur effect I tried to search.. apart to get the effect you want. If you jitter the renders with a Gaussian distribution you will get a Gaussian blur. This would be similar to jitter antialiasing with an accumulation buffer but instead of using subpixel offsets you would.. an accumulation buffer but instead of using subpixel offsets you would use multi pixel offsets as big as you want the blur effect. You'd would want to probably render around 16 times to make it look smooth. http www.opengl.org resources code samples..
Draw glow around inside edge of multiple CGPaths http://stackoverflow.com/questions/8480401/draw-glow-around-inside-edge-of-multiple-cgpaths array of paths void drawInnerGlowWithPaths NSArray paths bounds CGRect bounds color UIColor color offset CGSize offset blur CGFloat blur UIImage mask self maskWithPaths paths bounds bounds UIImage invertedImage self invertedImageWithMask mask color.. void drawInnerGlowWithPaths NSArray paths bounds CGRect bounds color UIColor color offset CGSize offset blur CGFloat blur UIImage mask self maskWithPaths paths bounds bounds UIImage invertedImage self invertedImageWithMask mask color color CGContextRef.. after drawing. CGContextSaveGState gc CGContextClipToMask gc bounds mask.CGImage CGContextSetShadowWithColor gc offset blur color.CGColor invertedImage drawInRect bounds CGContextRestoreGState gc To test it I created an image using a couple of..
http://stackoverflow.com/questions/962827/uiimage-shadow-trouble ..... everything should draw with a shadow that is offset by 3 3 points and drawn with a 2.0 point blur radius. You'll probably want to tweak the opacity of the black color the forth component in components and change the shadow..
iPhone SDK - Frosted Glass (iOS 7 Blur) Effect http://stackoverflow.com/questions/11601166/iphone-sdk-frosted-glass-ios-7-blur-effect SDK Frosted Glass iOS 7 Blur Effect I am trying to apply a frosted glass effect in a UIImageView . I tried to implement what i've found in this question.. in a few lines I can get the result I want where originalImage is the UIImage to apply the effect GPUImageGaussianBlurFilter blurFilter GPUImageGaussianBlurFilter alloc init blurFilter.blurSize 2 UIImage blurImage blurFilter imageByFilteringImage.. I want where originalImage is the UIImage to apply the effect GPUImageGaussianBlurFilter blurFilter GPUImageGaussianBlurFilter alloc init blurFilter.blurSize 2 UIImage blurImage blurFilter imageByFilteringImage resizedImage UPDATE 2 After Apple..
Body and Face Detection Issue [closed] http://stackoverflow.com/questions/11860849/body-and-face-detection-issue
http://stackoverflow.com/questions/1356250/iphone-blur-uiimage Blur UIImage In my iPhone application I have a black and white UIImage . I need to blur that image Gaussian blur would do ... iphone image manipulation quartz 2d share improve this question Try this found here @interface UIImage ImageBlur UIImage imageWithGaussianBlur @end @implementation UIImage ImageBlur UIImage imageWithGaussianBlur float weight 5 0.2270270270.. quartz 2d share improve this question Try this found here @interface UIImage ImageBlur UIImage imageWithGaussianBlur @end @implementation UIImage ImageBlur UIImage imageWithGaussianBlur float weight 5 0.2270270270 0.1945945946 0.1216216216..
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular an image of specific part rectangular circular I want to blur image rectangular or circular. After googling I found that.. cropRect.size.width cropRect.size.height croppedImg self croppIngimageByImageName self.imageView.image toRect cropRect Blur Effect croppedImg croppedImg imageWithGaussianBlur9 Contrast Effect croppedImg croppedImg imageWithContrast 50 croppedImg.. self croppIngimageByImageName self.imageView.image toRect cropRect Blur Effect croppedImg croppedImg imageWithGaussianBlur9 Contrast Effect croppedImg croppedImg imageWithContrast 50 croppedImg self roundedRectImageFromImage croppedImg withRadious..
Blur Effect (Wet in Wet effect) in Paint Application Using OpenGL-ES http://stackoverflow.com/questions/6980402/blur-effect-wet-in-wet-effect-in-paint-application-using-opengl-es Effect Wet in Wet effect in Paint Application Using OpenGL ES I am developing Paint application using OpenGL ES for iPhone.. to implement Gaussian blur effect Wet in Wet for painting. Please have look at the image describing my requirement for Blur effect I tried to search how for OpenGL function but did not get anything. Can anyone guide me to a right direction in this..
Blur an UIImage on change of slider http://stackoverflow.com/questions/8758433/blur-an-uiimage-on-change-of-slider an UIImage on change of slider I have tried gaussian blur and checked out all the questions on stackoverflow but no one.. return retUIImage iphone ios image processing ios5 share improve this question I've made a small StackBlur extension to UIImage. StackBlur is close to GaussianBlur but much faster. Check it at https github.com tomsoft1 StackBluriOS.. ios image processing ios5 share improve this question I've made a small StackBlur extension to UIImage. StackBlur is close to GaussianBlur but much faster. Check it at https github.com tomsoft1 StackBluriOS tiny note ... there's a typo..
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