how to blur background in lightroom

Filter In the practice of photography, the virtual background is a common means to highlight the main body. But because the actual focal length of the consumption-level DC lens is very short, it is more difficult to realize the shallow depth and blur the background. If we want to use a consumer-level DC can also achieve the virtual

Blur the background of iOS images1. Use the fuzzy filter in CoreImage Original: Implementation of CoreImage: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. UIImage * image = [UIImage imageNamed: @ "icon"];/* .. blur filter in CoreImage .. * // CIImage, equivalent to UIImage, serves to obtain im

http://m.blog.csdn.net/blogercn/article/details/750041621. High-end digital cameras have background blur function. The background blur is to make the depth of field lighter and focus on the subject. General camera The best virtual method is to use macro shooting, if the main scene and the

In the tutorial I will show you how to create a hexagon background blur effect. We will use brushes, patterns, blending modes, and basic filters to achieve this effect. Effect chart Step 1 Open Photoshop, create a new document, I'm using 2560x1440 pixels, and I can use it as a wallpaper. Fills the background with a dark gray (#181818). (Figure 01)

Objects in dark-light images are generally not visible in detail, as they do with silhouette effects. The author uses this kind of effect, the main body that needs to pull out separately, the background part uses Blur filter to deal with, then adjust to want of color can.Original Final effect 1, turn black and

IOS picture background blur effect 1. Using the blur filter in CoreimageThe original is as follows:Implementation of Coreimage:- (void) Viewdidload {[Super Viewdidload];Additional setup after loading the view, typically from a nib.UIImage * image = [UIImage imagenamed:@"Icon"];/*.. Blur effect filter in Coreimage: */Ci

Original Final effect 1, open the material picture, the background layer to copy a layer, with lasso or pen tool to pull out the characters, get the figure shown in the selection. 2, open the "Adjust Edge" panel, from the following style to choose black and white, so that better preview the details of the edge changes,

QT Window Top/true transparent/background blur/non-rectangular/skip taskbar pager/Borderless/No focus click/focus penetrationwindow pinnedQT is Setwindowflags (qt::windowstaysontophint)KDE is Kwindowsystem::setstate (WinId (), Net::keepabove)Such a sticky window will not be above the full-screen window, if you need a real top, setwindowflags (qt::x11bypasswindowmanagerhint) can ignore this rule, but this wi

= vimageboxconvolve_argb8888 (inbuffer, outbuffer, NULL,0,0, Boxsize, Boxsize, NULL, kvimageedgeextend); + ACgcolorspaceref ColorSpace =Cgcolorspacecreatedevicergb (); theCgcontextref CTX = cgbitmapcontextcreate (Outbuffer.data, Outbuffer.width, Outbuffer.height,8, Outbuffer.rowbytes, ColorSpace, Cgimagegetbitmapinfo (image. Cgimage)); + -Cgimageref Imageref =cgbitmapcontextcreateimage (CTX); $UIImage *returnimage =[UIImage imagewithcgimage:imageref]; $ - // Clean Up - cgcont

view by sliding the scrollview * * @param offset ScrollView falling distance*/-(void) Updateheaderview: (cgpoint) offset {if(Offset.y 0) {CGRect rect= CGRectMake (0,0, Self.frame.size.width, self.frame.size.height); CGFloat Delta= Fabs (MIN (0.0f, Offset.y)); RECT.ORIGIN.Y-=Delta; Rect.size.height+=Delta; Self.imageScrollView.frame=rect; Self.clipstobounds=NO; Self.imageView.alpha= Fabs (Offset.y/(2* Cgrectgetheight (Self.bounds)/3)); }}/** * Gaussian picture * * @param originalimage need Gauss

This homework exercise we used a very useful lens blur and pen tools, coupled with other auxiliary tools, so that the following background due to the clarity of the character theme is not clear-cut ordinary photos become beautiful. Triple recommended: photoshop7.0 Mini version free download | Photoshop CS5 Chinese free Download | Photoshop free Download This exercise needs careful, more steps, hehe, if yo

A comparison chart on the line:Obviously, the above image is a blur effect, and we are often used in the actual development of such images as background, this effect has many ways to do. For a simple way, the code comes in://Loading picture creation ImageViewUIImage *image = [UIImage imagenamed:@"Psb.png"]; Uiimageview* ImageView =[[Uiimageview alloc] init]; Imageview.contentmode=Uiviewcontentmodescaleaspec

. Tip 1: Choose a bright lens Choosing the largest aperture bright lens is the easiest way to take a picture of a background blur. Also, the longer the focus, the greater the effect of the virtual. This photo was taken using the EF 70-200mm f/2.8l is USM. Its bright aperture and focal length are suitable for photographing portrait. Tip 2: Turn off the automatic rotation fu

This tutorial describes how to blur the background of ps to a friend of PHP chinnet. it is a basic tutorial and is very suitable for beginners to learn. we recommend that you use PHP chinnet, if you like it, you may like to take selfies together. sometimes, selfies are quite successful, but there is always a bit of discord in the background. it is not good to see

The original material color is a bit monotonous, the background part is a bit messy. Processing can be in accordance with their own liking, the picture of the local color, and the background part of the fuzzy treatment. The original material color is a bit monotonous, the background part is a bit messy. Processing can be in accordance with their own liking, the p

Not much nonsense, first. Source image Circular clear area Clear horizontal area Vertical clear area Hey, it looks okay ~~ The background we are talking about here is virtualized. Naturally, we cannot automatically identify the background and prospects. Therefore, it can only be regarded as a semi-automated process: Which region is clearly specified by users, which region is blurred, and then make a sim