iOS image processing in social app development

Social apps are one of the more popular apps on the market today, and if you want to develop an app like Instagram or Weibo, you might know some basic uikit, Internet connections, server-side, and so on, but for social apps, Picture and picture filters are a very, very important part, and if you want to get ready to develop social apps from both the crash and the knowledge system, you probably need the following suggestions:

Crash classes:

1, in fact, the network has a very many more mature picture class library, normal can be learned quickly through a short time and can be directly applied to your development. If you need to enumerate, it is probably the following two types:

L Apple: Core Image. In the basic frame settings of core image, the filter is simple. Basically you enter three lines of code can be done one, a set filter parameter is an output, an output to take a filter effect is very perfect. Of course, the Core image has built-in filters that have less than 200 effects, although the numbers look like they are generally good enough to handle normal daily use.

L Gpuimage,gpuimage can be said to be a private open source project, it gives its users a relatively basic image filter, video real-time filter, most image processing calculations, such as GPU-based. The core image of the CPU is still relatively good, for some of the wrong operation of large images to do real-time filter, its efficiency is very good.

2. Knowledge System class:

In fact, about the image processing here, the basic knowledge of the system is very important, even if the above-mentioned Crash class library can be used, in case a little bit of sexual demand, or play does not turn, so decided to recommend a few very basic knowledge system books, to help you to consolidate the basic knowledge system, with the above commonly known as the combination of Complementary.

L Advanced mathematics, signal and system, linear algebra, probability theory and mathematical statistics, are some of the basic can be used, but also the most basic mathematical knowledge, if the list is not very full, you can check or supplement, you can.

l have the foundation of those books, there are some problems can be checked books, such as "Learning OpenCV", the 1th to 9th chapter after reading basic can use Google and GitHub to do something like, OpenCV filters a lot of, can also be highly customized and some other functions. In addition to the "Learning OpenCV", as soon as possible to get started is probably the "OpenCV2 Computer Vision Programming Manual."

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iOS image processing in social app development