how to read picture metadata

The picture itself is a variety of image data carrier, including the pixel, color, grayscale and other data information, in addition, also contains the exposure data, date, location, copyright and other metadata (metadata).What is picture

The most complete site metadata meta tag meaning and how to use itWith the popularity of HTML5 and the evolution of web technology, the META tag team is growing, from Windows XP IE6 to now Windows 7, Windows 8 IE9, IE10, IE11, HTML5 support is

The most complete Web site metadata meta tag meaning and usageWith HTML5 's popularity and web technology evolving, the META tag team is growing, from Windows XP IE6 to today's Windows 7, Windows 8 IE9, IE10, IE11, support for HTML5 is getting

Why MySQL appears waiting for table metadata lock and how to fix itWhen MySQL is doing DDL operations such as ALTER TABLE, there are times when waiting for table metadata lock is waiting for the scene. Furthermore, once ALTER TABLE TableA's

OverviewPrograms that are now developed on the. NET platform are compiled with IL code, resources, assembly manifests, and type metadata. We know that the IL code is the code we write, the resource is the picture file, XML file, and other files,

There are three ways to do image I/O in Java (that is, read pictures and write pictures, and do not involve complex image processing): The Java image I/O API, which supports common images, is built from Java 2 version 1.4.0. Home:

-(void) Readxmpforimagewithurl: (                  Nsurl *) URL {cgimagesourceref imagesourceref = Cgimagesourcecreatewithurl ((__bridge cfurlref) URL, NULL);   Cgimagemetadataref metadataref = Cgimagesourcecopymetadataatindex (imagesourceref, 0,

secrets Taobao 28.6 billion massive image storage and processing architecture (turn)Application Server Linux Network application data structure Nginx "IT168" August 27 afternoon, in the IT168 system Architects Conference storage and System

With the development of the web, the traffic of website resources becomes bigger and larger. According to statistics, 60% of the website traffic are from the site pictures, visible to the picture reasonable optimization can greatly affect website

There are three ways to do image I/O in Java (that is, to read pictures and write pictures, without involving complex image processing):1. The Java image I/O API, which supports common images, has been built from Java 2 version 1.4.0.Home: