Cloudinary Blog

Blog posts of 'Java' tag
Powerful facial detection for image manipulation

Many of the photos displayed on the internet these days are of people. If your website or mobile application displays photos that include people, you will want to make sure that their faces are included in the delivered images when cropping and manipulating them to fit your graphic design and responsive layout. You may even want to further manipulate an image according to the faces present, for example, adding a harlequin mask overlay on all of their eyes, where each mask is adjusted to the correct size and orientation (although not a typical use case, it's a cool example of using advanced facial attribute detection):

Read more
Painless image and video manipulation with JavaScript

Cloudinary’s JavaScript library accelerates web development by providing automated image manipulation and management with a few lines of code. The newly released version streamlines the library by providing a much requested jQuery-free core library. At the same time it is fully backward compatible with previous versions. The new library is further enhanced with classes and a chainable API, making the implementation of Cloudinary functionality in your application easier (and more enjoyable!).

Read more
Dynamically distort images to fit your graphic design

It can be quite a challenge to graphically design a website or mobile application that displays images in very precise shapes and orientations. This can take the form of warping 2D pictures to have a 3D perspective, placing images in precise shapes or overlaying images in specific locations within another image, for example: overlaying an image over the screen of a smartphone.

Read more
Automatic image tagging and categorization

If you have an application that allows users to upload their own photos, it can be very useful to be able to organize these photos according to their content. This will allow you to categorize the content for displaying to all your users and make your image library searchable. Furthermore, you can also learn more about your users according to the content they upload and find different trends of what people care about. Other added benefits can also include the ability to display matching content to your users according to their interests or even match them with other users that share similar interests.

Read more
How to optimize animated GIFs with lossy compression

Animated GIFs keep getting more and more popular, but they are generally very big images with slow loading times and high bandwidth costs, while the format itself is quite old and not optimized for modern video clips. As developers, you need to allow users to upload their animated GIF files, but you also need to deliver optimized images, which can be a complex, time consuming process.

Read more
Automatic visual image enhancement for web apps

Various factors can have an effect on the visual quality of photos captured by a wide variety of digital cameras. Technical limitations of cameras, coupled with changing conditions in which users take photos, results in a wide range of visual quality. Camera-related limitations arise from a combination of poor optics, noisy sensors, and the modest capabilities of mobile camera phones that are used to take photos in conditions that range from bright daylight to indoor scenes with incandescent light or even dark night scenes.

Read more
Automatically create images for Responsive design

Responsive web design is a method of designing websites to provide an optimal viewing experience to users, irrespective of the device, window size, orientation, or resolution used to view the website. A site designed responsively adapts its layout to the viewing environment, resizing and moving elements dynamically and based on the properties of the browser or device the site is being displayed on.

Read more
Control the zoom level with automatic image cropping

Many websites now offer their users the ability to upload images and profile pictures, making it a challenge for web designers to maintain a certain graphic design and style when subsequently displaying these images. The profile pictures may need to be smartly cropped to focus on the faces, with some sites that prefer close-ups of faces and others that prefer including more background when displaying images of people.

Read more