When you capture an image using your phone in the evening without flash, do you see how the image is a bit on the darker side? When you take an image with too many lights around you, the images becomes a bit too bright. Neither of the two situations gives us a good quality picture. … Continue reading Histogram Equalization Of RGB Images
Tag: Images
Content Delivery Network – Part 2/2
In the previous post, we discussed about content delivery network (CDN) and why we need it. This post is a continuation of that topic. Here, we will discuss about the pros and cons of using CDN. CDN obviously helps the sites that experience heavy traffic. Most of the times, you will think that just using … Continue reading Content Delivery Network – Part 2/2
Content Delivery Network – Part 1/2
Internet users today are demanding faster and higher-quality services from their media hosting companies. Being an internet user yourself, you should know that we place a high demand on these services. This is the reason quick access and delivery of rich-media like music, photos, videos etc has become a top priority. Wait a minute, why … Continue reading Content Delivery Network – Part 1/2
Purkinje Effect
Ever wondered why the colors seem to change at night? For example, if you look at an air painting, you can see how the colors of objects look radically different in very low light just before dawn or dusk. Consider a red rose, for instance. We know that the flower's petals are bright red against … Continue reading Purkinje Effect
Kruithof Curve
This is more of a continuation of my blog post on color temperature. Back when fluorescent light sources first came up, they changed the way humans thought about light and color rendering. A scientist named Arie Andries Kruithof performed some experiments on how the human eye relates the amount of light in a given time … Continue reading Kruithof Curve
What Is Color Temperature?
Wait a minute, isn't "temperature" associated with weather? How can color have temperature? The thing is that color temperature is actually a characteristic of visible light that has several important applications in photography, publishing, and many other fields. We actually see and feel it all the time, it's just that we don't realize that we … Continue reading What Is Color Temperature?
How To Set The Background Image For Your iOS App?
When you are designing your iOS app, you cant help but think about the aesthetics. You want to present your app in the best possible way. There are some things you cant ignore, like the icon, or the background, or the first screen. These are the things that tend to impact your app the most. … Continue reading How To Set The Background Image For Your iOS App?
Pixelation
Pixelation is the display of a digitized image where the individual pixels are easily visible to a viewer. This can happen unintentionally when a low-resolution image designed for an ordinary computer display is projected on a large screen. In this situation, each pixel becomes separately viewable. It's not pretty! Pixelation is also sometimes used to … Continue reading Pixelation
Graph-Cuts In Computer Vision
The theory of graph-cuts is used often in the field of computer vision. Graph-cuts are employed to efficiently solve a wide variety of computer vision problems, such as image smoothing, the stereo correspondence, and many other problems that can be formulated in terms of energy minimization. Hold on, energy minimization? It basically refers to finding … Continue reading Graph-Cuts In Computer Vision
The Intuition Behind Image Watermarking
This is a continuation of my blog post on intro to digital watermarking. In that post, we discussed what digital watermarking is and how it can be achieved. Here, we will discuss the intuition behind image watermarking and a few techniques that can be used. If you look at enough number of images, you will … Continue reading The Intuition Behind Image Watermarking
Perpetual Enigma 