Image Compression - JPEG(II)

We previously discussed how DCT works to achieve compression in Image Compression - JPEG(I). Today, we’ll focus on quantization, which controls the trade-off between image quality and bitrate. Simply put, quantization

Image Compression - JPEG(I)

Today, we’re going to talk about image compression—specifically JPEG, one of the most commonly used image formats today. To keep things manageable, we’ll split this topic into two posts. So,

Quantum Cryptography

Quantum: where the impossible is merely unmeasured. Today, we’re kicking off our very first post on quantum computing. Quantum is a hot topic—and many believe it holds the key to humanity’

Neetcode - Course Schedule

Code is communication. Course Schedule You are given an array prerequisites where prerequisites[i] = [a, b] indicates that you must take course b first if you want to take course a. The pair

Neetcode - Pacific Atlantic Water Flow

Write code that makes sense tomorrow, not just today. Pacific Atlantic Water Flow You are given a rectangular island heights where heights[r][c] represents the height above sea level of the cell