别笑印度开挂了！这俩发明全球跪了：没它抖音都刷不了

Core Viewpoint - The article highlights the significant yet often overlooked contributions of Indian inventor Nasir Ahmed, particularly his development of the DCT algorithm, which has become foundational in digital image and video compression, impacting global communication and technology [1][9]. Group 1: Historical Context of Indian Software Industry - In the late 20th century, India's software industry was highly regarded, with companies like InfoSys setting the standard for software outsourcing and achieving high CMM certification levels [1][2]. - During the early days of software outsourcing, Indian firms were seen as leaders, while Chinese companies were still learning from them [1][2]. Group 2: Development of DCT Algorithm - Nasir Ahmed conceived the idea of image compression in 1972 while working as a professor in the U.S., despite facing financial challenges and skepticism from peers [2][3]. - The DCT algorithm allows for significant image size reduction (up to 10:1) while maintaining visual quality, revolutionizing how images are stored and transmitted [6][7]. Group 3: Impact of DCT on Digital Communication - The DCT algorithm became integral to various digital formats, including JPEG for images and MP3 for audio, enabling efficient data transmission over the internet [7][8]. - Without DCT, modern digital communication, including video calls and social media sharing, would not be feasible, highlighting its critical role in the digital age [8][9]. Group 4: Recognition and Legacy - Despite the widespread use of DCT, Nasir Ahmed remained relatively unknown and did not seek patents or commercialize his invention, focusing instead on academia [9][10]. - The article emphasizes the importance of foundational innovations like DCT, which, while not always recognized, have profound effects on global connectivity and technology [10][11]. Group 5: Indian Innovation Culture - The article discusses the Indian approach to innovation, which often emphasizes deep technical research over quick financial gains, as exemplified by Ahmed's work on DCT and the invention of USB [10][11]. - This culture of perseverance and focus on foundational technology has led to significant contributions to the digital world, despite the perception of India as primarily a service-oriented economy [11][13].