Image and video resizing involves adapting an image or video to displays with different sizes and aspect ratios, often resulting in warping or distortion. Video retargeting addresses the problem of ad...
Learn More

The effective speed of computer processors may be increased by speculative execution in which computer instructions are executed before the data necessary for that execution are available. Speculation...
Learn More

Mobile devices such as cell phones are used increasingly to connect to computer networks such as the Internet for Web browsing, email communication, voice-over-IP (VoIP) telephone and other Internet s...
Learn More

Operating systems, such as Microsoft Windows or Linux, provide one or more file systems to store and organize data. A file system stores file data on a storage device and makes the data available to t...
Learn More

Signal-to-noise ratio (SNR) is utilized in medical imaging as a quantitative measure of image quality. As SNR decreases, it becomes increasingly more difficult to differentiate between important anato...
Learn More

Time-frequency analysis involves detecting when oscillations of certain frequencies turn on and off. This kind of analysis is useful in nearly every field of science and engineering. The traditional a...
Learn More

Multicore processors incorporate independent cores onto an integrated circuit, which allows for faster processing by distributing portions of the parallel processing task among the different cores. Th...
Learn More

In applications such as military vehicles, ultrawide band antennas are needed to operate at very low frequencies. At such frequencies, the electromagnetic wavelength is very large. Consequently, any a...
Learn More

Suspension crystallization processes often result in crystals with a wide range of particle sizes.  Accurately controlling the distribution of shapes and sizes is a challenge in the pharmaceutica...
Learn More

Modern public information and transaction machines such as kiosks and automated teller machines (ATMs) frequently employ a touch screen in conjunction with a computer to provide multimedia capabilitie...
Learn More

Night vision systems utilize cameras that are sensitive to wavelengths such as infrared (IR) to produce image frames. The IR image frames may be displayed alone in sequence to provide a moving picture...
Learn More

Network intrusion detection systems (NIDS) use signature-based detection of malicious software, or malware, to identify suspicious patterns in network traffic. Malware can be disguised by changing dat...
Learn More

Wireless communication has grown significantly over the past several years. To support multiple private two-way communications, the available spectrum is divided into a number of sub-channels that are...
Learn More

Radiopharmaceuticals are radioactive materials that “target” specific tissues to allow imaging or treatment. During radiation therapy, the radiopharmaceutical must be administered to provi...
Learn More

Multicore processor technology allows a program to utilize resources efficiently by splitting into concurrently running tasks, or threads. Problems exist when these tasks access the same data. If one ...
Learn More

Packet classification is a critical factor affecting the quality of service and security on Internet protocol and other packet-based networks.  Packet classification involves matching incoming in...
Learn More

Multi-threaded software provides multiple execution “threads” that act like independent (but cooperating) programs and can be assigned to different computer processors for parallel, and th...
Learn More

Support vector machines (SVMs) are powerful tools for classifying data that are often used in data mining operations. An SVM classifies data in extremely large data sets by identifying a linear or non...
Learn More

In the interconnected world of computers, malicious programs such as viruses have become an omnipresent and dangerous threat.
Learn More

As computer programs execute, they pass through different phases of operation that require more or less hardware resources. If the available hardware resources are insufficient for the needs of a part...
Learn More

Silicon is a relatively inexpensive material for making integrated power amplifiers for communications devices such as cell phones; however, these power amplifiers are generally limited to low power a...
Learn More

Network intrusion detection systems (NIDS) can help protect computer networks from worms, viruses and other malicious software. Today’s NIDS rely on a set of simple signatures to identify malici...
Learn More

Most decimal dividers are for fixed-point (typically integer) decimal data. They cannot be directly applied to floating-point decimal dividers; require time-consuming and error-prone scaling when work...
Learn More

Most decimal adders add only two numbers at a time. Adding several numbers together takes a long time, because each addition requires carries to propagate.
Learn More

Quantum computers use quantum particles (e.g., electrons), called qubits, to process information, instead of bits as in classical, serial computing. Unlike bits, which exist in either the 0 or 1 state...
Learn More