Unlike classical wired networks and wireless sensor networks, WMSN differs from their
predecessor's scalar network basically in the following points; nature and size of data being …

Wireless Visual Sensor Networks (WVSNs) where camera-equipped sensor nodes can
capture, process and transmit image/video information have become an important new …

With the advent of visual sensor networks (VSNs), energy‐aware compression algorithms
have gained wide attention. That is, new strategies and mechanisms for power‐efficient …

Congestion is a challenging problem for sensor networks because it causes the waste of
communication and reduces energy efficiency. Compared to traditional wireless sensor …

Video applications are being a key component to enhance traditional wireless sensor
networks (WSN) applications. As a result, sensor network researchers need adequate and …

Wireless Multimedia Sensor networks (WMSNs) have shifted the focus from scalar wireless
sensor networks to networks with multimedia devices that are capable to retrieve video …

在资源受限的无线多媒体传感器网络中存在大量的视频数据需要处理和传输.
为充分地利用这些有限的资源, 需要设计一个能够综合考虑能量消耗和压缩率 …

Abstract Discrete Cosine Transform (DCT) is known as one of the most significant,
fundamental, and prevailing transforms in data compression, watermarking, and medical …

Multidimensional sensors, such as digital camera sensors in the visual sensor networks
VSNs generate a huge amount of information compared with the scalar sensors in the …

A low-complexity pruned eight-point discrete cosine transform (DCT) approximation for
image compression in visual sensor networks is introduced. The proposed transform …