Recently digital signal processing has become very popular in video signal processing systems. Analog-toDigital (A/D) converters in this field, namely, video A/D converters, are also popular and have been integrated into mixed-signal system LSIs. Both power consumption and power supply voltage of video A/D converters have been decreasing drastically in recent years [1], [2]. One of the applicat...

A proposed blind video data hiding approach, for embedding different types of data in video frames is presented. Video signal is a highly correlated signal, this correlation is stemming from two sources. The first one is the spatial correlation that results from inter-pixel correlation within each frame of the video sequence. The second one is the temporal correlation that results from the slow...

This paper seeks to provide an approach to subjective video quality assessment in H.264/AVC standard. In general, methods for video content quality evaluation can be divided on objective and subjective one. While objective methodology uses mathematical methods for presenting human visual system (HVS), subjective method uses group of subjects (observers) to present decoded video sequences. Video...

that adaptively adjusts the video codec parameters to the experienced wireless channel capacity. The experimental network also contains a designed antenna small enough to be incorporated in the camera. Special considerations regarding the radiation diagram have been taken into account for not affecting the head of the proper cameraman. Obtained experimental WiMAX throughput in function of the s...

A new set of features is introduced for characterization of impulsive events in video clips from the audio signal. The discriminative power of these features to detect and isolate racket hits in tennis video clip is discussed.

1 Matjaž Špan, dr.med, General hospital Izola, Department of vascular surgery, Polje 40, SI-6130 Izola, Slovenia, [email protected] 2 University of Ljubljana, Faculty of Electrical Engineering, Laboratory of Metrology and Quality, Tržaška 25, 1000 Ljubljana, Slovenia 3 University of Ljubljana, Faculty of Electrical Engineering, Digital Signal, Image and Video Processing Laboratory, Tržaska ...

The video quality assessment must be adapted to the human visual system, which is why researchers have performed subjective viewing experiments in order to obtain the conditions of encoding of video systems to provide the best quality to the user. The objective of this study is to assess the video quality using image features extraction without using reference video. RMSE values and processing ...

The video performance of the Median wireless asynchronous transfer mode (WATM) system is evaluated for a range of application scenarios using the H.263 video codec and a novel packetisation and acknowledgement scheme. The video resolutions and system parameters used are summarised in Tables 1 and 2. The required channel signal-to-noise ratio for near-unimpaired video quality is about 16dB over ...

The video performance of the Median wireless asynchronous transfer mode (WATM) system is evaluated for a range of application scenarios using the H.263 video codec and a novel packetisation and acknowledgement scheme. The video resolutions and system parameters used are summarised in Tables 1 and 2. The required channel signal-to-noise ratio for near-unimpaired video quality is about 16dB over ...