Video Transmission Using Multi-Level Content Aware Compression Based on Object Detection
نویسندگان
چکیده
The computational power of network nodes whether it is a mobile device or a miniaturized computer increases year by year, however the capacity of wireless channels in 4G networks is still falling behind for real-time video transmission. The paper proposes utilizing the computational capacities of mobile devices to detect objects of interest and apply less compression to corresponding regions, while the rest of the video frame is compressed with a higher compression ratio. We generalized this approach on multiple compression ratios depending on the importance of detected objects. For testing purposes we implemented a transmission system that takes into account the content that is being transmitted.
منابع مشابه
Flock-of-bird Algorithm for Fast Motion Based Object Tracking and Transcoding in Video Streaming
Object based bit allocation enables video coding with high perceptual quality at significantly reduced bit-rate. In this paper, we describe a fast content aware video transcoding technique particularly designed for streaming video. The algorithm can accept an initial high-level description of the expected video objects. The proposed flock-or-bird algorithm then detects and tracks these target s...
متن کاملUser-aware Video Coding Based on Semantic Video Understanding and Enhancing
Traditional video coding is devoted to represent the video data compactly by dealing with low-level features (e.g., color, motion, texture, etc.) of the video. However, with the insatiable demand of Internet and increased use of multimedia, the bit-rate control issues are more and more important. In order to achieve more efficient representation for coping with diverse network or devices, many ...
متن کاملVideo Service Quality Estimation in Significance Aware Transport Networks
As video distribution over optical transport networks becomes more and more important, considerable focus is put on providing the appropriate quality for this transport service. A typical trade-off seen in this context is between sophisticated compression techniques used in order to save required transmission bandwidth, and the sensitivity of service quality with respect to transport network in...
متن کاملMulti-Scale Saliency Detection using Dictionary Learning
Saliency detection has drawn a lot of attention of researchers in various fields over the past several years. Saliency is the perceptual quality that makes an object, person to draw the attention of humans at the very sight. Salient object detection in an image has been used centrally in many computational photography and computer vision applications like video compression [1], object recogniti...
متن کاملReal-time preprocessing and video object segmentation for high compression and content-based MPEG-4 coding
MPEG-4 video has been designed as a standard for video and audio compression, content-based functionalities, scalability of texture, images and video, shape coding, robustness in error-prone environment, and face and body animation. With all these functionalities, however, MPEG-4 still has limitations in practical software development. In this paper, we developed the frame preprocessing for rea...
متن کامل