[PDF] Top 20 Region of interest determination and bit rate conversion for H 264 video transcoding

... a video transcoder and the idea of ROI, a compressed domain transcoder from MPEG-2 to ...the transcoding process. In multipoint video conferen- cing, Li et ...ROI region is not precise enough ... See full document

... source H.264 encoding solutions such as x264 have been shown to provide drastically better performance and have features comparable to the JM software; modifying such an encoder with the selected RoI ... See full document

... detect video copies encoded with the H.264/AVC ...the H.264/AVC standard wherein different regions of a frame and different types of frames are encoded as different macroblock ...common ... See full document

... attractive video coding framework for giving users more immersive experience by allowing users to view 3D ...efficiency video coding (HEVC) or ...preceding H.264/AVC ...low ... See full document

... to H.264 video transcoder in terms of time saving, which is a critical issue in video transcoding applications, achieves the best results, with a negligible loss in video quality ... See full document

... frame-skipping transcoding process, as well as encrypts important frame, we can achieve accelerating encoding rate and access to safe video ...skipping transcoding, many scholars and experts ... See full document

... of H.264/AVC; for example, improvements in the H.264/AVC rate control include adopting new frame complexity measures to enhance the model-based rate control scheme in [4] that ... See full document

... RDO-based rate con- trol scheme for H.264 with two-step QP determination but single-pass encoding in order to maximize the video quality by appropriately determining QP for each mac- ... See full document

... video sequence. After applying a two dimensional Haar wavelet transform on it, Figure 5(b) is obtained. Finally, Figure 5(c) indicates the corresponding LL, LH, HL, and HH bands according to Figure 5(b). ... See full document

... a video transcoder from H.264/AVC to SVC with temporal scalability in order to maintain transcoding visual quality and save coding time simul- ...when transcoding a single layer ... See full document

... of H.264/AVC, which is denoted as scalable video coding (SVC) ...single-layer H.264/AVC, providing different types of scalability such as temporal, spatial, and quality or a combination ... See full document

... proposed rate con- trol method when used together with the proposed fast transcoding methods, the Foreman sequence was transcoded to ...by transcoding with di ff erent constant ...consistent ... See full document

... DCT-to-HT conversion of transform co- e ffi ...a rate-distortion optimized mode decision in the transform domain, including a novel means of calculating distortion in the transform ... See full document

... the CMB. CMVmxn is the mean of the 16 × 16 block PMV of the neighbor MBs. The same CMVs were applied to the MBs in a CMB for most reference data reuse between the MBs for external memory prefetching. In our simulation, ... See full document

... Motion compensation is an algorithmic technique used to predict a frame in a video, given the previous and/or future frames by accounting for motion of the camera and/or objects in the video. It is ... See full document

... the video stream parser, with a focus on providing an architecture to be targeted for two ASICs and an ...an H.264/AVC video parser design is targeted for two ASIC process technologies and an ... See full document

... ABSTRACT: H.264/AVC video compression standard provides high coding efficiency, but it has high complexity and consumes more ...of H.264 audio video codec and why this ... See full document

... the video. For example, if the video object contain many detailed textures or high motion, the probability of coding it using small partition such as INTER8 × 8 mode is much higher than that of using a ... See full document

... of H.264/AVC videos is presented, which includes three parts, ...i.e., H.264/AVC video encryption, data embedding and data ...original H.264/AVC video stream using ... See full document

... intends to investigate efficient algorithms for the latest video coding standard, H.264/AVC.. Two aspects of H.264/AVC standard are inspected in this thesis: (1) Speeding up intra4x4.[r] ... See full document