A5089533202- Advanced Data Compression Techniques
- Image and Signal Denoising Methods
- Advanced Adaptive Filtering Techniques
- Digital Filter Design and Implementation
- Video Coding and Compression Technologies
- Medical Image Segmentation Techniques
- Advanced Image and Video Retrieval Techniques
- Acoustic Wave Phenomena Research
- Speech and Audio Processing
- Plant Gene Expression Analysis
- Image Processing Techniques and Applications
- Advanced machining processes and optimization
- Image Retrieval and Classification Techniques
- Advanced Surface Polishing Techniques
- Digital Image Processing Techniques
- Technology Adoption and User Behaviour
- Light effects on plants
- Advanced Wireless Network Optimization
- Advanced Vision and Imaging
- Vibration and Dynamic Analysis
- Surface Roughness and Optical Measurements
- Fermentation and Sensory Analysis
- Power Systems and Technologies
- Medical Imaging and Analysis
- AI in cancer detection
Shenzhen University
2023-2024
Anhui Agricultural University
2021
Kyoto University of Education
2018
China Astronaut Research and Training Center
2017
Dalian Jiaotong University
2012
Blackberry (United States)
2008-2011
Blackberry (Canada)
2007-2009
University of Oklahoma
2000-2005
Concordia University
2003
Northwestern Polytechnical University
2003
SUMMARY Rubus chingii Hu (Fu‐Pen‐Zi), a perennial woody plant in the Rosaceae family, is characteristic traditional Chinese medicinal because of its unique pharmacological effects. There are abundant hydrolyzable tannin (HT) components R. that provide health benefits. Here, an chromosome‐scale genome and related functional analysis insights into biosynthetic pathway HTs. In total, sequence data 231.21 Mb (155 scaffolds with N50 8.2 Mb) were assembled seven chromosomes average length 31.4 Mb,...
To maximize rate distortion performance while remaining faithful to the JPEG syntax, joint optimization of Huffman tables, quantization step sizes, and DCT indices a encoder is investigated. Given tables an efficient graph-based algorithm first proposed find optimal in form run-size pairs. Based on this algorithm, iterative then presented jointly optimize run-length coding, table selection. The not only results compressed bitstream completely compatible with existing MPEG decoders, but also...
In the practical transmission of compressed still images, bit errors may occur, which probably result in desynchronization and packet loss. packet-switched networks, network congestion also results This survey article reviews error resilience factors that must be faced by a robust image encoder decoder (codec). The begins with enumeration different kinds impact noisy channels congested networks have on block-coded images. Then we present techniques can applied to combat degradation images...
Flavonoids are important plant metabolites that exhibit a wide range of physiological and pharmaceutical functions. Because their biological activities, such as anti-inflammatory, antioxidant, antiaging anticancer, they have been widely used in foods, nutraceutical pharmaceuticals industries. Here, the hydroxylase complex HpaBC was selected for efficient vivo production ortho-hydroxylated flavonoids. Several expression vectors were constructed, corresponding products successfully detected by...
Rate distortion optimization can significantly improve encoder performance in most video coding applications. Taking MPEG-2 as an example, this paper addresses the full rate for first time by searching product space of all four free parameters regardless computational complexity. An efficient graph-based algorithm was extended to case from authors' previous work find optimal coefficient indices process. The proposed serves important role providing upper-bound benchmark without considering...
Given the JPEG syntax, rate-distortion performance a optimization method can improve is limited. Part of limitation comes from poor context modeling used by coder, which fails to take full advantage pixel correlation existing in both space and frequency domains. Consequently, context-based arithmetic coding proposed literature replace Huffman for better performance. In this paper, we extend our previous compatible joint algorithm scenario. Experimental results show that an extra 10~15% size...
JPEG optimization strives to maximize the best rate distortion performance while remaining faithful syntax. Given an image, if soft decision quantization (SDQ) is applied its DCT coefficients, then Huffman table, step sizes and SDQ coefficients are three free parameters over which a encoder can optimize. In this paper, we first propose novel algorithm find optimal coefficient indices in form of run-size pairs among all possible candidates given that other two fixed. Based on algorithm,...
This paper considers the reconstruction of images from block loss in transform codecs by pixel interleaving. Pixel interleaving works on splitting adjacent pixels original image before encoding so that only affects individual pixels. The lost at decoder can be recovered its undamaged neighbor Four kinds schemes are proposed this paper. Simulation shows is effective recovering blocks, especially high rate.
Multiple description coding encodes a source image into two or more mutually refinable bitstreams to overcome channel impairments. When one channels fail, received bitstream(s) are decoded provide lower but acceptable quality of the reconstructed image. This paper proposes multiple scheme using pixel interleaving by taking advantage intrinsic correlation adjacent pixels. We improve substantially performance from descriptions compromising some extent single description. is achieved...
This paper presents a surface image acquisition system based on digital processing technology. The acquired by CCD is pre-processed through the procedure of editing, equalization, binary conversation and feature parameters extraction to achieve casting roughness measurement. three-dimensional evaluation method taken obtain extraction. An automatic detection interface MATLAB compiled which can provide solid foundation for online fast
In feedback active noise/vibration control systems, the performance depends on predictability of primary disturbance, and a random process in turn characteristics length adaptive filter. Modeling error may result presence constructive interference some frequency bands while desired destructive is being achieved other bands. This paper proposes technique that alleviates reduces computational complexity at same time by selective adaptation domain. Our experiments real vibration system show...
In some online transcoding applications, such as web browsing, contents are transcoded into the same or a different format to reduce bandwidth consumption and speed up access for narrow bands, wireless channels. addition rate-distortion performance of transcoder, transcoder complexity plays crucial role in real time since it directly affects total latency. This paper proposes formulates joint optimization problem latency distortion, which is related both transcoder. A practical solution...
This paper proposes two entropy constrained color splitting algorithms through building a binary tree structure for progressive transmission of palette images. At each step splitting, representative is split into new colors to minimize the distortion incurred by reconstructed image subject an constraint. Among bit rates interest, both proposed unconditional and conditional algorithm achieve, on average, 20% more size reduction than existing distortion-based while maintaining same our tested...
This paper proposes a combined sub-band decomposition and frequency domain LMS algorithm for active vibration control systems. The improves the overall performance by employing to trade-off mitigation among various sub-bands using method alleviate any constructive interference. proposed is then applied mechanical reduction of planar surface. Experiments show that provides flexibility feedback system can be mitigated certain applications.
Introduces the computer communication network system design of first CIMS (computer integrated manufacturing system) application project China-CAC (Chengdu Aircraft Corporation). The CAC is a complex but typical due to coexistence different protocols, heterogeneous mainframes and many kinds switch devices. selection protocol mutual transform connection scheme node computers, topology line system, configuration monitoring management are presented.< <ETX...
This paper introduces a sub-band adaptive algorithm that avoids the signal path delay, and so can be used in an active control (feedback) system. A side effect of this is it still causes extra delay error due to analysis filter bank. Even though along has only slight influence on steady-state behavior, does decrease system bounds stability. We propose compensation method alleviates problem. Simulation results are presented illustrate efficiency new algorithm.