Showing 321 - 340 results of 4,479 for search 'low visualization', query time: 0.11s Refine Results
  1. 321

    LOW-INVASIVE TREATMENT OF PANCREATOGENIC RETROPERITONEAL ABSCESSES by M. P. Korolyov, R. G. Avanesyan, E. A. Mikhailova, G. M. Lepekhin, M. M. Turyanchik

    Published 2016-02-01
    “…The article presents the experience of treatment of pancreatogenic retroperitoneal abscesses in 52 patients with the application of low-invasive surgery under ultrasonic inspection. …”
    Get full text
    Article
  2. 322
  3. 323

    Development of a Children’s Visual Function Quality of Life (CVF-QoL) Instrument for Rural School-Going Children with Visual Impairments Within a South African Context: Item Genera... by Tshubelela Sello Simon Magakwe, Rekha Hansraj, Zamadonda Nokuthula Xulu-Kasaba

    Published 2025-01-01
    “…While tools exist for developed countries, there is a lack of instruments for rural school-going children in middle- to low-income countries. This study aimed to develop and validate an instrument to measure Children’s Visual Function Quality of Life (CVF-QoL) for South African children aged 6 to 17 with uncorrected refractive errors, visual impairments, or blindness. …”
    Get full text
    Article
  4. 324
  5. 325

    Efficacy of Bluetooth-Based Data Collection for Road Traffic Analysis and Visualization Using Big Data Analytics by Ashish Rajeshwar Kulkarni, Narendra Kumar, K. Ramachandra Rao

    Published 2023-06-01
    “…Extracted information and analysis are presented through visualizations and tables. All data analytics and visualizations are carried out off-line in R Studio environment. …”
    Get full text
    Article
  6. 326

    Non-Destructive Detection and Visualization of Chlorophyll Content in Cherry Tomatoes Based on Hyperspectral Technology and Machine Learning by Peng Huang, Pan Yang, Libiao Yang, Futong Xiao, Yanqi Feng, Yuchao Wang

    Published 2024-12-01
    “…The study examined the impact of various nitrogen concentrations on the chlorophyll content of cherry tomato leaves, and it was found that the high concentration of nitrogen inhibited the SPAD value of cherry tomato leaves more than that of the low concentration, and the optimal concentration of nitrogen fertilization for tomatoes was 300 mg·L<sup>−1</sup>. …”
    Get full text
    Article
  7. 327

    A new insight into foaming mechanisms in injection molding via a novel visualization mold by V. Shaayegan, L. H. Mark, A. Tabatabaei, C. B. Park

    Published 2016-06-01
    “…The mechanisms of bubble nucleation in low- and high-pressure foam injection molding, with and without the application of gas-counter pressure, was investigated. …”
    Get full text
    Article
  8. 328

    Study of Visualization Modalities on Industrial Robot Teleoperation for Inspection in a Virtual Co-Existence Space by Damien Mazeas, Bernadin Namoano

    Published 2025-04-01
    “…Effective teleoperation visualization is crucial but challenging for tasks like remote inspection. …”
    Get full text
    Article
  9. 329

    Visualization Experiment Study on Heat Transfer Characteristic and Limit of High-temperature Oscillating Heat Pipe by YANG Xin, JI Yulong

    Published 2025-03-01
    “…To conduct an in-depth analysis of the heat transfer characteristics and heat transfer limit of the HTOHP, a visualization experiment setup was constructed. By utilizing X-ray imaging technology, the working and heat transfer limit states of a single-turn HTOHP with cesium as the working fluid were visualized. …”
    Get full text
    Article
  10. 330

    Direct visualization of microwires in hybrid depth electrodes using high‐resolution photon‐counting CT by Steven Smeijers, Walter Coudyzer, Elina Keirse, Vasiliki Bougou, Thomas Decramer, Tom Theys

    Published 2024-12-01
    “…Conventional CT or MRI visualize the entire microwire bundle as an artifact extending from the BF electrode tip with low resolution, without proper identification of individual microwires. …”
    Get full text
    Article
  11. 331

    A dynamic object tracking system of industrial robots based on visual servoing technology by Yichao MAO, Qi LU

    Published 2019-03-01
    “…Visual servoing technology has high potential in many industrial applications.Conventionally,precise servoing is often achieved by using high-resolution cameras which are usually costly and unaffordable in many of industrial scenarios.A novel visual servoing control scheme which generates robot control signal based on the fusion of visual feedback and robot motion feedback was presented in the paper.By doing so,the robot control loop runs at a frequency independent to the visual feedback frequency (i.e.the frame rate of a camera).Therefore,it becomes feasible to achieve precise and dynamic servoing even with a low frame rate and low-cost camera.The new visual servoing scheme was introduced briefly.The feasibility of the scheme as well as its performances in low frame rate conditions was also illustrated experimentally.…”
    Get full text
    Article
  12. 332

    A novel wireless visual sensor network protocol based on LoRa modulation by Chunlei Fan, Qun Ding

    Published 2018-03-01
    “…At present, aiming at complexity of topology and limited network coverage for wireless visual sensor networks so that partial application cannot be implemented. …”
    Get full text
    Article
  13. 333

    Scalable video coding algorithm based on 3D hybrid tree and visual characteristics by Ming-zhe FU, Xiang-hai WANG, Chuan-ming SONG

    Published 2012-11-01
    “…The distribution characteristic of three-dimensional wavelet coefficients of video data was ana ed,and a scalable video coding algorithm was subsequently addressed based on hybrid three-dimensional tree and human visual system (HVS) characteristics.First,the hybrid tree structure was adaptively determined according to the auto-correlation of low-pass and high-pass coefficients.It reduced obviously the number of ion bits locating significant wavelet coefficients when scanning and processing low-pass and high-pass coefficients in temporal dimension.Second,each wavelet coefficient was weighted in terms of HVS sensitivity to its corresponding subband.Significant coefficients thus tended to be coded with high priority and arranged at the front of bitstream,and the reconstructed video quality was improved at low and medium bitrates to a great extent.Experimental results in terms of peak signal-to-noise ratio (PSNR) verified the effectiveness of the proposed algorithm on several test videos with varying characteristics.0.65dB,1.75dB,and 1.77dB higher PSNR are gained than asymmetric 3-D orientation tree for Y,U,and V components,respectively.Moreover,0.23dB,2.11dB,and 1.72dB higher PSNR are reached than single temporal-spatial orientation tree separately for Y,U,and V components.Besides,better subjective quality is obtained through effectively attenuating ringing artifact.…”
    Get full text
    Article
  14. 334

    Scalable video coding algorithm based on 3D hybrid tree and visual characteristics by Ming-zhe FU, Xiang-hai WANG, Chuan-ming SONG

    Published 2012-11-01
    “…The distribution characteristic of three-dimensional wavelet coefficients of video data was ana ed,and a scalable video coding algorithm was subsequently addressed based on hybrid three-dimensional tree and human visual system (HVS) characteristics.First,the hybrid tree structure was adaptively determined according to the auto-correlation of low-pass and high-pass coefficients.It reduced obviously the number of ion bits locating significant wavelet coefficients when scanning and processing low-pass and high-pass coefficients in temporal dimension.Second,each wavelet coefficient was weighted in terms of HVS sensitivity to its corresponding subband.Significant coefficients thus tended to be coded with high priority and arranged at the front of bitstream,and the reconstructed video quality was improved at low and medium bitrates to a great extent.Experimental results in terms of peak signal-to-noise ratio (PSNR) verified the effectiveness of the proposed algorithm on several test videos with varying characteristics.0.65dB,1.75dB,and 1.77dB higher PSNR are gained than asymmetric 3-D orientation tree for Y,U,and V components,respectively.Moreover,0.23dB,2.11dB,and 1.72dB higher PSNR are reached than single temporal-spatial orientation tree separately for Y,U,and V components.Besides,better subjective quality is obtained through effectively attenuating ringing artifact.…”
    Get full text
    Article
  15. 335

    Robust image hashing method from global perception features of human visual cortex by SUN Rui1, YAN Xiao-xing2, GAO Jun1

    Published 2011-01-01
    “…Firstly,the image was filtered low-passly and re-scaled to fixed size.Then the image was divided into key-dependent overlapping blocks.According to the hierarchical structure of HVS primary visual cortex,directional contour responses were extracted through layer-by-layer processing of visual pathway,and global perception features could be obtained by associating with the surface color of each blocks.These features included image direction and color information.The relation of adjacent entries was invariant to ordinary image processing.It could be used to quantize and permute these feature to get the binary image hash.Test results indicate that the proposed method is robust against con-tent-preserving modifications such as JPEG compression and filtering,at the same time,is capable of localizing image malicious tampering.Hashes of different images have very low collision probability.…”
    Get full text
    Article
  16. 336

    The impact of simulated visual impairment on medication use process: A study with healthy volunteers by Théodora Merenda, Fanny Depasse, Stéphanie Patris

    Published 2025-06-01
    “…Background: Visual impairment may be caused by various diseases and can impact the safe use of medications. …”
    Get full text
    Article
  17. 337

    Impact of fractal visual stimulation on healthy rabbit retina: functional, morphometric and biochemical studies by V. V. Neroev, M. V. Zueva, N. V. Neroeva, D. V. Fadeev, I. V. Tsapenko, T. D. Okhotsimskaya, V. I. Kotelin, T. A. Pavlenko, N. B. Chesnokova

    Published 2022-09-01
    “…Purpose: to investigate the changes of electrophysiological activity of healthy rabbit retina occurring in courses of fractal stimulation (FS) of varied duration in order to obtain new scientific data on how fractal visual signals of low intensity, self-similar with respect to time, affect the retina.Material and methods. 12 healthy Chinchilla rabbits (24 eyes), were examined before and after FS courses that lasted 1, 4 or 12 weeks, using electroretinographic (ERG), morphometric (optical coherence tomography) and biochemical methods (detection of dopamine in the tear). …”
    Get full text
    Article
  18. 338

    Visual SLAM algorithm for underground robots in coal mines based on point-line features by Li WANG, Tianxiang ZANG, Bo SU

    Published 2025-05-01
    “…In the application of visual SLAM(Simultaneous Localization and Mapping) in coal mines, lighting changes and low-texture scenes seriously affect the extraction and matching of feature points, resulting in the failure of pose estimation and affecting the positioning accuracy. …”
    Get full text
    Article
  19. 339
  20. 340

    Wandering around: a bioinspired approach to visual attention through object motion sensitivity by Giulia D’Angelo, Victoria Clerico, Chiara Bartolozzi, Matej Hoffmann, P Michael Furlong, Alexander Hadjiivanov

    Published 2025-01-01
    “…Event-based cameras, inspired by the mammalian retina, further enhance this capability by capturing asynchronous scene changes, enabling efficient, low-latency processing. To distinguish moving objects while the event-based camera is also in motion, the agent requires an object motion segmentation mechanism to accurately detect targets and position them at the centre of the visual field (fovea). …”
    Get full text
    Article