Sökning: "video surveillance"

Visar resultat 16 - 20 av 69 uppsatser innehållade orden video surveillance.

  1. 16. Increasing Sound Quality using Digital Signal Processing in a Surveillance System

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Gustav Johnsson Henningsson; Patrik Siljeholm; [2016]
    Nyckelord :Digital Signal Processing Noise reduction Equalizer Microphone Spectral subtraction Surveillance Audio Wiener filter; Technology and Engineering;

    Sammanfattning : Hearing is our second most important sense. The main focus of a surveillance camera is obviously the video but the audio shouldn't be neglected. It is possible to hear what the camera can't see and what is said in a conversation can't be showed in a video. Therefore there are good reasons to always try and achieve the best audio possible. LÄS MER

  2. 17. Wildlife Surveillance Using a UAV and Thermal Imagery

    Master-uppsats, Linköpings universitet/Reglerteknik; Linköpings universitet/Reglerteknik

    Författare :Cornelis Christensson; Albin Flodell; [2016]
    Nyckelord :drone; UAV; UAS; gimbal; autonomous; wildlife surveillance; tracking; planning; thermal; particle filter;

    Sammanfattning : På senare år har tjuvjakten på noshörningar resulterat i ett kritiskt lågt bestånd. Detta examensarbete är en del av ett initiativ för att stoppa denna utveckling. Målet är att använda en UAV, utrustad med GPS och attitydsensorer, samt en värmekamera placerad på en gimbal, till att övervaka vilda djur. LÄS MER

  3. 18. Analysis of Optical Flow Algorithms for Denoising

    Master-uppsats, Lunds universitet/Matematik LTH

    Författare :Markus Larsson; Louise Söderström; [2015]
    Nyckelord :Optical flow; noise reduction; video sequences; video surveillance; algorithms; Mathematics and Statistics; Technology and Engineering;

    Sammanfattning : When a video sequence is recorded in low-light conditions, the image often become noisy. Standard methods for noise reduction have difficulties with motion. But the interesting parts in a video is often the ones that are moving, for instance a burglar captured in a surveillance video. LÄS MER

  4. 19. FPGA implementation of ROI extraction for visual-IR smart cameras

    Kandidat-uppsats, Mittuniversitetet/Avdelningen för elektronikkonstruktion

    Författare :Sajjad Zandi Zand; [2015]
    Nyckelord :FPGA; Image Processing; Nearest Neighbour; Upscale; YCbCr;

    Sammanfattning : Video surveillance systems have been popular as a security tool for years, and the technological development helps monitoring accident-prone areas with the help of digital image processing.A thermal and a visual camera are being used in the surveillance project. LÄS MER

  5. 20. Stationary Object Detection in Video

    Master-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Filip Leiding; [2015]
    Nyckelord :;

    Sammanfattning : Computer Vision is an expression which summarise the area of which image and video analysis is made automatically by computers after given instructions for a specific purpose. VCA (Video Content Analysis) is a subcategory which handles analysis on video files or cameras. LÄS MER

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