Search for dissertations about: "edge detection"

Showing result 1 - 5 of 60 swedish dissertations containing the words edge detection.

  1. 1. Pushing edge detection to the limit : towards building semantic features for human emotion recognition

    University dissertation from Umeå : Department of Applied Physics and Electronics, Umeå University

    Author : Bo Li; Umeå universitet.; [2013]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; edge detection; multi-scale; threshold; hysteresis; non-maximum suppression; redundancy; center of mass; integral image; bottom-up feature;

    Abstract : .... READ MORE

  2. 2. Discrete Scale-Space Theory and the Scale-Space Primal Sketch

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Tony Lindeberg; KTH.; [1991]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Computer vision; low-level processing; scale-space; diffusion; Gaussian filtering; discrete smoothing; primal sketch; segmentation; descriptive elements; scale detection; image structure; focus-of-attention; tuning low-level processing; blob detection; edge detection; edge focusing; histogram analysis; junction classification; perceptual grouping; texture analysis; critical points; classification of blob events; bifurcations; drift velocity; density of local extrema; multi-scale representation; digital signal processing; Computer Science; Datalogi;

    Abstract : This thesis, within the subfield of computer science known as computer vision, deals with the use of scale-space analysis in early low-level processing of visual information. The main contributions comprise the following five subjects:The formulation of a scale-space theory for discrete signals. READ MORE

  3. 3. Interference Rejection and Channel Detection in Mobile Communication

    University dissertation from Mathematical Statistics, Centre for Mathematical Sciences, Lund University

    Author : Fredrik Nordström; Lunds universitet.; Lund University.; [2004]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; detection of abrupt changes; WCDMA; Viterbi decoder; Kalman filter; co-channel interference; TDMA; EDGE; Mathematics; Matematik;

    Abstract : This thesis is devoted to statistical problems in mobile communication, in particular disturbance rejection and change detection are studied. Co-channel interference is a significant problem for systems based on TDMA, e.g. EDGE. READ MORE

  4. 4. Interest Curves Concept, Evaluation, Implementation and Applications

    University dissertation from Umeå : Umeå Universitet

    Author : Bo Li; Umeå universitet.; [2015]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; scale-invariance; edge; corner; curve; line; matching; object detection; signalbehandling; Signal Processing;

    Abstract : Image features play important roles in a wide range of computer vision applications, such as image registration, 3D reconstruction, object detection and video understanding. These image features include edges, contours, corners, regions, lines, curves, interest points, etc. READ MORE

  5. 5. Resource allocation for Mobile Edge Clouds

    University dissertation from Umeå : Umeå University

    Author : Amardeep Mehta; Umeå universitet.; [2018]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mobile Edge Clouds; Edge Fog Computing; IoTs; Distributed Resource Allocation; Computer Science; datalogi; Computer Systems; datorteknik;

    Abstract : Recent advances in Internet technologies have led to the proliferation of new distributed applications in the transportation, healthcare, mining, security, and entertainment sectors. The emerging applications have characteristics such as being bandwidth-hungry, latency-critical, and applications with a user population contained within a limited geographical area, and require high availability, low jitter, and security. READ MORE