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⛄ 内容介紹
基于視訊的目标檢測與跟蹤是計算機視覺領域主要的研究方向之一。它在智能監控、人機互動、視覺導航等衆多領域有着廣泛應用,并發揮着舉足輕重的作用。本文圍繞視訊目标檢測與跟蹤技術,重點研究了運動檢測、目标比對、跟蹤架構等關鍵技術及方法。
⛄ 部分代碼
Detect Object in Video
close all
clear
clc
SETUP
Load a pre-trained ACF detector.
load('Detector.mat');
Create video file reader for input
vidReader = VideoReader('buoyRun.mp4');
Create video player for visualization
vidPlayer = vision.DeployableVideoPlayer;
Initialise variables
i = 1;
results = struct('Boxes',[],'Scores',[]);
LOOP
while(hasFrame(vidReader))
% GET DATA
I = readFrame(vidReader);
% PROCESS
[bboxes, scores] = detect(detector,I,'Threshold',1);
% Select strongest detection
[~,idx] = max(scores);
results(i).Boxes = bboxes;
results(i).Scores = scores;
% VISUALIZE
annotation = sprintf('%s , Confidence %4.2f',detector.ModelName,scores(idx));
I = insertObjectAnnotation(I,'rectangle',bboxes(idx,:),annotation);
step(vidPlayer,I);
i = i+1;
end
results = struct2table(results);
CLEANUP
release(vidPlayer);