Television station logo identification system based on deep learning
A deep learning and station logo identification technology, applied in the field of computer vision, can solve the problems of overlapping station logos, difficult similar colors and transparent station logos, low recognition rate, etc., to achieve high real-time effect.
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Embodiment 1
[0056] Take training a model containing 80 logos as an example to illustrate the training process of the logo recognition model.
[0057] (1) Collect samples of each type of logo, index: the number of samples is 3000 for each type, and the collection time interval between each sample is 3s;
[0058] (2) Delete samples that are not suitable for training in the sample;
[0059] (3) Select a sample that is close to a black background in each type of station logo, and segment the station logo foreground image and the station logo itself image;
[0060] (4) Artificially synthesized samples, 2000 samples per category were synthesized according to the fixed station logo position method and the arbitrary station logo position method;
[0061] (5) Train the basic model on the Imagenet dataset;
[0062] (6) The actual collected Taiwan logo samples and artificially synthesized Taiwan logo samples are used as the final samples, and all samples are randomly divided into 4:1, which are re...
Embodiment 2
[0067] (1) Deploy the model and recognition results to the external Changhong 5508 core board;
[0068] (2) Connect the signal source to the input end of the core board, and connect the output end of the core board to the TV end;
[0069] (3) Set the recognition interval time to 5s;
[0070] (4) If the currently intercepted image is Sichuan International Channel, then the output result of the model is an 80-dimensional vector, and the program will calculate the position of the largest score in the vector. If the score is greater than 0.95, then the recognition result of the program is the station logo information represented by the maximum position, that is, the Sichuan International Channel; otherwise, it will not be output.
[0071] To sum up, the present invention realizes a high-efficiency and high-precision real-time TV station logo recognition method and system through local program collection of station logo samples, sample screening, artificial synthesis of samples, a...
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