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method of creating positive images

Hi there,

I am creating traincascade file for detecting the bird tail, after reading opencv manual, I created positive and negative images as below.

  • I generate about 4500 negatives images from a video, all images have the same size ~ 1080x1920, then I converted them 680x480 size by using image size converter.

  • I cropped the positive object manually, and I have got 1052 images that have the size 230x433, 133x522, 233x355... those sizes are quite different, then I use a converting image size to make all positive images size to be 92x112

after than I created positives.txt, negagives.txt file and vector file, then run opencv_traincascade to make training file, by now, it have taken 4 days but the traincascade is in stage 3.

Am I wrong on creating positive and negative images? is it Ok to use an image converter for image size like ALSee?

Any feedback? Thank you in advance.

Tim.

method of creating positive images

Hi there,

I am creating traincascade file for detecting the bird tail, after reading opencv manual, I created positive and negative images as below.

  • I generate about 4500 negatives images from a video, all images have the same size ~ 1080x1920, then I converted them into 680x480 size by using image size converter.

  • I cropped the positive object manually, and I have got 1052 images that have the size 230x433, 133x522, 233x355... those sizes are quite different, then I use a converting image size to make all positive images size to be 92x112

after than I created positives.txt, negagives.txt file and vector file, then run opencv_traincascade to make training file, by now, it have taken 4 days but the traincascade is in stage 3.

Am I wrong on creating positive and negative images? is it Ok to use an image converter for image size like ALSee?

Any feedback? Thank you in advance.

Tim.

method of creating positive images

Hi there,

I am creating traincascade file for detecting the bird tail, after reading opencv manual, I created positive and negative images as below.

  • I generate about 4500 negatives negative images from a video, all images have the same size ~ 1080x1920, then I converted them into 680x480 size by using image size converter.

  • I cropped the positive object manually, and I have got 1052 images that have the size 230x433, 133x522, 233x355... those sizes are quite different, then I use a converting image size to make all positive images size to be 92x112

after than that I created positives.txt, negagives.txt file and vector file, then run opencv_traincascade to make training file, by now, it have taken 4 days but the traincascade is in stage 3.

Am I wrong on creating positive and negative images? is it Ok to use an image converter for image size like ALSee?

Any feedback? Thank you in advance.

Tim.

method of creating positive images

Hi there,

I am creating traincascade file for detecting the bird tail, after reading opencv manual, I created positive and negative images as below.

  • I generate about 4500 negative images from a video, all images have the same size ~ 1080x1920, then I converted them into 680x480 size by using image size converter.

  • I cropped the positive object manually, and I have got 1052 images that have the size 230x433, 133x522, 233x355... those sizes are quite different, then I use a converting image size to make all positive images size to be 92x112

after that I created positives.txt, negagives.txt file files and vector file, then run opencv_traincascade to make training file, by now, it have taken 4 days but the traincascade is in stage 3.

Am I wrong on creating positive and negative images? is it Ok to use an image converter for image size like ALSee?

Any feedback? Thank you in advance.

Tim.

method of creating positive images

Hi there,

I am creating traincascade file for detecting the bird tail, after reading opencv manual, I created positive and negative images as below.

  • I generate about 4500 negative images from a video, all images have the same size ~ 1080x1920, then I converted them into 680x480 size by using image size converter.

  • I cropped the positive object manually, and I have got 1052 images that have the size 230x433, 133x522, 233x355... those sizes are quite different, then I use a converting image size to make all positive images size to be 92x112

after that I created positives.txt, negagives.txt files and vector file, then run opencv_traincascade to make training file, by now, it have taken 4 days but the traincascade is in stage 3.

Am I wrong on creating positive and negative images? is it Ok to use an image converter for image size like ALSee?

Any feedback? Thank you in advance.

Tim.