| | |
| | | } |
| | | } |
| | | } |
| | | #endif |
| | | |
| | | IplImage* draw_train_chart(float max_img_loss, int max_batches, int number_of_lines, int img_size) |
| | | { |
| | | int img_offset = 50; |
| | | int draw_size = img_size - img_offset; |
| | | IplImage* img = cvCreateImage(cvSize(img_size, img_size), 8, 3); |
| | | cvSet(img, CV_RGB(255, 255, 255), 0); |
| | | CvPoint pt1, pt2, pt_text; |
| | | pt1.x = img_offset; pt2.x = img_size, pt_text.x = 10; |
| | | CvFont font; |
| | | cvInitFont(&font, CV_FONT_HERSHEY_COMPLEX_SMALL, 0.7, 0.7, 0, 1, CV_AA); |
| | | char char_buff[100]; |
| | | int i; |
| | | for (i = 1; i <= number_of_lines; ++i) { |
| | | pt1.y = pt2.y = (float)i * draw_size / number_of_lines; |
| | | cvLine(img, pt1, pt2, CV_RGB(224, 224, 224), 1, 8, 0); |
| | | if (i % 10 == 0) { |
| | | sprintf(char_buff, "%2.1f", max_img_loss*(number_of_lines - i) / number_of_lines); |
| | | pt_text.y = pt1.y + 5; |
| | | cvPutText(img, char_buff, pt_text, &font, CV_RGB(0, 0, 0)); |
| | | cvLine(img, pt1, pt2, CV_RGB(128, 128, 128), 1, 8, 0); |
| | | } |
| | | } |
| | | pt1.y = draw_size; pt2.y = 0, pt_text.y = draw_size + 15; |
| | | for (i = 0; i <= number_of_lines; ++i) { |
| | | pt1.x = pt2.x = img_offset + (float)i * draw_size / number_of_lines; |
| | | cvLine(img, pt1, pt2, CV_RGB(224, 224, 224), 1, 8, 0); |
| | | if (i % 10 == 0) { |
| | | sprintf(char_buff, "%d", max_batches * i / number_of_lines); |
| | | pt_text.x = pt1.x - 20; |
| | | cvPutText(img, char_buff, pt_text, &font, CV_RGB(0, 0, 0)); |
| | | cvLine(img, pt1, pt2, CV_RGB(128, 128, 128), 1, 8, 0); |
| | | } |
| | | } |
| | | cvPutText(img, "Iteration number", cvPoint(draw_size / 2, img_size - 10), &font, CV_RGB(0, 0, 0)); |
| | | cvPutText(img, "Press 's' to save: chart.jpg", cvPoint(5, img_size - 10), &font, CV_RGB(0, 0, 0)); |
| | | cvNamedWindow("average loss", CV_WINDOW_NORMAL); |
| | | cvMoveWindow("average loss", 0, 0); |
| | | cvResizeWindow("average loss", img_size, img_size); |
| | | cvShowImage("average loss", img); |
| | | cvWaitKey(20); |
| | | return img; |
| | | } |
| | | |
| | | void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_loss, int current_batch, int max_batches) |
| | | { |
| | | int img_offset = 50; |
| | | int draw_size = img_size - img_offset; |
| | | CvFont font; |
| | | cvInitFont(&font, CV_FONT_HERSHEY_COMPLEX_SMALL, 0.7, 0.7, 0, 1, CV_AA); |
| | | char char_buff[100]; |
| | | CvPoint pt1, pt2; |
| | | pt1.x = img_offset + draw_size * (float)current_batch / max_batches; |
| | | pt1.y = draw_size * (1 - avg_loss / max_img_loss); |
| | | if (pt1.y < 0) pt1.y = 1; |
| | | cvCircle(img, pt1, 1, CV_RGB(0, 0, 255), CV_FILLED, 8, 0); |
| | | |
| | | sprintf(char_buff, "current avg loss = %2.4f", avg_loss); |
| | | pt1.x = img_size / 2, pt1.y = 30; |
| | | pt2.x = pt1.x + 250, pt2.y = pt1.y + 20; |
| | | cvRectangle(img, pt1, pt2, CV_RGB(255, 255, 255), CV_FILLED, 8, 0); |
| | | pt1.y += 15; |
| | | cvPutText(img, char_buff, pt1, &font, CV_RGB(0, 0, 0)); |
| | | cvShowImage("average loss", img); |
| | | int k = cvWaitKey(20); |
| | | if (k == 's') cvSaveImage("chart.jpg", img, 0); |
| | | } |
| | | #endif // OPENCV |
| | | |
| | | void transpose_image(image im) |
| | | { |