| 379 | typename image_array_type |
| 380 | > |
| 381 | void scan_image ( |
| 382 | std::vector<std::pair<double, point> >& dets, |
| 383 | const image_array_type& images, |
| 384 | const std::vector<std::pair<unsigned int, rectangle> >& rects, |
| 385 | const double thresh, |
| 386 | const unsigned long max_dets |
| 387 | ) |
| 388 | { |
| 389 | DLIB_ASSERT(images.size() > 0 && rects.size() > 0 && all_images_same_size(images), |
| 390 | "\t void scan_image()" |
| 391 | << "\n\t Invalid arguments given to this function." |
| 392 | << "\n\t images.size(): " << images.size() |
| 393 | << "\n\t rects.size(): " << rects.size() |
| 394 | << "\n\t all_images_same_size(images): " << all_images_same_size(images) |
| 395 | ); |
| 396 | #ifdef ENABLE_ASSERTS |
| 397 | for (unsigned long i = 0; i < rects.size(); ++i) |
| 398 | { |
| 399 | DLIB_ASSERT(rects[i].first < images.size(), |
| 400 | "\t void scan_image()" |
| 401 | << "\n\t rects["<<i<<"].first must refer to a valid image." |
| 402 | << "\n\t rects["<<i<<"].first: " << rects[i].first |
| 403 | << "\n\t images.size(): " << images.size() |
| 404 | ); |
| 405 | } |
| 406 | #endif |
| 407 | |
| 408 | |
| 409 | |
| 410 | |
| 411 | typedef typename image_traits<typename image_array_type::type>::pixel_type pixel_type; |
| 412 | typedef typename promote<pixel_type>::type ptype; |
| 413 | |
| 414 | array2d<ptype> accum(images[0].nr(), images[0].nc()); |
| 415 | assign_all_pixels(accum, 0); |
| 416 | |
| 417 | for (unsigned long i = 0; i < rects.size(); ++i) |
| 418 | sum_filter(images[rects[i].first], accum, rects[i].second); |
| 419 | |
| 420 | find_points_above_thresh(dets, accum, thresh, max_dets); |
| 421 | } |
| 422 | |
| 423 | // ---------------------------------------------------------------------------------------- |
| 424 | |