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def get_aligned_ids_nocs(masks, output_indices, class_ids, class_ids_predicted, scores, scores_predicted, depth): | |
mask_out = [] | |
for p in range(masks.shape[-1]): | |
mask = np.logical_and(masks[:, :, p], depth > 0) | |
mask_out.append(mask) | |
mask_out = np.array(mask_out) | |
index_centers = [] | |
for m in range(mask_out.shape[0]): | |
pos = np.where(mask_out[m,:,:]) | |
center_x = np.average(pos[0]) | |
center_y = np.average(pos[1]) | |
index_centers.append([center_x, center_y]) | |
new_masks = [] | |
new_ids = [] | |
new_scores = [] | |
index_centers = np.array(index_centers) | |
if np.any(np.isnan(index_centers)): | |
index_centers = index_centers[~np.any(np.isnan(index_centers), axis=1)] | |
mask_out = np.array(mask_out) | |
for l in range(len(output_indices)): | |
point = output_indices[l] | |
if len(output_indices) == 0: | |
continue | |
distances = np.linalg.norm(index_centers-point, axis=1) | |
min_index = np.argmin(distances) | |
if distances[min_index]<28: | |
new_masks.append(mask_out[min_index, :,:]) | |
new_ids.append(class_ids[min_index]) | |
new_scores.append(scores[min_index]) | |
else: | |
new_masks.append(None) | |
new_ids.append(class_ids_predicted[l]) | |
new_scores.append(scores_predicted[l]) | |
masks = np.array(new_masks) | |
class_ids = np.array(new_ids) | |
scores = np.array(new_scores) | |
return masks, class_ids, scores | |
def get_ids_from_seg(seg_output, output_indices): | |
category_seg_output = np.ascontiguousarray(seg_output.seg_pred.cpu().numpy()) | |
category_seg_output = np.argmax(category_seg_output[0], axis=0) | |
class_ids_predicted = [] | |
for k in range(len(output_indices)): | |
center = output_indices[k] | |
class_ids_predicted.append(category_seg_output[center[0], center[1]]) | |
return class_ids_predicted | |
#Usage: | |
class_ids = np.array(mrcnn_result['class_ids']) | |
#We use this incase our model predicts an erroneous center and mask rcnn has no class id for it so our model is penalized for a wrong detection here. | |
class_ids_predicted = get_ids_from_seg(seg_output, output_indices) | |
scores = np.array(mrcnn_result['scores']) | |
# scores_out is scores from compute_pointclouds_and_poses | |
depth = np.array(depth, dtype=np.float32)*255.0 | |
masks, class_ids, scores = get_aligned_masks_nocs(mrcnn_result['masks'], output_indices, class_ids, class_ids_predicted, scores, scores_out, depth) | |
result['pred_class_ids'] = class_ids |
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