| ### [Model config] | |
| model_cfg: | |
| ### [Model parameters] | |
| model_name: "lcnn_simple" | |
| model_architecture: "simple" | |
| # Backbone related config | |
| backbone: "lcnn" | |
| backbone_cfg: | |
| input_channel: 1 # Use RGB images or grayscale images. | |
| depth: 4 | |
| num_stacks: 2 | |
| num_blocks: 1 | |
| num_classes: 5 | |
| # Junction decoder related config | |
| junction_decoder: "superpoint_decoder" | |
| junc_decoder_cfg: | |
| # Heatmap decoder related config | |
| heatmap_decoder: "pixel_shuffle" | |
| heatmap_decoder_cfg: | |
| # Descriptor decoder related config | |
| descriptor_decoder: "superpoint_descriptor" | |
| descriptor_decoder_cfg: | |
| # Shared configurations | |
| grid_size: 8 | |
| keep_border_valid: True | |
| # Threshold of junction detection | |
| detection_thresh: 0.0153846 # 1/65 | |
| max_num_junctions: 300 | |
| # Threshold of heatmap detection | |
| prob_thresh: 0.5 | |
| ### [Loss parameters] | |
| weighting_policy: "dynamic" | |
| # [Heatmap loss] | |
| w_heatmap: 0. | |
| w_heatmap_class: 1 | |
| heatmap_loss_func: "cross_entropy" | |
| heatmap_loss_cfg: | |
| policy: "dynamic" | |
| # [Junction loss] | |
| w_junc: 0. | |
| junction_loss_func: "superpoint" | |
| junction_loss_cfg: | |
| policy: "dynamic" | |
| # [Descriptor loss] | |
| w_desc: 0. | |
| descriptor_loss_func: "regular_sampling" | |
| descriptor_loss_cfg: | |
| dist_threshold: 8 | |
| grid_size: 4 | |
| margin: 1 | |
| policy: "dynamic" | |
| ### [Line detector config] | |
| line_detector_cfg: | |
| detect_thresh: 0.5 | |
| num_samples: 64 | |
| sampling_method: "local_max" | |
| inlier_thresh: 0.99 | |
| use_candidate_suppression: True | |
| nms_dist_tolerance: 3. | |
| use_heatmap_refinement: True | |
| heatmap_refine_cfg: | |
| mode: "local" | |
| ratio: 0.2 | |
| valid_thresh: 0.001 | |
| num_blocks: 20 | |
| overlap_ratio: 0.5 | |
| use_junction_refinement: True | |
| junction_refine_cfg: | |
| num_perturbs: 9 | |
| perturb_interval: 0.25 | |
| ### [Line matcher config] | |
| line_matcher_cfg: | |
| cross_check: True | |
| num_samples: 5 | |
| min_dist_pts: 8 | |
| top_k_candidates: 10 | |
| grid_size: 4 |