implicitron v0 (#1133)

Co-authored-by: Jeremy Francis Reizenstein <bottler@users.noreply.github.com>

projects/implicitron_trainer/configs/repro_singleseq_srn.yaml

@@ -0,0 +1,28 @@
+defaults:
+- repro_singleseq_base.yaml
+- _self_
+generic_model_args:
+  num_passes: 1
+  chunk_size_grid: 32000
+  view_pool: false
+  loss_weights:
+    loss_rgb_mse: 200.0
+    loss_prev_stage_rgb_mse: 0.0
+    loss_mask_bce: 1.0
+    loss_prev_stage_mask_bce: 0.0
+    loss_autodecoder_norm: 0.0
+    depth_neg_penalty: 10000.0
+  raysampler_args:
+    n_rays_per_image_sampled_from_mask: 2048
+    min_depth: 0.05
+    max_depth: 0.05
+    scene_extent: 0.0
+    n_pts_per_ray_training: 1
+    n_pts_per_ray_evaluation: 1
+    stratified_point_sampling_training: false
+    stratified_point_sampling_evaluation: false
+  renderer_class_type: LSTMRenderer
+  implicit_function_class_type: SRNImplicitFunction
+solver_args:
+  breed: adam
+  lr: 5.0e-05