init

lib/models/segmentors/__init__.py

@@ -0,0 +1,4 @@
+# Copyright (c) Ant Financial Service Group and its affiliates.
+from .skysense_pp_pipeline import SkySensePP
+
+__all__ = ['SkySensePP']

lib/models/segmentors/skysense_pp_pipeline.py

@@ -0,0 +1,458 @@
+# coding: utf-8
+# Copyright (c) Ant Group. All rights reserved.
+import torch
+import torch.nn as nn
+from torch import optim
+import torch.nn.functional as F
+
+import math
+import random
+from antmmf.common.registry import registry
+from antmmf.models.base_model import BaseModel
+from lib.models.backbones import build_backbone
+from lib.models.necks import build_neck
+from lib.models.heads import build_head
+from lib.utils.utils import LayerDecayValueAssigner
+
+
+@registry.register_model("SkySensePP")
+class SkySensePP(BaseModel):
+    def __init__(self, config):
+        super().__init__(config)
+        self.config = config
+        self.sources = config.sources
+        assert len(self.sources) > 0, 'at least one data source is required'
+        if 's2' in self.sources:
+            self.use_ctpe = config.use_ctpe
+        self.use_modal_vae = config.use_modal_vae
+        self.use_cls_token_uper_head = config.use_cls_token_uper_head
+        self.target_mean=[0.485, 0.456, 0.406]
+        self.target_std=[0.229, 0.224, 0.225]
+        self.vocabulary_size = config.vocabulary_size
+        self.vocabulary = list(range(1, config.vocabulary_size + 1)) # 0 for ignore
+        
+
+    def build(self):
+        if 'hr' in self.sources:
+            self.backbone_hr = self._build_backbone('hr')
+        if 's2' in self.sources:
+            self.backbone_s2 = self._build_backbone('s2')
+            if self.use_ctpe:
+                self.ctpe = nn.Parameter(
+                    torch.zeros(1, self.config.calendar_time,
+                                self.config.necks.input_dims))
+            if 'head_s2' in self.config.keys():
+                self.head_s2 = self._build_head('head_s2')
+            self.fusion = self._build_neck('necks')
+        if 's1' in self.sources:
+            self.backbone_s1 = self._build_backbone('s1')
+            if 'head_s1' in self.config.keys():
+                self.head_s1 = self._build_head('head_s1')
+        self.head_rec_hr = self._build_head('rec_head_hr')
+
+        self.with_aux_head = False
+        
+        if self.use_modal_vae:
+            self.modality_vae = self._build_neck('modality_vae')
+        if 'auxiliary_head' in self.config.keys():
+            self.with_aux_head = True
+            self.aux_head = self._build_head('auxiliary_head')
+        if 'init_cfg' in self.config.keys(
+        ) and self.config.init_cfg is not None and self.config.init_cfg.checkpoint is not None and self.config.init_cfg.key is not None:
+            self.load_pretrained(self.config.init_cfg.checkpoint,
+                                 self.config.init_cfg.key)
+
+    def _build_backbone(self, key):
+        config_dict = self.config[f'backbone_{key}'].to_dict()
+        backbone_type = config_dict.pop('type')
+        backbone = build_backbone(backbone_type, **config_dict)
+        backbone.init_weights()
+        return backbone
+
+    def _build_neck(self, key):
+        config_dict = self.config[key].to_dict()
+        neck_type = config_dict.pop('type')
+        neck = build_neck(neck_type, **config_dict)
+        neck.init_weights()
+        return neck
+
+    def _build_head(self, key):
+        head_config = self.config[key].to_dict()
+        head_type = head_config.pop('type')
+        head = build_head(head_type, **head_config)
+        return head
+
+    def get_optimizer_parameters(self, config):
+        optimizer_grouped_parameters = [
+            {
+                "params": [],
+                "lr": config.optimizer_attributes.params.lr,
+                "weight_decay": config.optimizer_attributes.params.weight_decay,
+            },
+            {
+                "params": [],
+                "lr": config.optimizer_attributes.params.lr,
+                "weight_decay": 0.0,
+            },
+        ]
+        layer_decay_value_assigner_hr = LayerDecayValueAssigner(
+            config.lr_parameters.layer_decay, None,
+            config.optimizer_attributes.params.lr, 'swin', 
+            config.model_attributes.SkySensePP.backbone_hr.arch
+        )
+        layer_decay_value_assigner_s2 = LayerDecayValueAssigner(
+            config.lr_parameters.layer_decay, 24,
+            config.optimizer_attributes.params.lr, 'vit', 
+        )
+        layer_decay_value_assigner_s1 = LayerDecayValueAssigner(
+            config.lr_parameters.layer_decay, 24,
+            config.optimizer_attributes.params.lr, 'vit', 
+        )
+        layer_decay_value_assigner_fusion = LayerDecayValueAssigner(
+            config.lr_parameters.layer_decay, 24,
+            config.optimizer_attributes.params.lr, 'vit', 
+        )
+        num_frozen_params = 0
+        if 'hr' in self.sources:
+            print('hr'.center(60, '-'))
+            num_frozen_params += layer_decay_value_assigner_hr.fix_param(
+                self.backbone_hr, 
+                config.lr_parameters.frozen_blocks,
+            )
+            optimizer_grouped_parameters.extend(
+                layer_decay_value_assigner_hr.get_parameter_groups(
+                    self.backbone_hr, config.optimizer_attributes.params.weight_decay
+                )
+            )
+        if 's2' in self.sources:
+            print('s2'.center(60, '-'))
+            num_frozen_params += layer_decay_value_assigner_s2.fix_param(
+                self.backbone_s2, 
+                config.lr_parameters.frozen_blocks,
+            )
+            optimizer_grouped_parameters.extend(
+                layer_decay_value_assigner_s2.get_parameter_groups(
+                    self.backbone_s2, config.optimizer_attributes.params.weight_decay
+                )
+            )
+            no_decay = [".bn.", "bias"]
+            optimizer_grouped_parameters[0]["params"] += [
+                p for n, p in self.head_s2.named_parameters()
+                if not any(nd in n for nd in no_decay)
+            ]
+            optimizer_grouped_parameters[1]["params"] += [
+                p for n, p in self.head_s2.named_parameters()
+                if any(nd in n for nd in no_decay)
+            ]
+            if self.use_ctpe:
+                optimizer_grouped_parameters[1]["params"] += [self.ctpe]
+
+        if 's1' in self.sources:
+            print('s1'.center(60, '-'))
+            num_frozen_params += layer_decay_value_assigner_s1.fix_param(
+                self.backbone_s1, 
+                config.lr_parameters.frozen_blocks,
+            )
+            optimizer_grouped_parameters.extend(
+                layer_decay_value_assigner_s1.get_parameter_groups(
+                    self.backbone_s1, config.optimizer_attributes.params.weight_decay
+                )
+            )
+            no_decay = [".bn.", "bias"]
+            optimizer_grouped_parameters[0]["params"] += [
+                p for n, p in self.head_s1.named_parameters()
+                if not any(nd in n for nd in no_decay)
+            ]
+            optimizer_grouped_parameters[1]["params"] += [
+                p for n, p in self.head_s1.named_parameters()
+                if any(nd in n for nd in no_decay)
+            ]
+
+        if len(self.sources) > 1:
+            print('fusion'.center(60, '-'))
+            num_frozen_params += layer_decay_value_assigner_fusion.fix_param_deeper(
+                self.fusion, 
+                config.lr_parameters.frozen_fusion_blocks_start, # 冻结后面所有的stage
+            )
+            optimizer_grouped_parameters.extend(
+                layer_decay_value_assigner_fusion.get_parameter_groups(
+                    self.fusion, config.optimizer_attributes.params.weight_decay
+                )
+            )
+
+        if self.use_modal_vae:
+            no_decay = [".bn.", "bias"]
+            optimizer_grouped_parameters[0]["params"] += [
+                p for n, p in self.modality_vae.named_parameters()
+                if not any(nd in n for nd in no_decay)
+            ]
+            optimizer_grouped_parameters[1]["params"] += [
+                p for n, p in self.modality_vae.named_parameters()
+                if any(nd in n for nd in no_decay)
+            ]
+
+        no_decay = [".bn.", "bias"]
+        optimizer_grouped_parameters[0]["params"] += [
+            p for n, p in self.head_rec_hr.named_parameters()
+            if not any(nd in n for nd in no_decay)
+        ]
+        optimizer_grouped_parameters[1]["params"] += [
+            p for n, p in self.head_rec_hr.named_parameters()
+            if any(nd in n for nd in no_decay)
+        ]
+
+        if self.with_aux_head:
+            no_decay = [".bn.", "bias"]
+            optimizer_grouped_parameters[0]["params"] += [
+                p for n, p in self.aux_head.named_parameters()
+                if not any(nd in n for nd in no_decay)
+            ]
+            optimizer_grouped_parameters[1]["params"] += [
+                p for n, p in self.aux_head.named_parameters()
+                if any(nd in n for nd in no_decay)
+            ]
+        num_params = [len(x['params']) for x in optimizer_grouped_parameters]
+        print(len(list(self.parameters())), sum(num_params), num_frozen_params)
+        assert len(list(self.parameters())) == sum(num_params) + num_frozen_params 
+        return optimizer_grouped_parameters
+
+    def get_custom_scheduler(self, trainer):
+        optimizer = trainer.optimizer
+        num_training_steps = trainer.config.training_parameters.max_iterations
+        num_warmup_steps = trainer.config.training_parameters.num_warmup_steps
+
+        if "train" in trainer.run_type:
+            if num_training_steps == math.inf:
+                epoches = trainer.config.training_parameters.max_epochs
+                assert epoches != math.inf
+                num_training_steps = trainer.config.training_parameters.max_epochs * trainer.epoch_iterations
+
+            def linear_with_wram_up(current_step):
+                if current_step < num_warmup_steps:
+                    return float(current_step) / float(max(
+                        1, num_warmup_steps))
+                return max(
+                    0.0,
+                    float(num_training_steps - current_step) /
+                    float(max(1, num_training_steps - num_warmup_steps)),
+                )
+
+            def cos_with_wram_up(current_step):
+                num_cycles = 0.5
+                if current_step < num_warmup_steps:
+                    return float(current_step) / float(max(
+                        1, num_warmup_steps))
+                progress = float(current_step - num_warmup_steps) / float(
+                    max(1, num_training_steps - num_warmup_steps))
+                return max(
+                    0.0,
+                    0.5 *
+                    (1.0 +
+                     math.cos(math.pi * float(num_cycles) * 2.0 * progress)),
+                )
+
+            lr_lambda = cos_with_wram_up if trainer.config.training_parameters.cos_lr else linear_with_wram_up
+
+        else:
+            def lr_lambda(current_step):
+                return 0.0  # noqa
+
+        return optim.lr_scheduler.LambdaLR(optimizer, lr_lambda, -1)
+
+    def convert_target(self, target):
+        mean = target.new_tensor(self.target_mean).reshape(1, 3, 1, 1)
+        std = target.new_tensor(self.target_std).reshape(1, 3, 1, 1)
+        target = ((target * std + mean)*255).to(torch.long)
+        target[:, 0] = target[:, 0] * 256 * 256
+        target[:, 1] = target[:, 1] * 256
+        target = target.sum(1).type(torch.long)
+        unique_target = target.unique()
+        target_index = torch.searchsorted(unique_target, target)
+        no_bg = False
+        if unique_target[0].item() > 0:
+            target_index += 1
+            no_bg = True
+        target_index_unique = target_index.unique().tolist()
+        random.shuffle(self.vocabulary)
+        value = target.new_tensor([0] + self.vocabulary)
+        mapped_target = target_index.clone()
+        idx_2_color = {}
+        for v in target_index_unique:
+            mapped_target[target_index == v] = value[v]
+            idx_2_color[value[v].item()] = unique_target[v - 1 if no_bg else v].item()
+        return mapped_target, idx_2_color
+
+    def forward(self, sample_list):
+        output = dict()
+        modality_flag_hr = sample_list["modality_flag_hr"]
+        modality_flag_s2 = sample_list["modality_flag_s2"]
+        modality_flag_s1 = sample_list["modality_flag_s1"]
+        modalities = [modality_flag_hr, modality_flag_s2, modality_flag_s1]
+        modalities = torch.tensor(modalities).permute(1,0).contiguous() # L, B => B, L
+
+        anno_img = sample_list["targets"]
+        anno_img, idx_2_color = self.convert_target(anno_img)
+        output["mapped_targets"] = anno_img
+        output["idx_2_color"] = idx_2_color
+        anno_mask = sample_list["anno_mask"]
+        anno_s2 = anno_img[:, 15::32, 15::32]
+        anno_s1 = anno_s2
+
+        output["anno_hr"] = anno_img
+        output["anno_s2"] = anno_s2
+        
+        ### 1. backbone
+        if 'hr' in self.sources:
+            hr_img = sample_list["hr_img"]
+            B_MASK, H_MASK, W_MASK = anno_mask.shape
+            block_size = 32
+            anno_mask_hr = anno_mask.unsqueeze(-1).unsqueeze(-1).repeat(1, 1, 1, block_size, block_size)
+            anno_mask_hr = anno_mask_hr.permute(0, 1, 3, 2, 4).reshape(B_MASK, H_MASK*block_size, W_MASK*block_size).contiguous()
+            B, C_G, H_G, W_G = hr_img.shape
+            hr_features = self.backbone_hr(hr_img, anno_img, anno_mask_hr)
+            output['mask_hr'] = anno_mask_hr
+            output['target_hr'] = anno_img
+            
+        if 's2' in self.sources:
+            s2_img = sample_list["s2_img"]
+            B, C_S2, S_S2, H_S2, W_S2 = s2_img.shape
+            s2_img = s2_img.permute(0, 2, 1, 3,
+                                    4).reshape(B * S_S2, C_S2, H_S2, W_S2).contiguous() # ts time to batch
+            anno_mask_s2 = anno_mask
+            s2_features = self.backbone_s2(s2_img, anno_s2, anno_mask_s2)
+            if 'head_s2' in self.config.keys():
+                s2_features = self.head_s2(s2_features[-1])
+                s2_features = [s2_features]
+
+        if 's1' in self.sources:
+            s1_img = sample_list["s1_img"]
+            B, C_S1, S_S1, H_S1, W_S1 = s1_img.shape
+            s1_img = s1_img.permute(0, 2, 1, 3,
+                                    4).reshape(B * S_S1, C_S1, H_S1, W_S1).contiguous()
+    
+            anno_mask_s1 = anno_mask
+            s1_features = self.backbone_s1(s1_img, anno_s1, anno_mask_s1)
+            if 'head_s1' in self.config.keys():
+                s1_features = self.head_s1(s1_features[-1])
+                s1_features = [s1_features]
+
+        ### 2. prepare features for fusion
+        hr_features_stage3 = hr_features[-1]
+        s2_features_stage3 = s2_features[-1]
+        s1_features_stage3 = s1_features[-1]
+        modalities = modalities.to(hr_features_stage3.device)
+        if self.use_modal_vae:
+            vae_out = self.modality_vae(hr_features_stage3, s2_features_stage3, s1_features_stage3, modalities)
+            hr_features_stage3 = vae_out['hr_out']
+            s2_features_stage3 = vae_out['s2_out']
+            s1_features_stage3 = vae_out['s1_out']
+            output['vae_out'] = vae_out
+        
+        features_stage3 = []
+        if 'hr' in self.sources:
+            B, C3_G, H3_G, W3_G = hr_features_stage3.shape
+            hr_features_stage3 = hr_features_stage3.permute(
+                0, 2, 3, 1).reshape(B * H3_G * W3_G, C3_G).unsqueeze(1).contiguous() # B * H3_G * W3_G, 1, C3_G
+            features_stage3 = hr_features_stage3
+
+        if 's2' in self.sources:
+            # s2_features_stage3 = s2_features[-1]
+            _, C3_S2, H3_S2, W3_S2 = s2_features_stage3.shape
+            s2_features_stage3 = s2_features_stage3.reshape(
+                B, S_S2, C3_S2, H3_S2,
+                W3_S2).permute(0, 3, 4, 1, 2).reshape(B, H3_S2 * W3_S2, S_S2,
+                                                    C3_S2).contiguous()
+            if self.use_ctpe:
+                ct_index = sample_list["s2_ct"]
+                ctpe = self.ctpe[:, ct_index, :].contiguous().permute(1, 0, 2, 3).contiguous()
+                ctpe = ctpe.expand(-1, 256, -1, -1)
+
+                ct_index_2 = sample_list["s2_ct2"]
+                ctpe2 = self.ctpe[:, ct_index_2, :].contiguous().permute(1, 0, 2, 3).contiguous()
+                ctpe2 = ctpe2.expand(-1, 256, -1, -1)
+
+                ctpe_comb = torch.cat([ctpe, ctpe2], 1)
+                # import pdb;pdb.set_trace()
+                s2_features_stage3 = (s2_features_stage3 + ctpe_comb).reshape(
+                    B * H3_S2 * W3_S2, S_S2, C3_S2).contiguous()
+            else:
+                s2_features_stage3 = s2_features_stage3.reshape(
+                    B * H3_S2 * W3_S2, S_S2, C3_S2).contiguous()
+            
+            if len(features_stage3) > 0:
+                assert H3_G == H3_S2 and W3_G == W3_S2 and C3_G == C3_S2
+                features_stage3 = torch.cat((features_stage3, s2_features_stage3), dim=1)
+            else:
+                features_stage3 = s2_features_stage3
+
+        if 's1' in self.sources:
+            # s1_features_stage3 = s1_features[-1]
+            _, C3_S1, H3_S1, W3_S1 = s1_features_stage3.shape
+            s1_features_stage3 = s1_features_stage3.reshape(
+                B, S_S1, C3_S1, H3_S1,
+                W3_S1).permute(0, 3, 4, 1, 2).reshape(B, H3_S1 * W3_S1, S_S1,
+                                                    C3_S1).contiguous()
+            s1_features_stage3 = s1_features_stage3.reshape(
+                    B * H3_S1 * W3_S1, S_S1, C3_S1).contiguous()
+           
+            if len(features_stage3) > 0:
+                assert H3_S1 == H3_S2 and W3_S1 == W3_S2 and C3_S1 == C3_S2
+                features_stage3 = torch.cat((features_stage3, s1_features_stage3),
+                                            dim=1)
+            else:
+                features_stage3 = s1_features_stage3
+
+        ### 3. fusion
+        if self.config.necks.output_cls_token:
+            if self.config.necks.get('require_feat', False):
+                cls_token, block_outs = self.fusion(features_stage3 , True)
+            else:
+                cls_token = self.fusion(features_stage3)
+                _, C3_G = cls_token.shape
+                cls_token = cls_token.reshape(B, H3_G, W3_G,
+                                            C3_G).contiguous().permute(0, 3, 1, 2).contiguous() # b, c, h, w
+        else:
+            assert self.config.necks.with_cls_token is False
+            if self.config.necks.get('require_feat', False):
+                features_stage3, block_outs = self.fusion(features_stage3, True)
+            else:
+                features_stage3 = self.fusion(features_stage3)
+            features_stage3 = features_stage3.reshape(
+                B, H3_S2, W3_S2, S_S2,
+                C3_S2).permute(0, 3, 4, 1, 2).reshape(B * S_S2, C3_S2, H3_S2,
+                                                   W3_S2).contiguous()
+        ### 4. decoder for rec
+        hr_rec_inputs = hr_features
+        feat_stage1 = hr_rec_inputs[0]
+
+        if feat_stage1.shape[-1] == feat_stage1.shape[-2]:
+            feat_stage1_left, feat_stage1_right = torch.split(feat_stage1, feat_stage1.shape[-1] // 2, dim=-1)
+            feat_stage1 = torch.cat((feat_stage1_left, feat_stage1_right), dim=1)
+            hr_rec_inputs = list(hr_features)
+            hr_rec_inputs[0] = feat_stage1
+
+        rec_feats = [*hr_rec_inputs, cls_token]
+        logits_hr = self.head_rec_hr(rec_feats)
+        if self.config.get('upsacle_results', True):
+            logits_hr = logits_hr.to(torch.float32)
+            logits_hr = F.interpolate(logits_hr, scale_factor=4, mode='bilinear', align_corners=True)
+        output["logits_hr"] = logits_hr
+        return output
+
+    def load_pretrained(self, ckpt_path, key):
+        pretrained_dict = torch.load(ckpt_path, map_location={'cuda:0': 'cpu'})
+        pretrained_dict = pretrained_dict[key]
+        for k, v in pretrained_dict.items():
+            if k == 'backbone_s2.patch_embed.projection.weight':
+                pretrained_in_channels = v.shape[1]
+                if self.config.backbone_s2.in_channels == 4:
+                    new_weight = v[:, [0, 1, 2, 6]]
+                    new_weight = new_weight * (
+                        pretrained_in_channels /
+                        self.config.backbone_s2.in_channels)
+                    pretrained_dict[k] = new_weight
+        missing_keys, unexpected_keys = self.load_state_dict(pretrained_dict,
+                                                             strict=False)
+        print('missing_keys:', missing_keys)
+        print('unexpected_keys:', unexpected_keys)
+