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RSS订阅原创 identityserver4+aspnet core Identity+role实战总结
参考IdentityServer4实战 - 基于角色的权限控制及Claim详解博主解决了基于TestUser的role claim issue问题，但由于我使用了Aspnet core的Identity，发现按照晓晨Master的做法没能实现在WebAPI端的Role验证功能[Authorize(Roles = "Master")]public class IdentityCont...
2018-06-12 13:06:31
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原创 数据库数据初始化迁移
迁移基本步骤参考dotnet ef migrations add {migration name} -p {dbcontext project} -s {host startup project} 这里的migration name，我以AddData为例：发现Migrations文件夹下多了两个文件20180610024345_AddData.cs和20180610024345_AddD...
2018-06-10 17:15:26
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原创 ef core(code first) 通用性迁移步骤
创建Models类创建DbContext派生类添加Provider的nuget包，这里以mysql为例： Pomelo.EntityFrameworkCore.MySqlPomelo.EntityFrameworkCore.MySql.Design在dbcontext的OnConfiguring重写方法中添加 if (!optionsBuilder.IsConfigured) ...
2018-06-10 17:14:17
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原创 Role验证原理
AuthorizationPolicy类有三个静态函数： static AuthorizationPolicy Combine(params AuthorizationPolicy[] policies)static AuthorizationPolicy Combine(IEnumerable<AuthorizationPolicy> policies)static asyn...
2018-06-10 17:13:23
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原创 初窥Tensorflow Object Detection API 源码之（2.1.2）FasterRCNNMetaArch._predict_second_stage
_postprocess_rpnsoftmax处理non_max_suppression处理输出有效boxs绝对值坐标scoresstop_gradientself_format_groundtruth_dataself_unpad_proposals_and_sample_box_classifier_batchto_normalized_coordinatesself_c...
2018-02-26 18:37:18
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原创 初窥Tensorflow Object Detection API 源码之（2.4）BoxPredictor
class BoxPredictorobjectclass ConvolutionalBoxPredictorBoxPredictor_predict双路convreshape models/research/object_detection/core/box_predictor.pyclass BoxPredictor(object):...
2018-02-23 17:53:59
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原创 初窥Tensorflow Object Detection API 源码之（2.6）matcher
models/research/object_detection/core/matcher.py models/research/object_detection/matchers/argmax_matcher.py models/research/object_detection/matchers/bipartite_matcher.py其核心为match函数，主...
2018-02-23 17:32:08
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原创 初窥Tensorflow Object Detection API 源码之（2.5）target_assigner
create_target_assignerclass TargetAssignerobjectassgin函数assertsimilarity_calcargmax_matcher models/research/object_detection/core/target_assigner.py1.create_target_assigner作用是...
2018-02-23 17:29:33
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原创 初窥Tensorflow Object Detection API 源码之（2.3）box
FasterRcnnBoxCoderinitcode_size_encode_decode在FasterRCNNMetaArch的init里有对box_coder的初始化，相关代码如下：self._proposal_target_assigner = target_assigner.create_target_assigner( 'FasterR...
2018-02-23 17:27:26
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原创 初窥Tensorflow Object Detection API 源码之（2.2）grid_anchor
GridAnchorGenerator_generate这篇介绍不打算细讲，只描述基本结构的理解 models/research/object_detection/builders/anchor_generator_builder.pyGridAnchorGeneratorreturn grid_anchor_generator.GridAnchor...
2018-02-23 16:49:42
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原创 初窥Tensorflow Object Detection API 源码之（2.1.1）FasterRCNNMetaArch.predict
_extract_rpn_feature_maps取block3的输出新增卷积层anchors_predict_rpn_proposalsself_first_stage_box_predictorpredictself_first_stage_box_predictorclip_window判断是否在训练_remove_invalid_anchors_and_p...
2018-02-23 16:32:48
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原创 初窥Tensorflow Object Detection API 源码之（2.1）FasterRCNNMetaArch
class FasterRCNNMetaArchmodelDetectionModelinitpreprocessimage_resizer调用FeatureExtractor的preprocess处理resized_inputspredict未完待续DetectionModel关于FasterRCNN的派生类 object_detection/meta...
2018-02-23 15:59:06
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原创 初窥Tensorflow Object Detection API 源码之（2）Meta Architecture(Detection Model)
initnum_classespreprocesspredictpostprocesslossprovide_groundtruth先看model.DetectionModel抽象类 models/research/object_detection/core/model.pyAbstractly, detection models predict o...
2018-02-23 14:49:22
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原创 初窥Tensorflow Object Detection API 源码之（1.2）FeatureExtractor.Config
typebatch_norm_trainablefirst_stage_features_stridemessage FasterRcnnFeatureExtractor { // Type of Faster R-CNN model (e.g., 'faster_rcnn_resnet101'; // See builders/model_builder.py fo...
2018-02-13 14:58:35
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原创 初窥Tensorflow Object Detection API 源码之（1.1） Resnet
Overviewresnet_v1resnet_utilsstack_blocks_densebottleneckresnet_utilsBlockresnet_v1_50resnet_v1_101大名鼎鼎的Resnet众所周知，其结构我也不想太多论述，详见论文 Kaiming He, Xiangyu Zhang, Shaoqing Ren, Jian Sun...
2018-02-13 14:31:27
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原创 初窥Tensorflow Object Detection API 源码之(1) FeatureExtractor
class FasterRCNNResnetV1FeatureExtractorinitpreprocessextract_proposal_features_extract_proposal_featuresclass FasterRCNNResnetV1FeatureExtractor faster_rcnn_meta_archFasterRCNNFeatureExtr...
2018-02-13 13:59:32
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原创 初窥Tensorflow Object Detection API 源码
介绍分析源码的原因分析背景总结介绍 Creating accurate machine learning models capable of localizing and identifying multiple objects in a single image remains a core challenge in computer vision. The Te...
2018-02-13 13:09:35
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1
数控算法 直线插补和圆弧插补 比较积分法和DDA法
2012-03-19
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