Roboflow 项目对象操作指南

在Roboflow中,要开始操作项目对象,首先需要导入Roboflow库并使用API密钥初始化一个Roboflow对象。以下是初始化步骤的代码示例:

import roboflow rf = roboflow.Roboflow(api_key="YOUR_API_KEY_HERE")

完成初始化后,可以列出工作空间中的所有项目,或者获取特定项目的信息。以下是如何列出项目和获取项目信息的代码示例:

workspace = rf.workspace() project = workspace.project("PROJECT_ID")

此外,还可以列出特定项目的各个版本,这有助于了解项目的迭代情况。以下是如何列出项目版本的代码示例:

project.versions()

通过REST API获取项目信息

除了在Python中操作外,还可以通过REST API获取项目的信息。以下是一个使用curl命令获取项目信息的示例:

curl "https://api.roboflow.com/roboflow/chess-sample-4ckfl?api_key=$ROBOFLOW_API_KEY"

这个API端点会返回一个JSON格式的响应,其中包含了工作空间和项目的各种详细信息。例如,项目ID、类型、名称、创建和更新时间、图片数量、未标注图片数量、标注信息、公开状态、数据集划分、类别统计以及版本信息等。

项目信息的JSON响应结构

当通过REST API请求项目信息时,返回的JSON响应结构可能如下所示。这个结构包含了工作空间和项目相关的详细信息,例如工作空间名称、URL、成员数量、项目ID、类型、名称、创建和更新时间、图片数量、未标注图片数量、标注信息、公开状态、数据集划分、类别统计以及版本信息等。

{ "workspace": { "name": "Roboflow", "url": "roboflow", "members": 7 }, "project": { "id": "roboflow/chess-sample-4ckfl", "type": "object-detection", "name": "Chess Sample", "created": 1630335544.592, "updated": 1630335741.988, "images": 12, "unannotated": 3, "annotation": "pieces", "public": false, "splits": { "valid": 2, "train": 9, "test": 1 }, "classes": { "white-queen": 7, "white-king": 8, "black-knight": 11, "black-pawn": 37, "black-rook": 10, "white-pawn": 34, "black-bishop": 8, "white-knight": 10, "black-queen": 4, "white-bishop": 11, "black-king": 8, "white-rook": 10 }, "versions": [ { "id": "roboflow/chess-sample-4ckfl/3", "name": "raw", "created": 1630335741.989, "images": 12, "splits": { "train": 9, "test": 1, "valid": 2 }, "preprocessing": { "auto-orient": { "enabled": true } }, "augmentation": {}, "exports": [ "coco", "voc" ] }, { "id": "roboflow/chess-sample-4ckfl/2", "name": "416x416", "created": 1630335730.142, "images": 12, "splits": { "train": 9, "test": 1, "valid": 2 }, "preprocessing": { "resize": { "enabled": true, "format": "Stretch to", "width": 416, "height": 416 }, "auto-orient": { "enabled": true } }, "augmentation": {}, "exports": [] }, { "id": "roboflow/chess-sample-4ckfl/1", "name": "augmented", "created": 1630335698.746, "images": 30, "splits": { "valid": 2, "train": 27, "test": 1 }, "model": { "id": "chess-sample-4ckfl/1", "endpoint": "https://detect.staging.roboflow.com/chess-sample-4ckfl/1", "start": 1630335799.682, "end": 1630337523.889, "fromScratch": false, "tfjs": true, "oak": true, "map": "62.87", "recall": "85.29", "precision": "23.44" }, "preprocessing": { "resize": { "enabled": true, "width": 416, "format": "Stretch to", "height": 416 }, "auto-orient": { "enabled": true }, "grayscale": { "enabled": true } }, "augmentation": { "exposure": { "percent": "25", "enabled": true }, "brightness": { "percent": "25", "enabled": true, "darken": true, "brighten": true }, "rotate": { "degrees": "5", "enabled": true }, "image": { "enabled": true, "versions": "3" }, "flip": { "enabled": true, "horizontal": true, "vertical": false }, "crop": { "min": 0, "percent": 30, "enabled": true }, "noise": { "percent": "2", "enabled": true } }, "exports": [ "yolov5pytorch" ] } ] } }

在命令行界面(CLI)获取项目信息

如果更喜欢使用命令行界面(CLI),Roboflow也提供了相应的命令来获取项目信息。以下是使用CLI获取项目信息的命令示例:

roboflow project get *project ID*
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