想问一下版面分析这块res文本中json各字段含义？有文档指引下吗？

[PureWaterCatt]

比如bbox是坐标怎么看，文本坐标的顺序等

{"type": "text", "bbox": [148, 476, 1046, 900], "res": [{"text": "\u516c\u53f8\u5404\u90e8\u95e8\uff1a", "confidence": 0.9928134083747864, "text_region": [[152.0, 480.0], [316.0, 480.0], [316.0, 508.0], [152.0, 508.0]]}, {"text": "\u4e3a\u5458\u5de5\u62a5\u9500\u65e5\u5e38\u8d39\u7528\u63d0\u4f9b\u6307\u5f15\uff0c\u660e\u786e\u5404\u7ea7\u5458\u5de5\u7684\u8d39\u7528\u5355\u636e\u5ba1", "confidence": 0.996300458908081, "text_region": [[216.0, 536.0], [1040.0, 536.0], [1040.0, 561.0], [216.0, 561.0]]}, {"text": "\u6279\u6743\u9650\u548c\u6d41\u7a0b\uff0c\u52a0\u5f3a\u5404\u9879\u8d39\u7528\u5f00\u652f\u7ba1\u7406\uff0c\u843d\u5b9e\u8d39\u7528\u63a7\u5236\u76ee\u6807\u53ca\u8d23", "confidence": 0.9937787652015686, "text_region": [[153.0, 593.0], [1040.0, 592.0], [1040.0, 617.0], [153.0, 618.0]]}, {"text": "\u4efb\u3002\u53c2\u7167\u300a\u534e\u6da6\u4e94\u4e30\u6709\u9650\u516c\u53f8\u8d39\u7528\u62a5\u9500\u7ba1\u7406\u529e\u6cd5\uff082022\u5e748\u6708\u7248\uff09", "confidence": 0.9972627758979797, "text_region": [[152.0, 647.0], [1036.0, 646.0], [1036.0, 674.0], [152.0, 675.0]]}, {"text": "\u7ed3\u5408\u516c\u53f8\u5b9e\u9645\uff0c\u7279\u5236\u5b9a\u672c\u529e\u6cd5\u3002\u672c\u7ba1\u7406\u529e\u6cd5\u81ea2022\u5e7411\u67081\u65e5\u8d77\u6276", "confidence": 0.9829623699188232, "text_region": [[155.0, 705.0], [1038.0, 705.0], [1038.0, 730.0], [155.0, 730.0]]}, {"text": "\u884c\uff0c\u539f\u516c\u53f8\u300a\u8d39\u7528\u62a5\u9500\u7ba1\u7406\u529e\u6cd5\uff082021\u5e74\u4fee\u8ba2\u7248\uff09\u300b\u540c\u65f6\u5e9f\u6b62\uff0c", "confidence": 0.9919914603233337, "text_region": [[154.0, 761.0], [1027.0, 761.0], [1027.0, 786.0], [154.0, 786.0]]}, {"text": "\u4e0e\u4ee5\u5f80\u5236\u5ea6\u4e2d\u6709\u51b2\u7a81\u7684\u5730\u65b9\u4ee5\u672c\u7ba1\u7406\u529e\u6cd5\u4e3a\u51c6\u3002", "confidence": 0.9950643181800842, "text_region": [[156.0, 818.0], [792.0, 818.0], [792.0, 842.0], [156.0, 842.0]]}, {"text": "\u7279\u6b64\u901a\u77e5", "confidence": 0.9991862773895264, "text_region": [[214.0, 874.0], [342.0, 874.0], [342.0, 895.0], [214.0, 895.0]]}], "img_idx": 0}