百度智能小程序 檢測圖片的具體車型

swan.ai.carClassify

解釋 ：用于檢測一張車輛圖片的具體車型，即對(duì)于輸入的一張圖片（可正常解碼，且長寬比適宜），輸出圖片的車輛品牌及型號(hào)、顏色及年份、位置信息。

方法參數(shù)

Object object

object 參數(shù)說明

success 返回參數(shù)說明

result 返回值說明

location_result 返回值說明

示例 

在開發(fā)者工具中打開

代碼示例

<view class="wrap">
    <view class="card-area" style="height:2.1rem">
        <image mode="aspectFill" class="display-area-image" src="{{image}}"></image>
    </view>
    <view class="card-area" style="margin-bottom: 1.2rem;">
        <view s-if="!loading" class="top-description border-bottom">識(shí)別結(jié)果</view>
        <view s-if="result.length>0">
            <view s-if="!loading">
                <view s-for="item in result" class="list-area border-bottom">
                    <view class="reasult-keyword">{{item.name}}</view>
                    <view class="reasult-score">
                        <view class="score-title">置信度</view>
                        <view style="display:inline-block">
                            <view class="score-info">{{item.score}}<text class="percent">%</text></view>
                            <view class="score-percent">
                                <view class="percent-front {{item.score===100?'percent-100':''}}" style="width:{{item.score}}%;"></view>
                            </view>
                        </view>        
                    </view>     
                    <view class="score-title">年份</view>
                    <view class="root-info">{{item.year}}</view>     
                </view>
            </view>
        </view>
        <view s-else>
            <view s-if="!loading">
                <view class="result-area">
                    <view class="result-area-fail">未檢測到車輛</view>
                    <view class="result-area-tips">請(qǐng)上傳包含車輛的清晰圖片</view>
                </view>
            </view>
        </view>
    </view>
     <view class="swan-security-padding-bottom flex-button">
        <button type="primary" hover-class="button-hover" disabled="{{loading}}" bindtap="carClassify">上傳車輛圖片</button>
    </view>
</view>

Page({
    data: {
        loading: true,
        isLoad: false,
        image: 'https://b.bdstatic.com/miniapp/images/carClassify.png',
        result: [
            {score: '10.67', name: '日產(chǎn)BladeGlider', year: '無年份信息'},
            {score: '9.05', name: '標(biāo)致VisionGranTurismo', year: '無年份信息'},
            {score: '7.54', name: '摩根EV3', year: '2015'},
            {score: '7.18', name: 'LM55', year: '無年份信息'},
            {score: '6.96', name: '奔馳Vision', year: '無年份信息'}
        ]
    },
    onShow() {
        if (!this.data.isLoad) {
            swan.showToast({
                title: '識(shí)別中...',
                icon: 'loading',
                duration: 1000
            });
            this.setData({
                loading: true
            });

            setTimeout(() => {
                this.setData({
                    loading: false
                });
                this.data.isLoad = true;
            }, 1000);
        }
    },
    carClassify() {
        if (this.getData('loading')) {
            return;
        }
        swan.showActionSheet({
            itemList: ['拍照', '從手機(jī)相冊(cè)選擇'],
            success: res => {
                const sourceType = res.tapIndex === 0 ? 'camera' : 'album';
                swan.chooseImage({
                    count: 1,
                    sizeType: ['original', 'compressed'],
                    sourceType: [sourceType],
                    success: res => {
                        const image = res.tempFilePaths[0];
                        this.setData({image, loading: true});
                        swan.showToast({
                            title: '識(shí)別中...',
                            icon: 'loading',
                            duration: 20000
                        });
                        swan.ai.carClassify({
                            image,
                            top_num: 5,
                            success: res => {
                                console.log('carClassify success', res);
                                this.setImageData(res.result);
                            },
                            fail: err => {
                                console.log('carClassify fail', err);
                            },
                            complete: () => {
                                swan.hideToast();
                                this.setData('loading', false);
                            }
                        });
                    },
                    fail: err => {
                        console.log('chooseImage fail', err);
                    }
                });
            }
        });
    },
    setImageData(data) {
        const len = data.length - 1;
        for (let i = len; i >= 0; i--) {
            if (data[i].name === '非車類') {
                data.splice(i, 1);
            } 
            else {
                if (data[i].score && !isNaN(data[i].score)) {
                    data[i].score = (data[i].score * 100).toFixed(2);
                    if (data[i].score > 100) {
                        data[i].score = 100;
                    }
                }
                else {
                    data[i].score = 0;
                }
            }
        }
        this.setData('result', data);
    }
});

返回值示例

{
    "log_id": $log_id,
    "location_result": {
        "width": 434,
        "top": 119,
        "height": 246,
        "left": 110
    },
    "result": [
        {
            "score": 0.99993008375168,
            "name": "寶馬X3",
            "year": "2016"
        },
        {
            "score": 0.00005255633732304,
            "name": "寶馬X4",
            "year": "2015-2016"
        },
        {
            "score": 0.0000031432850846613,
            "name": "SWM斯威X7",
            "year": "2016-2017"
        },
        {
            "score": 0.0000012879694395451,
            "name": "寶馬X5",
            "year": "2016-2017"
        },
        {
            "score": 5.6126202707674e-7,
            "name": "豐田漢蘭達(dá)",
            "year": "2015-2017"
        },
        {
            "score": 4.4069730620322e-7,
            "name": "斯柯達(dá)速尊",
            "year": "2014-2016"
        },
        {
            "score": 4.0618823504701e-7,
            "name": "寶馬X1",
            "year": "2017"
        }
    ],
    "color_result": "白色"
}