Question

我正在iOS 5中使用新的Core Image API进行自动增强。但是，从autoAdjustmentFilters或autoAdjustmentFiltersWithOptions返回的数组永远不会消除红眼，它只返回CIFaceBalance，CIVibrance和CIHighlightsAndShadows等过滤器。我甚至尝试将autoAdjustmentFiltersWithOptions字典键kCIImageAutoAdjustRedEye设置为TRUE，即使文档默认情况下它是真的。我知道相机/照片应用程序会检测到同一图像上的红眼，所以有些不对劲。

Answer 1

此代码将返回CIRedEyeCorrections。因为我没有真正的红眼图片。我只是谷歌，发现这个“redeye_incorrect_lg.jpg”。这是谷歌图片返回的第一张女性图片。我发现并不是所有的红眼图像都能被检测出来......所以要确保你的红眼图像是红眼...

-(void) coreImageInit
{
    NSString *sourcePath = [[NSBundle mainBundle] resourcePath];
    NSString *file1 = [sourcePath stringByAppendingPathComponent:@"/redeye_incorrect_lg.jpg"];
    UIImage *img = [[[UIImage alloc]initWithContentsOfFile:file1]autorelease];
    CIImage *image = [[CIImage alloc]initWithImage:img]; 
    NSLog(@"after ciimage: %@", kCIImageAutoAdjustEnhance);
    NSDictionary *options = [NSDictionary dictionaryWithObject:@"NO" forKey:kCIImageAutoAdjustEnhance];
    NSLog(@"options: %@", options);
    NSArray *adjustments = [image autoAdjustmentFiltersWithOptions:options];
    NSLog(@"adjustments: %@  ", adjustments);

}

这是我的日志输出，显示它检测到红眼：

11/4/11 10:13:19.231 AM iPadTestBed: after ciimage: kCIImageAutoAdjustEnhance
11/4/11 10:13:19.232 AM iPadTestBed: options: {
    kCIImageAutoAdjustEnhance = NO;
}
11/4/11 10:13:19.879 AM iPadTestBed: adjustments: (
    "<CIRedEyeCorrections: inputImage=<CIImage: 0x878a980 extent [0 0 370 427]> inputCameraModel=nil inputCorrectionInfo=(\n        {\n        averageSkinLuminance = 0;\n        bitmaskThreshold = \"0.1372549\";\n        bitmaskX = \"0.372973\";\n        bitmaskY = \"0.5854801\";\n        cornealReflectionThreshold = \"0.854902\";\n        cornealReflectionX = \"0.3783784\";\n        cornealReflectionY = \"0.587822\";\n        existingPupilAverage = \"0.1607843\";\n        existingPupilHigh = \"0.345098\";\n        existingPupilLow = \"0.01176471\";\n        existingPupilMedium = \"0.1333333\";\n        finalEyeCase = 0;\n        forceCase = 0;\n        fullImageHeight = 427;\n        fullImageWidth = 370;\n        imageOrientation = 1;\n        imageSignalToNoiseRatio = 20;\n        imageSpecialValue = 0;\n        interocularDistance = \"0.2284475\";\n        pointX = \"0.3702703\";\n        pointY = \"0.587822\";\n        pupilShadeAlignment = 1;\n        pupilShadeAverage = \"0.2117647\";\n        pupilShadeHigh = \"0.2901961\";\n        pupilShadeLow = \"0.1372549\";\n        pupilShadeMedium = \"0.2117647\";\n        repairRectangleMaximumX = \"0.4162162\";\n        repairRectangleMaximumY = \"0.557377\";\n        repairRectangleMinimumX = \"0.3513514\";\n        repairRectangleMinimumY = \"0.6135831\";\n        searchRectangleMaximumX = \"0.4864865\";\n        searchRectangleMaximumY = \"0.4871194\";\n        searchRectangleMinimumX = \"0.2540541\";\n        searchRectangleMinimumY = \"0.6885245\";\n        size = \"0.012472\";\n        snappedX = \"0.3702703\";\n        snappedY = \"0.587822\";\n    },\n        {\n        averageSkinLuminance = 0;\n        bitmaskThreshold = \"0.09411766\";\n        bitmaskX = \"0.7081081\";\n        bitmaskY = \"0.6533958\";\n        cornealReflectionThreshold = \"0.8745099\";\n        cornealReflectionX = \"0.7081081\";\n        cornealReflectionY = \"0.6487119\";\n        existingPupilAverage = \"0.1686275\";\n        existingPupilHigh = \"0.3490196\";\n        existingPupilLow = \"0.03921569\";\n        existingPupilMedium = \"0.1372549\";\n        finalEyeCase = 0;\n        forceCase = 0;\n        fullImageHeight = 427;\n        fullImageWidth = 370;\n        imageOrientation = 1;\n        imageSignalToNoiseRatio = 20;\n        imageSpecialValue = 0;\n        interocularDistance = \"0.2284475\";\n        pointX = \"0.7081081\";\n        pointY = \"0.6557377\";\n        pupilShadeAlignment = 1;\n        pupilShadeAverage = \"0.2117647\";\n        pupilShadeHigh = \"0.2901961\";\n        pupilShadeLow = \"0.1372549\";\n        pupilShadeMedium = \"0.2117647\";\n        repairRectangleMaximumX = \"0.7405406\";\n        repairRectangleMaximumY = \"0.6229508\";\n        repairRectangleMinimumX = \"0.6864865\";\n        repairRectangleMinimumY = \"0.6697892\";\n        searchRectangleMaximumX = \"0.827027\";\n        searchRectangleMaximumY = \"0.5526932\";\n        searchRectangleMinimumX = \"0.5945946\";\n        searchRectangleMinimumY = \"0.7540984\";\n        size = \"0.010893\";\n        snappedX = \"0.7081081\";\n        snappedY = \"0.6557377\";\n    }\n)>"
)

Core Image autoAdjustmentFilters未检测到红眼

1 个答案: