PHP - JPEG图像到RGB值数组计数

// 加载JPEG图像
$image = imagecreatefromjpeg('image.jpg');

// 获取图像信息
$width = imagesx($image);
$height = imagesy($image);

// 创建RGB值数组
$rgbArray = array();

// 遍历每个像素
for ($y = 0; $y < $height; $y++) {
    for ($x = 0; $x < $width; $x++) {
        // 获取像素的RGB值
        $rgb = imagecolorat($image, $x, $y);

        // 将RGB值存储到数组中
        $red = ($rgb >> 16) & 0xFF;
        $green = ($rgb >> 8) & 0xFF;
        $blue = $rgb & 0xFF;
        $rgbArray[] = array($red, $green, $blue);
    }
}

// 统计RGB值数组
$colorCount = array();
foreach ($rgbArray as $rgb) {
    $color = implode(',', $rgb);
    if (isset($colorCount[$color])) {
        $colorCount[$color]++;
    } else {
        $colorCount[$color] = 1;
    }
}

// 输出统计结果
foreach ($colorCount as $color => $count) {
    echo "颜色: $color, 出现次数: $count\n";
}