php 以图搜图

感知哈希算法 count=5 匹配最相似 count 10两张不同的图片 var_dump(ImageHash::run(./1.png,./psb.jpg)); 源地址：http://www.haowei.me/archives/1261.html ?phpclass ImageHash {const FILE_NOT_FOUND = '-1';const FILE_EXTNAME_ILLEGAL = '-2';private

感知哈希算法

count count > 10 两张不同的图片

var_dump(ImageHash::run('./1.png', './psb.jpg'));

源地址： http://www.haowei.me/archives/1261.html

getHashValue($src1);
		$hash2 = $self->getHashValue($src2);
		
		if(strlen($hash1) !== strlen($hash2)) return false;
		
		$count = 0;
		$len = strlen($hash1);
		for($i = 0; $i getImage($file);
		imagecopyresampled($img, $src, 0, 0, 0, 0, $w, $h, $src_w, $src_h);
		imagedestroy($src);
		
		$total = 0;
		$array = array();
		for( $y = 0; $y > 8) & 0xFF;
				if(!isset($array[$y])) $array[$y] = array();
				$array[$y][$x] = $gray;
				$total += $gray;
			}
		}
		
		imagedestroy($img);
		
		$average = intval($total / ($w * $h * 2));
		$hash = '';
		for($y = 0; $y = $average) ? '1' : '0';
			}
		}
		
		var_dump($hash);
		return $hash;
		
	}
	
}