|
| enum | cv::ImreadModes {
cv::IMREAD_UNCHANGED = -1
,
cv::IMREAD_GRAYSCALE = 0
,
cv::IMREAD_COLOR_BGR = 1
,
cv::IMREAD_COLOR = 1
,
cv::IMREAD_ANYDEPTH = 2
,
cv::IMREAD_ANYCOLOR = 4
,
cv::IMREAD_LOAD_GDAL = 8
,
cv::IMREAD_REDUCED_GRAYSCALE_2 = 16
,
cv::IMREAD_REDUCED_COLOR_2 = 17
,
cv::IMREAD_REDUCED_GRAYSCALE_4 = 32
,
cv::IMREAD_REDUCED_COLOR_4 = 33
,
cv::IMREAD_REDUCED_GRAYSCALE_8 = 64
,
cv::IMREAD_REDUCED_COLOR_8 = 65
,
cv::IMREAD_IGNORE_ORIENTATION = 128
,
cv::IMREAD_COLOR_RGB = 256
} |
| | Imread flags. More...
|
| |
| enum | cv::ImwriteEXRCompressionFlags {
cv::IMWRITE_EXR_COMPRESSION_NO = 0
,
cv::IMWRITE_EXR_COMPRESSION_RLE = 1
,
cv::IMWRITE_EXR_COMPRESSION_ZIPS = 2
,
cv::IMWRITE_EXR_COMPRESSION_ZIP = 3
,
cv::IMWRITE_EXR_COMPRESSION_PIZ = 4
,
cv::IMWRITE_EXR_COMPRESSION_PXR24 = 5
,
cv::IMWRITE_EXR_COMPRESSION_B44 = 6
,
cv::IMWRITE_EXR_COMPRESSION_B44A = 7
,
cv::IMWRITE_EXR_COMPRESSION_DWAA = 8
,
cv::IMWRITE_EXR_COMPRESSION_DWAB = 9
} |
| |
| enum | cv::ImwriteEXRTypeFlags {
cv::IMWRITE_EXR_TYPE_HALF = 1
,
cv::IMWRITE_EXR_TYPE_FLOAT = 2
} |
| |
| enum | cv::ImwriteFlags {
cv::IMWRITE_JPEG_QUALITY = 1
,
cv::IMWRITE_JPEG_PROGRESSIVE = 2
,
cv::IMWRITE_JPEG_OPTIMIZE = 3
,
cv::IMWRITE_JPEG_RST_INTERVAL = 4
,
cv::IMWRITE_JPEG_LUMA_QUALITY = 5
,
cv::IMWRITE_JPEG_CHROMA_QUALITY = 6
,
cv::IMWRITE_JPEG_SAMPLING_FACTOR = 7
,
cv::IMWRITE_PNG_COMPRESSION = 16
,
cv::IMWRITE_PNG_STRATEGY = 17
,
cv::IMWRITE_PNG_BILEVEL = 18
,
cv::IMWRITE_PXM_BINARY = 32
,
cv::IMWRITE_EXR_TYPE = (3 << 4) + 0
,
cv::IMWRITE_EXR_COMPRESSION = (3 << 4) + 1
,
cv::IMWRITE_EXR_DWA_COMPRESSION_LEVEL = (3 << 4) + 2
,
cv::IMWRITE_WEBP_QUALITY = 64
,
cv::IMWRITE_HDR_COMPRESSION = (5 << 4) + 0
,
cv::IMWRITE_PAM_TUPLETYPE = 128
,
cv::IMWRITE_TIFF_RESUNIT = 256
,
cv::IMWRITE_TIFF_XDPI = 257
,
cv::IMWRITE_TIFF_YDPI = 258
,
cv::IMWRITE_TIFF_COMPRESSION = 259
,
cv::IMWRITE_TIFF_ROWSPERSTRIP = 278
,
cv::IMWRITE_TIFF_PREDICTOR = 317
,
cv::IMWRITE_JPEG2000_COMPRESSION_X1000 = 272
,
cv::IMWRITE_AVIF_QUALITY = 512
,
cv::IMWRITE_AVIF_DEPTH = 513
,
cv::IMWRITE_AVIF_SPEED = 514
,
cv::IMWRITE_GIF_LOOP = 1024
,
cv::IMWRITE_GIF_SPEED = 1025
,
cv::IMWRITE_GIF_QUALITY = 1026
,
cv::IMWRITE_GIF_DITHER = 1027
,
cv::IMWRITE_GIF_TRANSPARENCY = 1028
,
cv::IMWRITE_GIF_COLORTABLE = 1029
} |
| | Imwrite flags. More...
|
| |
| enum | cv::ImwriteGIFCompressionFlags {
cv::IMWRITE_GIF_FAST_NO_DITHER = 1
,
cv::IMWRITE_GIF_FAST_FLOYD_DITHER = 2
,
cv::IMWRITE_GIF_COLORTABLE_SIZE_8 = 3
,
cv::IMWRITE_GIF_COLORTABLE_SIZE_16 = 4
,
cv::IMWRITE_GIF_COLORTABLE_SIZE_32 = 5
,
cv::IMWRITE_GIF_COLORTABLE_SIZE_64 = 6
,
cv::IMWRITE_GIF_COLORTABLE_SIZE_128 = 7
,
cv::IMWRITE_GIF_COLORTABLE_SIZE_256 = 8
} |
| | Imwrite GIF specific values for IMWRITE_GIF_QUALITY parameter key, if larger than 3, then its related to the size of the color table. More...
|
| |
| enum | cv::ImwriteHDRCompressionFlags {
cv::IMWRITE_HDR_COMPRESSION_NONE = 0
,
cv::IMWRITE_HDR_COMPRESSION_RLE = 1
} |
| | Imwrite HDR specific values for IMWRITE_HDR_COMPRESSION parameter key. More...
|
| |
| enum | cv::ImwriteJPEGSamplingFactorParams {
cv::IMWRITE_JPEG_SAMPLING_FACTOR_411 = 0x411111
,
cv::IMWRITE_JPEG_SAMPLING_FACTOR_420 = 0x221111
,
cv::IMWRITE_JPEG_SAMPLING_FACTOR_422 = 0x211111
,
cv::IMWRITE_JPEG_SAMPLING_FACTOR_440 = 0x121111
,
cv::IMWRITE_JPEG_SAMPLING_FACTOR_444 = 0x111111
} |
| |
| enum | cv::ImwritePAMFlags {
cv::IMWRITE_PAM_FORMAT_NULL = 0
,
cv::IMWRITE_PAM_FORMAT_BLACKANDWHITE = 1
,
cv::IMWRITE_PAM_FORMAT_GRAYSCALE = 2
,
cv::IMWRITE_PAM_FORMAT_GRAYSCALE_ALPHA = 3
,
cv::IMWRITE_PAM_FORMAT_RGB = 4
,
cv::IMWRITE_PAM_FORMAT_RGB_ALPHA = 5
} |
| | Imwrite PAM specific tupletype flags used to define the 'TUPLETYPE' field of a PAM file. More...
|
| |
| enum | cv::ImwritePNGFlags {
cv::IMWRITE_PNG_STRATEGY_DEFAULT = 0
,
cv::IMWRITE_PNG_STRATEGY_FILTERED = 1
,
cv::IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY = 2
,
cv::IMWRITE_PNG_STRATEGY_RLE = 3
,
cv::IMWRITE_PNG_STRATEGY_FIXED = 4
} |
| | Imwrite PNG specific flags used to tune the compression algorithm. More...
|
| |
| enum | cv::ImwriteTiffCompressionFlags {
cv::IMWRITE_TIFF_COMPRESSION_NONE = 1
,
cv::IMWRITE_TIFF_COMPRESSION_CCITTRLE = 2
,
cv::IMWRITE_TIFF_COMPRESSION_CCITTFAX3 = 3
,
cv::IMWRITE_TIFF_COMPRESSION_CCITT_T4 = 3
,
cv::IMWRITE_TIFF_COMPRESSION_CCITTFAX4 = 4
,
cv::IMWRITE_TIFF_COMPRESSION_CCITT_T6 = 4
,
cv::IMWRITE_TIFF_COMPRESSION_LZW = 5
,
cv::IMWRITE_TIFF_COMPRESSION_OJPEG = 6
,
cv::IMWRITE_TIFF_COMPRESSION_JPEG = 7
,
cv::IMWRITE_TIFF_COMPRESSION_T85 = 9
,
cv::IMWRITE_TIFF_COMPRESSION_T43 = 10
,
cv::IMWRITE_TIFF_COMPRESSION_NEXT = 32766
,
cv::IMWRITE_TIFF_COMPRESSION_CCITTRLEW = 32771
,
cv::IMWRITE_TIFF_COMPRESSION_PACKBITS = 32773
,
cv::IMWRITE_TIFF_COMPRESSION_THUNDERSCAN = 32809
,
cv::IMWRITE_TIFF_COMPRESSION_IT8CTPAD = 32895
,
cv::IMWRITE_TIFF_COMPRESSION_IT8LW = 32896
,
cv::IMWRITE_TIFF_COMPRESSION_IT8MP = 32897
,
cv::IMWRITE_TIFF_COMPRESSION_IT8BL = 32898
,
cv::IMWRITE_TIFF_COMPRESSION_PIXARFILM = 32908
,
cv::IMWRITE_TIFF_COMPRESSION_PIXARLOG = 32909
,
cv::IMWRITE_TIFF_COMPRESSION_DEFLATE = 32946
,
cv::IMWRITE_TIFF_COMPRESSION_ADOBE_DEFLATE = 8
,
cv::IMWRITE_TIFF_COMPRESSION_DCS = 32947
,
cv::IMWRITE_TIFF_COMPRESSION_JBIG = 34661
,
cv::IMWRITE_TIFF_COMPRESSION_SGILOG = 34676
,
cv::IMWRITE_TIFF_COMPRESSION_SGILOG24 = 34677
,
cv::IMWRITE_TIFF_COMPRESSION_JP2000 = 34712
,
cv::IMWRITE_TIFF_COMPRESSION_LERC = 34887
,
cv::IMWRITE_TIFF_COMPRESSION_LZMA = 34925
,
cv::IMWRITE_TIFF_COMPRESSION_ZSTD = 50000
,
cv::IMWRITE_TIFF_COMPRESSION_WEBP = 50001
,
cv::IMWRITE_TIFF_COMPRESSION_JXL = 50002
} |
| |
| enum | cv::ImwriteTiffPredictorFlags {
cv::IMWRITE_TIFF_PREDICTOR_NONE = 1
,
cv::IMWRITE_TIFF_PREDICTOR_HORIZONTAL = 2
,
cv::IMWRITE_TIFF_PREDICTOR_FLOATINGPOINT = 3
} |
| |
|
| CV_EXPORTS_W bool | cv::haveImageReader (const String &filename) |
| | Checks if the specified image file can be decoded by OpenCV.
|
| |
| CV_EXPORTS_W bool | cv::haveImageWriter (const String &filename) |
| | Checks if the specified image file or specified file extension can be encoded by OpenCV.
|
| |
| CV_EXPORTS_W size_t | cv::imcount (const String &filename, int flags=IMREAD_ANYCOLOR) |
| | Returns the number of images inside the given file.
|
| |
| CV_EXPORTS_W Mat | cv::imdecode (InputArray buf, int flags) |
| | Reads an image from a buffer in memory.
|
| |
| CV_EXPORTS Mat | cv::imdecode (InputArray buf, int flags, Mat *dst) |
| |
| CV_EXPORTS_W bool | cv::imdecodemulti (InputArray buf, int flags, CV_OUT std::vector< Mat > &mats, const cv::Range &range=Range::all()) |
| | Reads a multi-page image from a buffer in memory.
|
| |
| CV_EXPORTS_W bool | cv::imencode (const String &ext, InputArray img, CV_OUT std::vector< uchar > &buf, const std::vector< int > ¶ms=std::vector< int >()) |
| | Encodes an image into a memory buffer.
|
| |
| CV_EXPORTS_W bool | cv::imencodemulti (const String &ext, InputArrayOfArrays imgs, CV_OUT std::vector< uchar > &buf, const std::vector< int > ¶ms=std::vector< int >()) |
| | Encodes array of images into a memory buffer.
|
| |
| CV_EXPORTS_W Mat | cv::imread (const String &filename, int flags=IMREAD_COLOR_BGR) |
| | Loads an image from a file.
|
| |
| CV_EXPORTS_W void | cv::imread (const String &filename, OutputArray dst, int flags=IMREAD_COLOR_BGR) |
| | Loads an image from a file.
|
| |
| CV_EXPORTS_W bool | cv::imreadanimation (const String &filename, CV_OUT Animation &animation, int start=0, int count=INT16_MAX) |
| | Loads frames from an animated image file into an Animation structure.
|
| |
| CV_EXPORTS_W bool | cv::imreadmulti (const String &filename, CV_OUT std::vector< Mat > &mats, int flags=IMREAD_ANYCOLOR) |
| | Loads a multi-page image from a file.
|
| |
| CV_EXPORTS_W bool | cv::imreadmulti (const String &filename, CV_OUT std::vector< Mat > &mats, int start, int count, int flags=IMREAD_ANYCOLOR) |
| | Loads images of a multi-page image from a file.
|
| |
| CV_EXPORTS_W bool | cv::imwrite (const String &filename, InputArray img, const std::vector< int > ¶ms=std::vector< int >()) |
| | Saves an image to a specified file.
|
| |
| CV_EXPORTS_W bool | cv::imwriteanimation (const String &filename, const Animation &animation, const std::vector< int > ¶ms=std::vector< int >()) |
| | Saves an Animation to a specified file.
|
| |
| static CV_WRAP bool | cv::imwritemulti (const String &filename, InputArrayOfArrays img, const std::vector< int > ¶ms=std::vector< int >()) |
| | multi-image overload for bindings
|
| |
1.12.0