View Source Evision.MSER (Evision v0.1.8)
Link to this section Summary
cv
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.
Full constructor for %MSER detector
Full constructor for %MSER detector
Python prototype (for reference):
Python prototype (for reference):
Python prototype (for reference):
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.
Positional Arguments
- image:
Evision.Mat
- mask:
Evision.Mat
Keyword Arguments
- useProvidedKeypoints:
bool
.
Return
- keypoints:
[KeyPoint]
- descriptors:
Evision.Mat
.
Detects keypoints and computes the descriptors
Positional Arguments
- image:
Evision.Mat
- mask:
Evision.Mat
Keyword Arguments
- useProvidedKeypoints:
bool
.
Return
- keypoints:
[KeyPoint]
- descriptors:
Evision.Mat
.
Detects keypoints and computes the descriptors
Detect %MSER regions
Python prototype (for reference):
Python prototype (for reference):
Python prototype (for reference):
Python prototype (for reference):
Python prototype (for reference):
Python prototype (for reference):
Variant 1:
Positional Arguments
- arg1:
FileNode
Python prototype (for reference):
Positional Arguments
- delta:
int
Python prototype (for reference):
Positional Arguments
- maxArea:
int
Python prototype (for reference):
Positional Arguments
- minArea:
int
Python prototype (for reference):
Positional Arguments
- f:
bool
Python prototype (for reference):
Variant 1:
Positional Arguments
- fs:
Ptr<FileStorage>
Keyword Arguments
- name:
String
.
Python prototype (for reference):
Positional Arguments
- fs:
Ptr<FileStorage>
Keyword Arguments
- name:
String
.
Python prototype (for reference):
Functions
Raising version of compute/3
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Raising version of compute/4
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Raising version of create/1
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Raising version of defaultNorm/1
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Raising version of descriptorSize/1
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Raising version of descriptorType/1
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Raising version of detect/2
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Raising version of detect/3
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Raising version of detectAndCompute/3
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Raising version of detectAndCompute/4
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Raising version of detectRegions/2
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Raising version of empty/1
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Raising version of getDefaultName/1
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Raising version of getDelta/1
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Raising version of getMaxArea/1
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Raising version of getMinArea/1
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Raising version of getPass2Only/1
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Raising version of read/2
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Raising version of setDelta/2
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Raising version of setMaxArea/2
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Raising version of setMinArea/2
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Raising version of setPass2Only/2
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Raising version of write/2
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Raising version of write/3
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Link to this section cv
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.Image set.
Return
keypoints:
[vector_KeyPoint]
.Input collection of keypoints. Keypoints for which a descriptor cannot be computed are removed. Sometimes new keypoints can be added, for example: SIFT duplicates keypoint with several dominant orientations (for each orientation).
descriptors:
[Evision.Mat]
.Computed descriptors. In the second variant of the method descriptors[i] are descriptors computed for a keypoints[i]. Row j is the keypoints (or keypoints[i]) is the descriptor for keypoint j-th keypoint.
Has overloading in C++
Python prototype (for reference):
compute(images, keypoints[, descriptors]) -> keypoints, descriptors
Variant 2:
Computes the descriptors for a set of keypoints detected in an image (first variant) or image set (second variant).
Positional Arguments
image:
Evision.Mat
.Image.
Return
keypoints:
[KeyPoint]
.Input collection of keypoints. Keypoints for which a descriptor cannot be computed are removed. Sometimes new keypoints can be added, for example: SIFT duplicates keypoint with several dominant orientations (for each orientation).
descriptors:
Evision.Mat
.Computed descriptors. In the second variant of the method descriptors[i] are descriptors computed for a keypoints[i]. Row j is the keypoints (or keypoints[i]) is the descriptor for keypoint j-th keypoint.
Python prototype (for reference):
compute(image, keypoints[, descriptors]) -> keypoints, descriptors
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.Image set.
Return
keypoints:
[vector_KeyPoint]
.Input collection of keypoints. Keypoints for which a descriptor cannot be computed are removed. Sometimes new keypoints can be added, for example: SIFT duplicates keypoint with several dominant orientations (for each orientation).
descriptors:
[Evision.Mat]
.Computed descriptors. In the second variant of the method descriptors[i] are descriptors computed for a keypoints[i]. Row j is the keypoints (or keypoints[i]) is the descriptor for keypoint j-th keypoint.
Has overloading in C++
Python prototype (for reference):
compute(images, keypoints[, descriptors]) -> keypoints, descriptors
Variant 2:
Computes the descriptors for a set of keypoints detected in an image (first variant) or image set (second variant).
Positional Arguments
image:
Evision.Mat
.Image.
Return
keypoints:
[KeyPoint]
.Input collection of keypoints. Keypoints for which a descriptor cannot be computed are removed. Sometimes new keypoints can be added, for example: SIFT duplicates keypoint with several dominant orientations (for each orientation).
descriptors:
Evision.Mat
.Computed descriptors. In the second variant of the method descriptors[i] are descriptors computed for a keypoints[i]. Row j is the keypoints (or keypoints[i]) is the descriptor for keypoint j-th keypoint.
Python prototype (for reference):
compute(image, keypoints[, descriptors]) -> keypoints, descriptors
Full constructor for %MSER detector
Keyword Arguments
delta:
int
.it compares \f$(size{i}-size{i-delta})/size_{i-delta}\f$
min_area:
int
.prune the area which smaller than minArea
max_area:
int
.prune the area which bigger than maxArea
max_variation:
double
.prune the area have similar size to its children
min_diversity:
double
.for color image, trace back to cut off mser with diversity less than min_diversity
max_evolution:
int
.for color image, the evolution steps
area_threshold:
double
.for color image, the area threshold to cause re-initialize
min_margin:
double
.for color image, ignore too small margin
edge_blur_size:
int
.for color image, the aperture size for edge blur
Python prototype (for reference):
create([, delta[, min_area[, max_area[, max_variation[, min_diversity[, max_evolution[, area_threshold[, min_margin[, edge_blur_size]]]]]]]]]) -> retval
Full constructor for %MSER detector
Keyword Arguments
delta:
int
.it compares \f$(size{i}-size{i-delta})/size_{i-delta}\f$
min_area:
int
.prune the area which smaller than minArea
max_area:
int
.prune the area which bigger than maxArea
max_variation:
double
.prune the area have similar size to its children
min_diversity:
double
.for color image, trace back to cut off mser with diversity less than min_diversity
max_evolution:
int
.for color image, the evolution steps
area_threshold:
double
.for color image, the area threshold to cause re-initialize
min_margin:
double
.for color image, ignore too small margin
edge_blur_size:
int
.for color image, the aperture size for edge blur
Python prototype (for reference):
create([, delta[, min_area[, max_area[, max_variation[, min_diversity[, max_evolution[, area_threshold[, min_margin[, edge_blur_size]]]]]]]]]) -> retval
Python prototype (for reference):
defaultNorm() -> retval
Python prototype (for reference):
descriptorSize() -> retval
Python prototype (for reference):
descriptorType() -> retval
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.Image set.
Keyword Arguments
masks:
[Evision.Mat]
.Masks for each input image specifying where to look for keypoints (optional). masks[i] is a mask for images[i].
Return
keypoints:
[vector_KeyPoint]
.The detected keypoints. In the second variant of the method keypoints[i] is a set of keypoints detected in images[i] .
Has overloading in C++
Python prototype (for reference):
detect(images[, masks]) -> keypoints
Variant 2:
Detects keypoints in an image (first variant) or image set (second variant).
Positional Arguments
image:
Evision.Mat
.Image.
Keyword Arguments
mask:
Evision.Mat
.Mask specifying where to look for keypoints (optional). It must be a 8-bit integer matrix with non-zero values in the region of interest.
Return
keypoints:
[KeyPoint]
.The detected keypoints. In the second variant of the method keypoints[i] is a set of keypoints detected in images[i] .
Python prototype (for reference):
detect(image[, mask]) -> keypoints
Variant 1:
Positional Arguments
images:
[Evision.Mat]
.Image set.
Keyword Arguments
masks:
[Evision.Mat]
.Masks for each input image specifying where to look for keypoints (optional). masks[i] is a mask for images[i].
Return
keypoints:
[vector_KeyPoint]
.The detected keypoints. In the second variant of the method keypoints[i] is a set of keypoints detected in images[i] .
Has overloading in C++
Python prototype (for reference):
detect(images[, masks]) -> keypoints
Variant 2:
Detects keypoints in an image (first variant) or image set (second variant).
Positional Arguments
image:
Evision.Mat
.Image.
Keyword Arguments
mask:
Evision.Mat
.Mask specifying where to look for keypoints (optional). It must be a 8-bit integer matrix with non-zero values in the region of interest.
Return
keypoints:
[KeyPoint]
.The detected keypoints. In the second variant of the method keypoints[i] is a set of keypoints detected in images[i] .
Python prototype (for reference):
detect(image[, mask]) -> keypoints
Positional Arguments
- image:
Evision.Mat
- mask:
Evision.Mat
Keyword Arguments
- useProvidedKeypoints:
bool
.
Return
- keypoints:
[KeyPoint]
- descriptors:
Evision.Mat
.
Detects keypoints and computes the descriptors
Python prototype (for reference):
detectAndCompute(image, mask[, descriptors[, useProvidedKeypoints]]) -> keypoints, descriptors
Positional Arguments
- image:
Evision.Mat
- mask:
Evision.Mat
Keyword Arguments
- useProvidedKeypoints:
bool
.
Return
- keypoints:
[KeyPoint]
- descriptors:
Evision.Mat
.
Detects keypoints and computes the descriptors
Python prototype (for reference):
detectAndCompute(image, mask[, descriptors[, useProvidedKeypoints]]) -> keypoints, descriptors
Detect %MSER regions
Positional Arguments
image:
Evision.Mat
.input image (8UC1, 8UC3 or 8UC4, must be greater or equal than 3x3)
Return
msers:
[vector_Point]
.resulting list of point sets
bboxes:
[Rect]
.resulting bounding boxes
Python prototype (for reference):
detectRegions(image) -> msers, bboxes
Python prototype (for reference):
empty() -> retval
Python prototype (for reference):
getDefaultName() -> retval
Python prototype (for reference):
getDelta() -> retval
Python prototype (for reference):
getMaxArea() -> retval
Python prototype (for reference):
getMinArea() -> retval
Python prototype (for reference):
getPass2Only() -> retval
Variant 1:
Positional Arguments
- arg1:
FileNode
Python prototype (for reference):
read(arg1) -> None
Variant 2:
Positional Arguments
- fileName:
String
Python prototype (for reference):
read(fileName) -> None
Positional Arguments
- delta:
int
Python prototype (for reference):
setDelta(delta) -> None
Positional Arguments
- maxArea:
int
Python prototype (for reference):
setMaxArea(maxArea) -> None
Positional Arguments
- minArea:
int
Python prototype (for reference):
setMinArea(minArea) -> None
Positional Arguments
- f:
bool
Python prototype (for reference):
setPass2Only(f) -> None
Variant 1:
Positional Arguments
- fs:
Ptr<FileStorage>
Keyword Arguments
- name:
String
.
Python prototype (for reference):
write(fs[, name]) -> None
Variant 2:
Positional Arguments
- fileName:
String
Python prototype (for reference):
write(fileName) -> None
Positional Arguments
- fs:
Ptr<FileStorage>
Keyword Arguments
- name:
String
.
Python prototype (for reference):
write(fs[, name]) -> None
Link to this section Functions
Raising version of compute/3
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Raising version of compute/4
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Raising version of create/0
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Raising version of create/1
.
Raising version of defaultNorm/1
.
Raising version of descriptorSize/1
.
Raising version of descriptorType/1
.
Raising version of detect/2
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Raising version of detect/3
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Raising version of detectAndCompute/3
.
Raising version of detectAndCompute/4
.
Raising version of detectRegions/2
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Raising version of empty/1
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Raising version of getDefaultName/1
.
Raising version of getDelta/1
.
Raising version of getMaxArea/1
.
Raising version of getMinArea/1
.
Raising version of getPass2Only/1
.
Raising version of read/2
.
Raising version of setDelta/2
.
Raising version of setMaxArea/2
.
Raising version of setMinArea/2
.
Raising version of setPass2Only/2
.
Raising version of write/2
.
Raising version of write/3
.