compare_variation_modelT_compare_variation_modelCompareVariationModelCompareVariationModelcompare_variation_model (Operator)
名称
compare_variation_modelT_compare_variation_modelCompareVariationModelCompareVariationModelcompare_variation_model — 将图像与变体模型进行比较。
签名
Herror T_compare_variation_model(const Hobject Image, Hobject* Region, const Htuple ModelID)
def compare_variation_model(image: HObject, model_id: HHandle) -> HObject
描述
compare_variation_modelcompare_variation_modelCompareVariationModelCompareVariationModelCompareVariationModelcompare_variation_model compares the input image
ImageImageImageImageimageimage to the variation model given by ModelIDModelIDModelIDModelIDmodelIDmodel_id.
Before compare_variation_modelcompare_variation_modelCompareVariationModelCompareVariationModelCompareVariationModelcompare_variation_model can be called, the two
internal threshold images of the variation model must have been
created with prepare_variation_modelprepare_variation_modelPrepareVariationModelPrepareVariationModelPrepareVariationModelprepare_variation_model or
prepare_direct_variation_modelprepare_direct_variation_modelPrepareDirectVariationModelPrepareDirectVariationModelPrepareDirectVariationModelprepare_direct_variation_model. Let c(x,y)
denote the input image ImageImageImageImageimageimage and
denote the two threshold images (see prepare_variation_modelprepare_variation_modelPrepareVariationModelPrepareVariationModelPrepareVariationModelprepare_variation_model
or prepare_direct_variation_modelprepare_direct_variation_modelPrepareDirectVariationModelPrepareDirectVariationModelPrepareDirectVariationModelprepare_direct_variation_model). Then the output region
RegionRegionRegionRegionregionregion contains all points that differ substantially from
the model, i.e., the points that fulfill the following condition:
If only too bright or too dark errors should be segmented the
operator compare_ext_variation_modelcompare_ext_variation_modelCompareExtVariationModelCompareExtVariationModelCompareExtVariationModelcompare_ext_variation_model can be used.
执行信息
- Multithreading type: reentrant (runs in parallel with non-exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Automatically parallelized on tuple level.
- Automatically parallelized on domain level.
参数
ImageImageImageImageimageimage (input_object) singlechannelimage(-array) → objectHImageHObjectHImageHobject (byte / int2 / uint2)
Image of the object to be compared.
RegionRegionRegionRegionregionregion (output_object) region(-array) → objectHRegionHObjectHRegionHobject *
Region containing the points that differ
substantially from the model.
ModelIDModelIDModelIDModelIDmodelIDmodel_id (input_control) variation_model → HVariationModel, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
ID of the variation model.
示例(HDevelop)
read_shape_model ('model.shm', TemplateID)
read_variation_model ('model.var', ModelID)
for K := 1 to 10 by 1
read_image (Image, 'pen-' + K$'02')
find_generic_shape_model (Image, TemplateID, MatchResultID, \
NumMatchResult)
get_generic_shape_model_result (MatchResultID, 'all', 'hom_mat_2d', \
HomMat2D)
dev_display (Image)
if (NumMatchResult == 1)
affine_trans_image (Image, ImageTrans, HomMat2D, 'constant', \
'false')
compare_variation_model (ImageTrans, RegionDiff, ModelID)
dev_display (RegionDiff)
endif
endfor
结果
compare_variation_modelcompare_variation_modelCompareVariationModelCompareVariationModelCompareVariationModelcompare_variation_model returns 2 (
H_MSG_TRUE)
if all parameters are
correct and if the internal threshold images have been generated
with prepare_variation_modelprepare_variation_modelPrepareVariationModelPrepareVariationModelPrepareVariationModelprepare_variation_model or
prepare_direct_variation_modelprepare_direct_variation_modelPrepareDirectVariationModelPrepareDirectVariationModelPrepareDirectVariationModelprepare_direct_variation_model.
可能的前置算子
prepare_variation_modelprepare_variation_modelPrepareVariationModelPrepareVariationModelPrepareVariationModelprepare_variation_model,
prepare_direct_variation_modelprepare_direct_variation_modelPrepareDirectVariationModelPrepareDirectVariationModelPrepareDirectVariationModelprepare_direct_variation_model
可能的后继算子
connectionconnectionConnectionConnectionConnectionconnection
替代算子
compare_ext_variation_modelcompare_ext_variation_modelCompareExtVariationModelCompareExtVariationModelCompareExtVariationModelcompare_ext_variation_model,
dyn_thresholddyn_thresholdDynThresholdDynThresholdDynThresholddyn_threshold
另见
get_thresh_images_variation_modelget_thresh_images_variation_modelGetThreshImagesVariationModelGetThreshImagesVariationModelGetThreshImagesVariationModelget_thresh_images_variation_model
模块
Matching