CN1635801A - A method for testing digital video camera equipment by using combined image - Google Patents
A method for testing digital video camera equipment by using combined image Download PDFInfo
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- CN1635801A CN1635801A CN 200310122936 CN200310122936A CN1635801A CN 1635801 A CN1635801 A CN 1635801A CN 200310122936 CN200310122936 CN 200310122936 CN 200310122936 A CN200310122936 A CN 200310122936A CN 1635801 A CN1635801 A CN 1635801A
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Abstract
A method for testing digital camera equipment utilizing composite image, which contains sampling and analyzing, which is characteristic of that the adopted test sample image is composite image, comparing with current technology, said invention do not need a lot of test work for testing different performance at different angle, reduces the test time and cost of manufacturing digital video camera.
Description
[technical field]
The relevant a kind of method of testing picture pick-up device of the present invention exactly, relates to a kind of method of utilizing combination image test digital photographing apparatus.
[background technology]
Along with the high speed development of electronic industry, the digital camera technology has obtained swift and violent development in the whole world.The development of portable digital picture pick-up device and the universal life that has made things convenient for people to a great extent.Yet in the design and manufacture process of digital photographing apparatus, test job is an indispensable link.In the prior art, test job generally will realize through following steps: (1) sampling, and promptly use digital photographing apparatus to take for the test sample book of appointment; (2) analyze, in electronic computer, use image measurement software, the static images data that picture pick-up device is taken are analyzed, and compared judgement, draw result by/failure from the angle of appointment.(3) take different test sample books to repeat above-mentioned two steps to different test indexs, obtain every analysis result respectively, and the result that will obtain carries out Macro or mass analysis according to predetermined standard, thereby obtain final testing result by/failure.
All adopt different test sample books to test because prior art is each, wasted the plenty of time, make test job too numerous and diverse at different test purposes.
[summary of the invention]
The objective of the invention is to overcome above-mentioned defective, a kind of method that can utilize combination image test digital photographing apparatus is provided.
The objective of the invention is to be achieved through the following technical solutions: a kind of method of utilizing combination image test digital photographing apparatus, comprise sampling and analytical procedure, it is characterized in that: the test sample image that sampling step adopted is a combination image.
The test sample image that is adopted in the described sampling step is made up of edge colour contamination test resolution, eight looks rod test resolution and 11 GTG test resolutions.
The test sample image that is adopted in the described sampling step is made up of edge colour contamination test resolution and eight looks rod test resolution.
The test sample image that is adopted in the described sampling step is made up of eight looks rod test resolution and 11 GTG test resolutions.
The test sample image that is adopted in the described sampling step is made up of edge colour contamination test resolution and 11 GTG test resolutions.
Compared to prior art, the present invention tests the performance quality of digital photographing apparatus by using combination image, thereby saved prior art and need carry out a large amount of test jobs to different performance index from different angle pins, make the time that whole test process spent significantly reduce, from the efficient of the design that improved digital photographing apparatus to a great extent and the work of manufacturing, and then the risk of digital photographing apparatus design and the cost of manufacturing have been reduced.
[description of drawings]
Fig. 1 is the original edge colour contamination test resolution without distortion.
Fig. 2 is the original eight looks rod test resolution without distortion.
Fig. 3 is the original 11 GTG test resolutions without distortion.
The combined test chart of Fig. 4 for combining by edge colour contamination test resolution, eight looks rod test resolution and 11 GTG test resolutions.
The combined test chart of Fig. 5 for combining by edge colour contamination test resolution and eight looks rod test resolution.
The combined test chart of Fig. 6 for combining by edge colour contamination test resolution and 11 GTG test resolutions.
The combined test chart of Fig. 7 for combining by eight looks rod test resolution and 11 GTG test resolutions.
Below with reference to accompanying drawing a kind of method of combination image test digital photographing apparatus of utilizing of the present invention is described.
[embodiment]
The present invention is a kind of to utilize the method for combination image test digital photographing apparatus to comprise the steps: that (1) use digital photographing apparatus that test resolution is sampled; (2) use test software carries out the analysis and the contrast of every performance index to the image data that is sampled.Wherein said sampling section is used for the test resolution sample is taken by digital photographing apparatus, finishes sampling.
Fig. 4 is the explanation accompanying drawing of first embodiment of the invention, and the test sample image that present embodiment adopted is made up of edge colour contamination test resolution, eight looks rod test resolution, 11 GTG test resolutions.In the present embodiment, digital photographing apparatus is one to have the colour screen handset of built-in camera head; Described graphical analysis and processing section are used for test resolution picture that the camera to mobile phone takes and carry out framing, color evenly and whether three tests of distortion of edge colour contamination with the algorithm of appointment and program.
Wherein colour contamination test resolution in edge uses penetrance data as shown in the table:
| Color | Penetrance (%) |
| In vain | ????83.2 |
| Black | ????2 |
Eight looks rod test resolution adopts color data as shown in the table:
| Color | Red | Green | Blue |
| In vain | ??243 | ??243 | ??242 |
| Yellow | ??231 | ??199 | ??31 |
| Blue or green | ??8 | ??133 | ??161 |
| Green | ??70 | ??148 | ??73 |
| Purple | ??187 | ??86 | ??149 |
| Red | ??175 | ??54 | ??60 |
| Black | ??52 | ??52 | ??52 |
| Blue | ??56 | ??61 | ??150 |
11 GTG test resolutions use penetrance data as shown in the table:
| Exponent number | Penetrance (%) |
| Positive direction 1/ opposite direction 11 | ????2 |
| Positive direction 2/ opposite direction 10 | ????9.8 |
| Positive direction 3/ opposite direction 9 | ????17.8 |
| Positive direction 4/ opposite direction 8 | ????26.3 |
| Positive direction 5/ opposite direction 7 | ????34.7 |
| Positive direction 6/ opposite direction 6 | ????42.7 |
| Positive direction 7/ opposite direction 5 | ????50.1 |
| Positive direction 8/ opposite direction 4 | ????58.9 |
| Positive direction 9/ opposite direction 3 | ????66.1 |
| Positive direction 10/ opposite direction 2 | ????74.1 |
| Positive direction 11/ opposite direction 1 | ????83.2 |
Below utilize the implementation process of first embodiment of the method for combination image test digital photographing apparatus for the present invention is a kind of.
In sampling step, at first carry out preparation, comprise that edge colour contamination test resolution, eight looks rod test resolution and the 11 GTG test resolutions with 1024 * 768 are out of shape combination respectively, make it to become final combined test chart.
Undeformed original edge colour contamination test resolution with its scaled down, and adopts the form continue in all directions that the edge colour contamination test resolution that four width of cloth have dwindled is combined as one 1024 * 256 edge colour contamination test resolution as shown in Figure 1; The original eight looks rod test resolution without distortion for as shown in Figure 2 adopts the method for cutting out that its sanction is gone 2/3rds of original height, remaining eight looks rod test resolution through distortion; Equally, for original 11 GTG test resolutions as shown in Figure 3, also adopt the method for cutting out that its sanction is gone 2/3rds of original height, it should be noted that from the upper and lower of original chart and cut out 1/3rd respectively, make the cut-off rule of two groups of reciprocal 11 GTG charts still remain on the position of central authorities; At last, by with the test resolution from top to bottom successively combination of three width of cloth through distortion, just obtain final combined test chart as shown in Figure 4, this chart still is 1024 * 768 sizes.After obtaining this width of cloth test resolution, just can proceed test job,, just no longer be described in detail at this because ensuing work belongs to the scope of prior art.
As shown in Figure 5, the test sample image that is adopted in the second embodiment of the invention is made up of edge colour contamination test resolution and eight looks rod test resolution.In the present embodiment, digital photographing apparatus is one to have the colour screen handset of built-in camera head; Described graphical analysis and processing section are used for test resolution picture that the camera to mobile phone takes and carry out color evenly and whether two tests of distortion of edge colour contamination with the algorithm of appointment and program.
Wherein colour contamination test resolution in edge uses penetrance data as shown in the table:
| Color | Penetrance (%) |
| In vain | ????83.2 |
| Black | ????2 |
Eight looks rod test resolution adopts color data as shown in the table:
| Color | Red | Green | Blue |
| In vain | ??243 | ??243 | ??242 |
| Yellow | ??231 | ??199 | ??31 |
| Blue or green | ??8 | ??133 | ??161 |
| Green | ??70 | ??148 | ??73 |
| Purple | ??187 | ??86 | ??149 |
| Red | ??175 | ??54 | ??60 |
| Black | ??52 | ??52 | ??52 |
| Blue | ??56 | ??61 | ??150 |
Below utilize the implementation process of second embodiment of the method for combination image test digital photographing apparatus for the present invention is a kind of.
In sampling step, at first carry out preparation, comprise that edge colour contamination test resolution and the eight looks rod test resolution with 1024 * 768 is out of shape combination respectively, make it to become final combined test chart.Undeformed original edge colour contamination test resolution with its scaled down, and adopts the form continue in all directions that the edge colour contamination test resolution that four width of cloth have dwindled is combined as one 1024 * 256 edge colour contamination test resolution as shown in Figure 1; The original eight looks rod test resolution without distortion for as shown in Figure 2 adopts the method for cutting out that its sanction is gone 1/3rd of original height, remaining eight looks rod test resolution through distortion; At last, by with the test resolution from top to bottom successively combination of two width of cloth through distortion, just obtain final combined test chart as shown in Figure 5, this chart still is 1024 * 768 sizes.After obtaining this width of cloth test resolution, just can proceed test job,, just no longer be described in detail at this because ensuing work belongs to the scope of prior art.
Above-described combined test chart can also show as shown in Figure 6 the combined test chart that combines by edge colour contamination test resolution and 11 GTG test resolutions and the forms such as combined test chart that combine by eight looks rod test resolution and 11 GTG test resolutions as shown in Figure 7, because the principle and the method for its realization are basic identical, give unnecessary details no longer one by one at this.
The present invention tests the performance quality of digital photographing apparatus by adopting through the combined test chart of deformation processing, thereby a large amount of reperformance test work that prior art is carried out at different performance index have been saved, make the time that whole test process spent significantly reduce, from the efficient of the design that improved digital photographing apparatus to a great extent and the work of manufacturing, and then the risk of digital photographing apparatus design and the cost of manufacturing have been reduced.
Claims (5)
1. a method of utilizing combination image test digital photographing apparatus comprises sampling and analytical procedure, and it is characterized in that: the test sample image that described sampling step adopted is a combination image.
2. the method for utilizing combination image test digital photographing apparatus as claimed in claim 1 is characterized in that: the test sample image that is adopted in the described sampling step is made up of edge colour contamination test resolution, eight looks rod test resolution and 11 GTG test resolutions.
3. the method for utilizing combination image test digital photographing apparatus as claimed in claim 1 is characterized in that: the test sample image that is adopted in the described sampling step is made up of edge colour contamination test resolution and eight looks rod test resolution.
4. the method for utilizing combination image test digital photographing apparatus as claimed in claim 1 is characterized in that: the test sample image that is adopted in the described sampling step is made up of eight looks rod test resolution and 11 GTG test resolutions.
5. the method for utilizing combination image test digital photographing apparatus as claimed in claim 1, it is characterized in that: the test sample image that is adopted in the described sampling step is made up of edge colour contamination test resolution and 11 GTG test resolutions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122936 CN1635801A (en) | 2003-12-29 | 2003-12-29 | A method for testing digital video camera equipment by using combined image |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122936 CN1635801A (en) | 2003-12-29 | 2003-12-29 | A method for testing digital video camera equipment by using combined image |
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| CN1635801A true CN1635801A (en) | 2005-07-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102098532A (en) * | 2010-12-20 | 2011-06-15 | 沈阳敏像科技有限公司 | Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof |
| US7990418B2 (en) | 2006-08-11 | 2011-08-02 | Hon Hai Precision Industry Co., Ltd. | Automated test measurement system and method therefor |
| CN103581660A (en) * | 2012-06-29 | 2014-02-12 | 苹果公司 | Line pair based full field sharpness test method and system |
| CN104422828A (en) * | 2013-08-29 | 2015-03-18 | 是德科技股份有限公司 | Method and Apparatus for Estimating the Noise Introduced by a Device |
-
2003
- 2003-12-29 CN CN 200310122936 patent/CN1635801A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7990418B2 (en) | 2006-08-11 | 2011-08-02 | Hon Hai Precision Industry Co., Ltd. | Automated test measurement system and method therefor |
| CN102098532A (en) * | 2010-12-20 | 2011-06-15 | 沈阳敏像科技有限公司 | Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof |
| CN102098532B (en) * | 2010-12-20 | 2012-10-17 | 沈阳敏像科技有限公司 | Gray scale test graphic card of digital mobile terminal video equipment and preparation technology thereof |
| CN103581660A (en) * | 2012-06-29 | 2014-02-12 | 苹果公司 | Line pair based full field sharpness test method and system |
| US9307230B2 (en) | 2012-06-29 | 2016-04-05 | Apple Inc. | Line pair based full field sharpness test |
| CN103581660B (en) * | 2012-06-29 | 2017-02-22 | 苹果公司 | Line pair based full field sharpness test method and system |
| CN104422828A (en) * | 2013-08-29 | 2015-03-18 | 是德科技股份有限公司 | Method and Apparatus for Estimating the Noise Introduced by a Device |
| US10120008B2 (en) | 2013-08-29 | 2018-11-06 | Keysight Technologies, Inc. | Method and apparatus for estimating the noise introduced by a device |
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