CN104181767A - Method and device for measuring focus - Google Patents
Method and device for measuring focus Download PDFInfo
- Publication number
- CN104181767A CN104181767A CN201410426163.6A CN201410426163A CN104181767A CN 104181767 A CN104181767 A CN 104181767A CN 201410426163 A CN201410426163 A CN 201410426163A CN 104181767 A CN104181767 A CN 104181767A
- Authority
- CN
- China
- Prior art keywords
- distance
- focal length
- test pattern
- filming apparatus
- default
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Studio Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a method and a device for measuring a focus and is used for improving the efficiency for testing a camera focus. The method comprises the steps that the device moves automatically when receiving a start order and detects the distance from a target image; whether the distance is a preset specified distance is judge; if the distance is the preset specified distance, the device stops moving and reaches the preset stop time.
Description
Technical field
The disclosure relates to communication and computing machine process field, relates in particular to method and the device of test focal length.
Background technology
Along with the development of electronic technology, camera has developed into the digital camera of selection from old-fashioned film camera of past, and much the mobile terminal such as mobile phone and panel computer also has camera function.Common lens can be realized 3 times of zooms, can have 3 focal ranges (or claiming burnt section).Better camera lens can be realized 5 times of zooms etc.Before product export, need the accuracy of focusing to test.
Inventor of the present disclosure finds, in correlation technique, when focusing is tested, is generally that camera (or mobile phone etc. is with equipment of camera function) is fixed on slide rail, and there is the chart of a test use in the dead ahead of slide rail.The position of the manual mobile camera of tester on slide rail, manually presses shutter key, takes the test pattern of test use.Tester is mobile camera repeatedly, repeatedly takes.Then the test pattern photographing is imported to contrast and the detection of carrying out focal length in computing machine.This process need tester participate in the overall process, and speed is slower.Therefore, how testing faster focal length, is problem demanding prompt solution.
Summary of the invention
For overcoming the problem existing in correlation technique, the disclosure provides a kind of method and device of testing focal length.
According to the first aspect of disclosure embodiment, a kind of method of testing focal length is provided, comprising:
Automatic moving when receiving initiation command, and the distance of detection and target image;
Judge whether described distance is default distance to a declared goal;
When described distance is default distance to a declared goal, stop moving and reaching the default duration that stops.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
Described when receiving initiation command automatic moving, comprising:
Direction along vertical target image when receiving initiation command moves forward and backward.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
Described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
Described method also comprises:
While stopping moving, to filming apparatus, send and take order, indication filming apparatus is taken described target image, acquisition test pattern.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
Described stopping when mobile, send and takes order to filming apparatus, comprising:
Local sensor detects while stopping moving, and to filming apparatus, sends and takes order.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
Described method also comprises:
Receive the described test pattern that filming apparatus sends;
Described test pattern is sent to server, and indication server detects focal length according to described test pattern;
Or
Receive the described test pattern that filming apparatus sends;
According to described test pattern, detect focal length.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
According to the second aspect of disclosure embodiment, a kind of device of testing focal length is provided, comprising:
Driving/detection module, for automatic moving when receiving initiation command, and the distance of detection and target image;
Distance Judgment module, for judging whether described distance is default distance to a declared goal;
Stop driver module, when being default distance to a declared goal in described distance, stop moving and reaching the default duration that stops.
In one embodiment, described driving/detection module moves forward and backward along the direction of vertical target image when receiving initiation command.
In one embodiment, described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
In one embodiment, described device also comprises:
The first sending module,, sends and takes order to filming apparatus when mobile for stopping, and indication filming apparatus is taken described target image, obtains test pattern.
In one embodiment, described the first sending module detects and stops when mobile, to filming apparatus, send and taking order at local sensor.
In one embodiment, described device also comprises:
Receiver module, the described test pattern sending for receiving filming apparatus;
The second sending module, for described test pattern is sent to server, indication server detects focal length according to described test pattern;
Or
Receiver module, the described test pattern sending for receiving filming apparatus;
Focal length detection module, for detecting focal length according to described test pattern.
According to the third aspect of disclosure embodiment, a kind of device of testing focal length is provided, comprising:
Rolling member;
Distance detector;
Control Component, for drive described rolling member automatic moving when receiving initiation command, and triggers distance detector and detects the distance with target image; When described distance is default distance to a declared goal, drive described rolling member to stop moving and reaching the default duration that stops.
According to the fourth aspect of disclosure embodiment, a kind of device of testing focal length is provided, comprising:
Processor;
Storer for storage of processor executable instruction;
Wherein, described processor is configured to:
Automatic moving when receiving initiation command, and the distance of detection and target image;
Judge whether described distance is default distance to a declared goal;
When described distance is default distance to a declared goal, stop moving and reaching the default duration that stops.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is herein merged in instructions and forms the part of this instructions, shows and meets embodiment of the present disclosure, and be used from and explain principle of the present disclosure with instructions one.
Fig. 1 is according to the schematic diagram of a kind of pick-up unit shown in an exemplary embodiment.
Fig. 2 is according to a kind of process flow diagram of testing the method for focal length shown in an exemplary embodiment.
Fig. 3 is according to the schematic diagram of a kind of pick-up unit shown in an exemplary embodiment.
Fig. 4 is according to a kind of process flow diagram of testing the method for focal length shown in an exemplary embodiment.
Fig. 5 is according to a kind of process flow diagram of testing the method for focal length shown in an exemplary embodiment.
Fig. 6 is according to a kind of block diagram of testing the device of focal length shown in an exemplary embodiment.
Fig. 7 is according to a kind of block diagram of testing the device of focal length shown in an exemplary embodiment.
Fig. 8 A is according to a kind of block diagram of testing the device of focal length shown in an exemplary embodiment.
Fig. 8 B is according to a kind of block diagram of testing the device of focal length shown in an exemplary embodiment.
Fig. 9 is according to the block diagram of a kind of device shown in an exemplary embodiment.
Embodiment
Here will at length to exemplary embodiment, describe, its example shown in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the disclosure.On the contrary, they are only the examples with apparatus and method as consistent in some aspects that described in detail in appended claims, of the present disclosure.
In correlation technique, when camera being carried out to focal length test, camera is fixed on slide rail, as shown in Figure 1.On slide rail, there is distance scale.Tester is the scale position to appointment by mobile camera moving, presses shutter key, obtains the test pattern of this scale position.Then tester's mobile camera again, to the scale position of next appointment, presses shutter key, repeats said process.After the scale position of each appointment is all taken, tester imports to magazine test pattern in computing machine.By computing machine, according to test pattern, carried out the detection of focal length accuracy.This test process needs tester's full name to participate in, and needs position and the shooting of manual adjustments camera, and testing efficiency is lower.For addressing this problem, the present embodiment provides a kind of device that can be used for testing focal length, and camera is fixed on this device.This device can be automatically moved to assigned address, and indicates camera to carry out automatic camera, thereby improves testing efficiency.
Fig. 2 is that as shown in Figure 2, the method can be realized by pick-up unit, comprises the following steps according to a kind of process flow diagram of testing the method for focal length shown in an exemplary embodiment:
In step 201, automatic moving when receiving initiation command, and the distance of detection and target image.
In step 202, judge whether described distance is default distance to a declared goal; When described distance is default distance to a declared goal, continue step 203, otherwise continue step 201, continue to move and detect distance.
In step 203, stop moving and reaching the default duration that stops.
The present embodiment provides a kind of pick-up unit that can be used for detecting focal length, and this pick-up unit as shown in Figure 3.Camera or the tested equipment with camera function are fixed on this pick-up unit.This pick-up unit can automatic moving, and as shown in Figure 3, this pick-up unit comprises wheel, can move on the ground; Or this pick-up unit comprises roller, can on slide rail, move.
When test, start this pick-up unit, be equivalent to this pick-up unit and receive initiation command.The mode that starts this pick-up unit has multiple, as clicked the start button on pick-up unit, or controls startup by telepilot.This telepilot can be special telepilot, can be also the equipment such as mobile terminal.After pick-up unit starts according to preset direction automatic moving to assigned address.For example, need to detect 30cm apart from time focal length, the initial position of pick-up unit is 50cm.Pick-up unit is towards target image automatic moving.Pick-up unit can be determined moving direction voluntarily, as, current location distance objective image 50cm, assigned address is 30cm, assigned address is less than current location, determines to the direction near target image and moves.
In moving process, the distance of continuous detection and target image, judges whether this distance reaches 30cm.When reaching 30cm, stop mobile.Now can control filming apparatus destination object is taken pictures, obtain test pattern.This pick-up unit reaches default while stopping duration (as 2 minutes) in stop, continues to move to second assigned address, until arrive each assigned address.
The present embodiment is in the process of focal length of test filming apparatus, and pick-up unit can automated movement, does not need artificial participation, effectively improves testing efficiency.
In one embodiment, the assigned address in pick-up unit can produce at random, also can be pre-configured.Can directly on pick-up unit, input assigned address, also can assigned address be transferred to pick-up unit by telepilot.Assigned address can be arranged in order, as 70cm, 50cm, 30cm; Also can randomly arrange, as 70cm, 30cm, 50cm.
In one embodiment, step 101 can have multiple implementation, as mode A.
Mode A: the direction along vertical target image when receiving initiation command moves forward and backward.Certainly, except mode A, pick-up unit can curve movement.Pick-up unit traveling priority in the direction of vertical target image can shorten displacement, saves traveling time, improves testing efficiency.
In test process, can draw on the ground the line (ground can not be black certainly) of a black, pick-up unit can identify black line, and moves along black line.The mode of identification black line has multiple, as improved camera, carries out image recognition.Or black line is realized by black belt, by modes such as infrared inductions, identify.
In one embodiment, described default distance to a declared goal (being also assigned address) and the described default duration that stops arrange by mobile terminal.Can be using mobile terminal as telepilot in the present embodiment, tester can be by mobile terminal by distance to a declared goal with stop duration and send to pick-up unit, realize Long-distance Control.Make tester can arrive test site, saved the test duration.
In the present embodiment, pick-up unit can be by wireless mode and communication of mobile terminal.Wireless mode comprises bluetooth, WiFi (Wireless Fidelity) etc.
In one embodiment, described method also comprises: step B: while stopping moving, to filming apparatus, send and take order, indication filming apparatus is taken described target image, acquisition test pattern.
In the present embodiment pick-up unit can with filming apparatus wired connection or wireless connections (as bluetooth, WiFi and NFC etc.).Pick-up unit sends and takes order to filming apparatus.Filming apparatus is taken photographic subjects image under the triggering of ordering at this, thereby obtains test pattern.Do not need like this manual operation filming apparatus to take, can shorten shooting time, and pick-up unit can stop the shorter time, as 2 seconds.Which can significantly shorten the test used time.
In one embodiment, step B can also be embodied as step B1, and in step B1, local sensor detects while stopping moving, and to filming apparatus, sends and takes order.Pick-up unit comprises the sensor for detection of motion state, and this sensor stops when mobile, trigger to filming apparatus and sending and take order detecting.
Or in one embodiment, filming apparatus comprises the sensor for detection of motion state.This sensor detects pick-up unit to be stopped when mobile, automatically taking pictures.
In one embodiment, filming apparatus obtains after test pattern, whether accurately just can detect focal length according to test pattern.This process can have multiple implementation, as mode C and mode D.
Mode C:
Receive the described test pattern that filming apparatus sends.
Described test pattern is sent to server, and indication server detects focal length according to described test pattern.
In the present embodiment, filming apparatus sends to pick-up unit by the test pattern of acquisition.Pick-up unit sends it to server (or claiming high in the clouds) after obtaining test pattern.By server, according to described test pattern, detect focal length.This process is convenient to tester and is carried out Long-distance Control.Remote pick-up unit and filming apparatus obtain test pattern.Tester can carry out focal length detection to test pattern by server.Whole test process does not need tester to arrive test site, has saved the test duration.
Mode D:
Receive the described test pattern that filming apparatus sends.
According to described test pattern, detect focal length.
In the present embodiment, filming apparatus sends to pick-up unit by the test pattern of acquisition.Pick-up unit can detect focal length according to described test pattern.Which does not need remote transmission test pattern.
Mode C and mode D also can have filming apparatus to realize.Filming apparatus sends to server by test pattern, or filming apparatus detects focal length according to test pattern.
In the present embodiment, distance to a declared goal is consistent with the focal length of filming apparatus.By detecting, whether test pattern is clear just can determine that whether focal length is accurate.For example, the focal length of filming apparatus is 18cm, and filming apparatus is taken and the test pattern of acquisition at distance objective image 18cm place, if test pattern is clear, determines that focal length is accurate, otherwise determines that focal length is inaccurate.
Below by several embodiment, introduce in detail the implementation procedure of test focal length.
Fig. 4 is according to a kind of process flow diagram of testing the method for focal length shown in an exemplary embodiment, and as shown in Figure 4, the method can be realized by pick-up unit and filming apparatus, comprises the following steps:
In step 401, pick-up unit moves to distance to a declared goal when receiving initiation command.
In step 402, pick-up unit detects the distance with target image in moving process.
In step 403, whether the distance that pick-up unit judgement detects is distance to a declared goal.When arriving distance to a declared goal, continue step 404, otherwise continue step 401.
In step 404, pick-up unit stops mobile, to filming apparatus, sends and takes order.
In step 405, filming apparatus is taken pictures, and obtains test pattern.
In step 406, filming apparatus sends to pick-up unit by test pattern.
In step 407, pick-up unit is determined and is continued step 401, until arrive all distance to a declared goal by next distance to a declared goal stopping meeting while stopping duration.
In step 408, pick-up unit carries out focal length detection after obtaining the test pattern that each distance to a declared goal is corresponding.
In the present embodiment, by pick-up unit, trigger filming apparatus and take pictures, and carry out focal length detection by pick-up unit.Whole test process mainly contains pick-up unit and realizes, and when having improved testing efficiency, has reduced the change to miscellaneous equipment, is easy to realize.
Fig. 5 is according to a kind of process flow diagram of testing the method for focal length shown in an exemplary embodiment, and as shown in Figure 5, the method can be realized by pick-up unit and filming apparatus, comprises the following steps:
In step 501, pick-up unit moves to distance to a declared goal when receiving initiation command.
In step 502, pick-up unit detects the distance with target image in moving process.
In step 503, whether the distance that pick-up unit judgement detects is distance to a declared goal.When arriving distance to a declared goal, continue step 504, otherwise continue step 501.
In step 504, filming apparatus detects pick-up unit and stops mobile.
In step 505, filming apparatus is taken pictures, and obtains test pattern.
In step 506, filming apparatus sends to pick-up unit by test pattern.
In step 507, pick-up unit is determined and is continued step 501, until arrive all distance to a declared goal by next distance to a declared goal stopping meeting while stopping duration.
In step 508, pick-up unit sends to server by obtaining test pattern corresponding to each distance to a declared goal, and indication server carries out focal length detection.
In the present embodiment, by pick-up unit, moved forward and backward, drive filming apparatus to arrive each distance to a declared goal.Filming apparatus detects pick-up unit voluntarily to be stopped, and triggering is taken pictures.By server, carry out focal length detection.Be convenient to tester's Remote, do not need to be in the action.Saved the test duration.
By above introduction, understood the implementation procedure of test focal length, this process is by mobile terminal and computer realization, is introduced respectively below for inner structure and the function of two equipment.
Fig. 6 is according to a kind of device schematic diagram of testing focal length shown in an exemplary embodiment.With reference to Fig. 6, this device comprises: driving/detection module 601, Distance Judgment module 602 and stop driver module 603.
Driving/detection module 601, for automatic moving when receiving initiation command, and the distance of detection and target image.
Distance Judgment module 602, for judging whether described distance is default distance to a declared goal.
Stop driver module 603, when being default distance to a declared goal in described distance, stop moving and reaching the default duration that stops.
In one embodiment, described driving/detection module 601 moves forward and backward along the direction of vertical target image when receiving initiation command.
In one embodiment, described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
In one embodiment, as shown in Figure 7, described device also comprises: the first sending module 604.
The first sending module 604,, sends and takes order to filming apparatus when mobile for stopping, and indication filming apparatus is taken described target image, obtains test pattern.
In one embodiment, described the first sending module 604 detects and stops when mobile, to filming apparatus, send and taking order at local sensor.
In one embodiment, as shown in Figure 8 A and 8 B, described device also comprises: receiver module 605 and the second sending module 606, or comprise: receiver module 605 and focal length detection module 607.
Receiver module 605, the described test pattern sending for receiving filming apparatus.
The second sending module 606, for described test pattern is sent to server, indication server detects focal length according to described test pattern.
Receiver module 605, the described test pattern sending for receiving filming apparatus.
Focal length detection module 607, for detecting focal length according to described test pattern.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment of relevant the method, will not elaborate explanation herein.
Fig. 9 is according to a kind of device schematic diagram of testing focal length shown in an exemplary embodiment.With reference to Fig. 9, this device comprises: rolling member 901, distance detector 902 and Control Component 903.
Rolling member 901; This rolling member can be that wheel, roller etc. are convenient to mobile parts.
Distance detector 902;
Control Component 903, for drive described rolling member automatic moving when receiving initiation command, and triggers distance detector and detects the distance with target image; When described distance is default distance to a declared goal, drive described rolling member to stop moving and reaching the default duration that stops.Control Component comprise processor, storer and and other parts or assembly between link.
This device can also comprise communications component, for communicating with filming apparatus and server.
A device of testing focal length, comprising:
Processor;
Storer for storage of processor executable instruction;
Wherein, described processor is configured to:
Automatic moving when receiving initiation command, and the distance of detection and target image;
Judge whether described distance is default distance to a declared goal;
When described distance is default distance to a declared goal, stop moving and reaching the default duration that stops.
Described processor can also be configured to:
Described when receiving initiation command automatic moving, comprising:
Direction along vertical target image when receiving initiation command moves forward and backward.
Described processor can also be configured to:
Described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
Described processor can also be configured to:
Described method also comprises:
While stopping moving, to filming apparatus, send and take order, indication filming apparatus is taken described target image, acquisition test pattern.
Described processor can also be configured to:
Described stopping when mobile, send and takes order to filming apparatus, comprising:
Local sensor detects while stopping moving, and to filming apparatus, sends and takes order.
Described processor can also be configured to:
Described method also comprises:
Receive the described test pattern that filming apparatus sends;
Described test pattern is sent to server, and indication server detects focal length according to described test pattern;
Or
Receive the described test pattern that filming apparatus sends;
According to described test pattern, detect focal length.
A non-provisional computer-readable recording medium, when the instruction in described storage medium is carried out by the processor of mobile terminal, makes mobile terminal can carry out a kind of method of testing focal length, and described method comprises:
Automatic moving when receiving initiation command, and the distance of detection and target image;
Judge whether described distance is default distance to a declared goal;
When described distance is default distance to a declared goal, stop moving and reaching the default duration that stops.
Instruction in described storage medium can also comprise:
Described when receiving initiation command automatic moving, comprising:
Direction along vertical target image when receiving initiation command moves forward and backward.
Instruction in described storage medium can also comprise:
Described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
Instruction in described storage medium can also comprise:
Described method also comprises:
While stopping moving, to filming apparatus, send and take order, indication filming apparatus is taken described target image, acquisition test pattern.
Instruction in described storage medium can also comprise:
Described stopping when mobile, send and takes order to filming apparatus, comprising:
Local sensor detects while stopping moving, and to filming apparatus, sends and takes order.
Instruction in described storage medium can also comprise:
Described method also comprises:
Receive the described test pattern that filming apparatus sends;
Described test pattern is sent to server, and indication server detects focal length according to described test pattern;
Or
Receive the described test pattern that filming apparatus sends;
According to described test pattern, detect focal length.
Those skilled in the art, considering instructions and putting into practice after invention disclosed herein, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised undocumented common practise or the conventional techniques means in the art of the disclosure.Instructions and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various modifications and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (14)
1. a method of testing focal length, is characterized in that, comprising:
Automatic moving when receiving initiation command, and the distance of detection and target image;
Judge whether described distance is default distance to a declared goal;
When described distance is default distance to a declared goal, stop moving and reaching the default duration that stops.
2. the method for test focal length according to claim 1, is characterized in that, described when receiving initiation command automatic moving, comprising:
Direction along vertical target image when receiving initiation command moves forward and backward.
3. the method for test focal length according to claim 1, is characterized in that, described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
4. the method for test focal length according to claim 1, is characterized in that, described method also comprises:
While stopping moving, to filming apparatus, send and take order, indication filming apparatus is taken described target image, acquisition test pattern.
5. the method for test focal length according to claim 4, is characterized in that, described in stop when mobile, to filming apparatus, send and taking order, comprising:
Local sensor detects while stopping moving, and to filming apparatus, sends and takes order.
6. the method for test focal length according to claim 1, is characterized in that, described method also comprises:
Receive the described test pattern that filming apparatus sends;
Described test pattern is sent to server, and indication server detects focal length according to described test pattern;
Or
Receive the described test pattern that filming apparatus sends;
According to described test pattern, detect focal length.
7. a device of testing focal length, is characterized in that, comprising:
Driving/detection module, for automatic moving when receiving initiation command, and the distance of detection and target image;
Distance Judgment module, for judging whether described distance is default distance to a declared goal;
Stop driver module, when being default distance to a declared goal in described distance, stop moving and reaching the default duration that stops.
8. the device of test focal length according to claim 7, is characterized in that, described driving/detection module moves forward and backward along the direction of vertical target image when receiving initiation command.
9. the device of test focal length according to claim 7, is characterized in that, described default distance to a declared goal and the described default duration that stops arrange by mobile terminal.
10. the device of test focal length according to claim 7, is characterized in that, described device also comprises:
The first sending module,, sends and takes order to filming apparatus when mobile for stopping, and indication filming apparatus is taken described target image, obtains test pattern.
The device of 11. test focal lengths according to claim 10, is characterized in that, described the first sending module detects and stops when mobile, to filming apparatus, send and taking order at local sensor.
The device of 12. test focal lengths according to claim 7, is characterized in that, described device also comprises:
Receiver module, the described test pattern sending for receiving filming apparatus;
The second sending module, for described test pattern is sent to server, indication server detects focal length according to described test pattern;
Or
Receiver module, the described test pattern sending for receiving filming apparatus;
Focal length detection module, for detecting focal length according to described test pattern.
13. 1 kinds of devices of testing focal length, is characterized in that, comprising:
Rolling member;
Distance detector;
Control Component, for drive described rolling member automatic moving when receiving initiation command, and triggers distance detector and detects the distance with target image; When described distance is default distance to a declared goal, drive described rolling member to stop moving and reaching the default duration that stops.
14. 1 kinds of devices of testing focal length, is characterized in that, comprising:
Processor;
Storer for storage of processor executable instruction;
Wherein, described processor is configured to:
Automatic moving when receiving initiation command, and the distance of detection and target image;
Judge whether described distance is default distance to a declared goal;
When described distance is default distance to a declared goal, stop moving and reaching the default duration that stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426163.6A CN104181767B (en) | 2014-08-26 | 2014-08-26 | The method and device of test focal length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426163.6A CN104181767B (en) | 2014-08-26 | 2014-08-26 | The method and device of test focal length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104181767A true CN104181767A (en) | 2014-12-03 |
| CN104181767B CN104181767B (en) | 2017-03-08 |
Family
ID=51962924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410426163.6A Active CN104181767B (en) | 2014-08-26 | 2014-08-26 | The method and device of test focal length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104181767B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1642434A1 (en) * | 1989-04-03 | 1991-04-15 | Предприятие П/Я Г-4046 | Device for testing photographic camera autofocusing system |
| JP2003215442A (en) * | 2002-01-25 | 2003-07-30 | Canon Inc | Multipoint range-finding device |
| CN101278190A (en) * | 2005-09-29 | 2008-10-01 | 奥林巴斯株式会社 | Focal position determining method, focal position determining apparatus, feeble light detecting apparatus and feeble light detecting method |
| CN102566005A (en) * | 2010-12-16 | 2012-07-11 | 佳能株式会社 | Focus detecting apparatus and control method thereof |
-
2014
- 2014-08-26 CN CN201410426163.6A patent/CN104181767B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1642434A1 (en) * | 1989-04-03 | 1991-04-15 | Предприятие П/Я Г-4046 | Device for testing photographic camera autofocusing system |
| JP2003215442A (en) * | 2002-01-25 | 2003-07-30 | Canon Inc | Multipoint range-finding device |
| CN101278190A (en) * | 2005-09-29 | 2008-10-01 | 奥林巴斯株式会社 | Focal position determining method, focal position determining apparatus, feeble light detecting apparatus and feeble light detecting method |
| CN102566005A (en) * | 2010-12-16 | 2012-07-11 | 佳能株式会社 | Focus detecting apparatus and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104181767B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2953347A1 (en) | Photographing control method and apparatus | |
| CN108028887B (en) | Photographing focusing method, device and equipment for terminal | |
| CN108600612B (en) | Photographing method and mobile terminal | |
| CN108833857A (en) | A kind of shelf monitor method, system and shelf | |
| CN105204269B (en) | A kind of laser assisted focusing method and filming apparatus | |
| KR101201944B1 (en) | Parking management system and its method | |
| RU2017103141A (en) | Method and device for setting a photography parameter | |
| RU2015119032A (en) | METHOD FOR PROCESSING LOCATION DATA | |
| CN105629628A (en) | Automatic focusing method and device | |
| CN105227835A (en) | A kind of assisted focused method and apparatus | |
| KR20100041926A (en) | System and method for location confirmation service, and method for creating location information thereof | |
| CN106813669B (en) | Motion information correction method and device | |
| CN106292625B (en) | Vehicle fault online detection system and method | |
| CN110264765A (en) | Detection method, device, computer equipment and the storage medium of vehicle parking state | |
| US10724860B2 (en) | Surveying device and survey system | |
| US8643726B2 (en) | Test system and method for testing camera module having voice coil motor | |
| US7446810B2 (en) | Image capturing apparatus and an image capturing method | |
| CN105578053A (en) | Automatic focusing method, automatic focusing device, selfie stick, mobile terminal and self-timer system | |
| CN106370883B (en) | Speed measurement method and terminal | |
| CN104181767A (en) | Method and device for measuring focus | |
| CN115407355B (en) | Library position map verification method and device and terminal equipment | |
| KR20180032886A (en) | Apparatus and Method for Diagnosing PCB using PIN Detection based on Vision System | |
| JP6987033B2 (en) | Shooting timing control device, imaging system and imaging method | |
| CN110657801B (en) | Positioning method and device and electronic equipment | |
| KR101763294B1 (en) | Shooting Control System and Method Using Thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |